Pteridomania
Encyclopedia
Pteridomania or Fern-Fever was a craze
Social mania
Social manias are mass movements which periodically sweep through society, sometimes on a world-wide basis. They are characterized by an outpouring of enthusiasm, mass involvement and millennialist goals. Social manias are contagious social epidemics, and as such they should be differentiated from...

 for fern
Fern
A fern is any one of a group of about 12,000 species of plants belonging to the botanical group known as Pteridophyta. Unlike mosses, they have xylem and phloem . They have stems, leaves, and roots like other vascular plants...

s. Victorian decorative arts
Victorian decorative arts
Victorian decorative arts refers to the style of decorative arts during the Victorian era. The Victorian era is known for its eclectic revival and interpretation of historic styles and the introduction of cross-cultural influences from the middle east and Asia in furniture, fittings, and Interior...

 presented the fern motif in pottery, glass, metal, textiles, wood, printed paper, and sculpture, with ferns "appearing on everything from christening presents to gravestones and memorials."

Description

Pteridomania, meaning Fern Madness or Fern Craze, a compound of Pteridophytes and mania
Mania
Mania, the presence of which is a criterion for certain psychiatric diagnoses, is a state of abnormally elevated or irritable mood, arousal, and/ or energy levels. In a sense, it is the opposite of depression...

, was coined in 1855 by Charles Kingsley
Charles Kingsley
Charles Kingsley was an English priest of the Church of England, university professor, historian and novelist, particularly associated with the West Country and northeast Hampshire.-Life and character:...

 in his book Glaucus, or the Wonders of the Shore:


Your daughters, perhaps, have been seized with the prevailing 'Pteridomania'...and wrangling over unpronounceable names of species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 (which seem different in each new Fern-book that they buy)...and yet you cannot deny that they find enjoyment in it, and are more active, more cheerful, more self-forgetful over it, than they would have been over novel
Novel
A novel is a book of long narrative in literary prose. The genre has historical roots both in the fields of the medieval and early modern romance and in the tradition of the novella. The latter supplied the present generic term in the late 18th century....

s and gossip
Gossip
Gossip is idle talk or rumour, especially about the personal or private affairs of others, It is one of the oldest and most common means of sharing facts and views, but also has a reputation for the introduction of errors and variations into the information transmitted...

, crochet
Crochet
Crochet is a process of creating fabric from yarn, thread, or other material strands using a crochet hook. The word is derived from the French word "crochet", meaning hook. Hooks can be made of materials such as metals, woods or plastic and are commercially manufactured as well as produced by...

 and Berlin-wool
Berlin wool work
Berlin wool work is a style of needlepoint. Typically it is executed with wool yarn on canvas. It is usually worked in a single stitch, such as cross stitch or tent stitch although Beeton's book of Needlework describes 15 different stitches for use in Berlin work...

.


According to one author:

Although the main period of popularity of ferns as a decorative motif extended from the 1850s until the 1890s, the interest in ferns had really begun in the late 1830s when the British countryside attracted increasing numbers of amateur and professional botanists
Botany
Botany, plant science, or plant biology is a branch of biology that involves the scientific study of plant life. Traditionally, botany also included the study of fungi, algae and viruses...

. New discoveries were published in periodicals, particularly The Phytologist: a popular botanical miscellany, which first appeared in 1844. Ferns proved to be a particularly fruitful group of plants for new records because they had been studied less than flowering plants. Also, ferns were most diverse and abundant in the wilder, wetter, western and northern parts of Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

 which were becoming more accessible through the development of better roads and the railway.

Collection and cultivation

The collection of ferns drew enthusiasts from different social classes and it is said that "even the farm labourer or miner could have a collection of British ferns which he had collected in the wild and a common interest sometimes brought people of very different social backgrounds together."

For some a fashionable hobby
Hobby
A hobby is a regular activity or interest that is undertaken for pleasure, typically done during one's leisure time.- Etymology :A hobby horse is a wooden or wickerwork toy made to be ridden just like a real horse...

 and for others a more serious scientific pursuit, fern collecting became commercialized with the sale of merchandise for fern collectors. Equipped with The Ferns of Great Britain and Ireland
The Ferns of Great Britain and Ireland
The Ferns of Great Britain and Ireland was a book published in 1855 that featured 51 plates of nature printing by Henry Bradbury.-Description:The text was a scientific description of all the varieties of Ferns found in the British Isles...

or one of the many other books sold for fern identification, collectors sought out ferns from dealers and in their native habitats across the British Isles and beyond. Frond
Frond
The term frond refers to a large, divided leaf. In both common usage and botanical nomenclature, the leaves of ferns are referred to as fronds and some botanists restrict the term to this group...

s were pressed in albums for display in homes. Live plants were also collected for cultivation in gardens and indoors. Nurseries
Nursery (horticulture)
A nursery is a place where plants are propagated and grown to usable size. They include retail nurseries which sell to the general public, wholesale nurseries which sell only to businesses such as other nurseries and to commercial gardeners, and private nurseries which supply the needs of...

 provided not only native species but exotic species from the Americas and other parts of the world.

The Wardian case
Wardian case
The Wardian case, was an early type of sealed protective container for plants, which found great use in the 19th Century in protecting foreign plants imported to Europe from overseas, the great majority of which had previously died from exposure during long sea journeys, frustrating the many...

, a forerunner of the modern terrarium, was invented about 1829 by a physician to protect his ferns from the air pollution of 19th century London. Wardian cases soon became features of stylish drawing rooms in Western Europe and the United States and helped spread the fern craze and the craze for growing orchids that followed. Ferns were also cultivated in fern houses (greenhouse
Greenhouse
A greenhouse is a building in which plants are grown. These structures range in size from small sheds to very large buildings...

s devoted to ferns) and in outdoor ferneries
Fernery
A fernery is a specialized garden for the cultivation and display of ferns.In many countries, ferneries are indoors or at least sheltered or kept in a shadehouse to provide a moist environment, filtered light and protection from frost and other extremes, some ferns native to arid regions require...

.

Besides approximately seventy native British species and natural hybrids of ferns, horticulturalists of this era were very interested in so-called monstrosities - odd variants of wild species. From these they selected hundreds of varieties for cultivation. Polystichum setiferum
Polystichum setiferum
Polystichum setiferum is an evergreen or semi-evergreen fern native to southern and western Europe.-Distribution:...

, Athyrium filix-femina
Athyrium filix-femina
Athyrium filix-femina is a large, feathery species of fern native throughout most of the temperate Northern Hemisphere, where it is often abundant in damp, shady woodland environments and is often grown for decoration.The plant is caespitose Athyrium filix-femina (Lady Fern or Common Lady-fern)...

, and Asplenium scolopendrium, for example, each yielded about three hundred different varieties.

Decorative art

Fern motifs first became conspicuous at the 1862 International Exhibition
1862 International Exhibition
The International of 1862, or Great London Exposition, was a world's fair. It was held from 1 May to 1 November 1862, beside the gardens of the Royal Horticultural Society, South Kensington, London, England, on a site that now houses museums including the Natural History Museum and the Science...

 and remained popular "as fond symbol of pleasurable pursuits" until the turn of the century.

As fern fronds are somewhat flat they were used for decoration in ways that many other plants could not be. They were glued into collectors' albums, affixed to three dimensional objects, used as stencil
Stencil
A stencil is a thin sheet of material, such as paper, plastic, or metal, with letters or a design cut from it, used to produce the letters or design on an underlying surface by applying pigment through the cut-out holes in the material. The key advantage of a stencil is that it can be reused to...

s for "spatter-work", inked and pressed into surfaces for nature printing
Nature printing
Nature printing is a printing process, developed in the 18th century, that uses the plants, animals, rocks and other natural subjects to produce an image...

, and so forth.

Fern pottery patterns were introduced by Wedgwood
Wedgwood
Wedgwood, strictly speaking Josiah Wedgwood and Sons, is a pottery firm owned by KPS Capital Partners, a private equity company based in New York City, USA. Wedgwood was founded on May 1, 1759 by Josiah Wedgwood and in 1987 merged with Waterford Crystal to create Waterford Wedgwood, an...

, Mintons Ltd, Royal Worcester
Royal Worcester
Royal Worcester is believed to be the oldest remaining English pottery brand still in existence today.-Overview:Royal Worcester is a British brand known for its history, provenance and classically English collections of porcelain...

, Ridgeway, George Jones, and others, with various shapes and styles of decoration including majolica
Victorian majolica
Victorian Majolica is earthenware pottery made in 19th century Britain, Europe and the USA with molded surfaces and colorful clear lead glazes.-History:...

. A memorial to Sir William Jackson Hooker, Director of the Royal Botanic Gardens, Kew
Royal Botanic Gardens, Kew
The Royal Botanic Gardens, Kew, usually referred to as Kew Gardens, is 121 hectares of gardens and botanical glasshouses between Richmond and Kew in southwest London, England. "The Royal Botanic Gardens, Kew" and the brand name "Kew" are also used as umbrella terms for the institution that runs...

 was commissioned from Josiah Wedgwood and Sons and erected in Kew Church in 1867 with jasperware
Jasperware
Jasperware, or jasper ware, is a type of stoneware first developed by Josiah Wedgwood, although some authorities have described it as a type of porcelain...

 panels with applied sprigs representing exotic ferns. A copy was presented to what is now the Victoria and Albert Museum
Victoria and Albert Museum
The Victoria and Albert Museum , set in the Brompton district of The Royal Borough of Kensington and Chelsea, London, England, is the world's largest museum of decorative arts and design, housing a permanent collection of over 4.5 million objects...

 where it may still be seen.

While realistic depictions of ferns were especially favored in the decorative arts of this period, "Even when the representation was stylised such as was common on engraved glass and metal, the effect was still recognisably 'ferny'."

Other species

Selaginella and Lycopodiopsida
Lycopodiopsida
Lycopodiopsida is a class of plants often loosely grouped as the fern allies. Traditionally the group included not only the clubmosses and firmosses, but also the spikemosses and the quillworts...

and other fern ally
Fern ally
Fern allies are a diverse group of seedless vascular plants that are not true ferns. Like ferns, a fern ally disperses by shedding spores to initiate an alternation of generations.-Classification:...

 plants were also collected and represented on decorative objects.

Effects on native populations

The zeal of Victorian collectors led to significant reductions in the wild populations of a number of the rarer species. Oblong Woodsia
Woodsia ilvensis
Woodsia ilvensis, commonly known as Oblong Woodsia, is a fern found in North America and northern Eurasia. Also known as Rusty Woodsia or Rusty Cliff Fern, it is typically found on sunny, exposed cliffs and rocky slopes and on thin, dry, acidic soils.-Distribution:Its distribution is circumpolar...

 came under severe threat in Scotland, especially in the Moffat
Moffat
Moffat is a former burgh and spa town in Dumfries and Galloway, Scotland, lying on the River Annan, with a population of around 2,500. The most notable building in the town is the Moffat House Hotel, designed by John Adam...

 Hills. This area once had the most extensive UK populations of the species but there now remain only a few small colonies whose future remains under threat. The related Alpine Woodsia
Woodsia alpina
Woodsia alpina, commonly known as Alpine Woodsia, is a fern found in northern latitudes in North America and Eurasia. Also known as Northern Woodsia or Alpine Cliff Fern, it is typically found in crevices, scree slopes and cliffs containing slate and calcareous rocks, especially...

 suffered a similar fate, although the risks were not all to the plants. John Sadler, later a curator of the Royal Botanic Garden Edinburgh
Royal Botanic Garden Edinburgh
The Royal Botanic Garden Edinburgh is a scientific centre for the study of plants, their diversity and conservation, as well as a popular tourist attraction. Originally founded in 1670 as a physic garden to grow medicinal plants, today it occupies four sites across Scotland — Edinburgh,...

, nearly lost his life obtaining a fern tuft on a cliff near Moffat, and a botanical guide called William Williams died collecting Alpine Woodsia in Wales in 1861. His body was found at the foot of the cliff where Edward Lhwyd had first collected the species nearly two centuries earlier.

The Killarney Fern
Trichomanes speciosum
Trichomanes speciosum commonly known as Killarney Fern is a species of fern found widely in Western Europe. It is most abundant in Ireland, the United Kingdom, Brittany and Canary Islands, Madeira and the Azores, but is also found in other locations including France, Spain, Portugal and Italy.The...

, considered to be one of Europe's most threatened plants and once found on Arran
Isle of Arran
Arran or the Isle of Arran is the largest island in the Firth of Clyde, Scotland, and with an area of is the seventh largest Scottish island. It is in the unitary council area of North Ayrshire and the 2001 census had a resident population of 5,058...

, was thought to be extinct in Scotland due to the activities of 19th century collectors, but the species has since been discovered on Skye
Skye
Skye or the Isle of Skye is the largest and most northerly island in the Inner Hebrides of Scotland. The island's peninsulas radiate out from a mountainous centre dominated by the Cuillin hills...

 in its gametophyte form. Dickie's Bladder-fern
Cystopteris dickieana
Cystopteris dickieana commonly known as Dickie's Bladder-fern is a fern with a wide distribution in the Northern Hemisphere. There is debate amongst botanists as to whether it is a species in its own right or a variant of C. fragilis....

, which was discovered growing on base-rich rocks in a sea cave on the coast of Kincardineshire
Kincardineshire
The County of Kincardine, also known as Kincardineshire or The Mearns was a local government county on the coast of northeast Scotland...

 in 1838. By 1860 the original colony seemed to have been extirpated, although the species has recovered and today there is a population of more than 100 plants there, where it grows in a roof fissure.

Outside the United Kingdom

While interest in ferns may have increased to some degree outside the United Kingdom, it did not do so to the same extent anywhere else. According to someone at the Rockland Botanical Garden in Mertztown, Pennsylvania:


The craze seemed to have passed America by – most likely because these same species in America are essentially free of these "freaky" abnormal forms. It may also be due to the fact the American botanists have been for the most part more interested in unraveling the complexities of the species involved in the fern complexes such as Asplenium
Asplenium
Asplenium is a genus of about 700 species of ferns, often treated as the only genus in the family Aspleniaceae, though other authors consider Hymenasplenium separate, based on molecular phylogenetic analysis of DNA sequences, a different chromosome count, and structural differences in the rhizomes...

, Dryopteris
Dryopteris
Dryopteris , commonly called wood ferns, male ferns, and buckler ferns, is a genus of about 250 species of ferns with distribution in the temperate Northern Hemisphere, with the highest species diversity in eastern Asia. Many of the species have stout, slowly creeping rootstocks that form a crown,...

, and Botrychium.


Nevertheless, the American Fern Society
American Fern Society
The American Fern Society was founded in 1893. Today, it has more than 1000 members around the world, with various local chapters.Willard N. Clute was the founder of the society, originally establishing it as the "Linnaean Fern Chapter."...

 was established in 1893 and now has over 900 members worldwide. The society is based at the Indiana University
Indiana University
Indiana University is a multi-campus public university system in the state of Indiana, United States. Indiana University has a combined student body of more than 100,000 students, including approximately 42,000 students enrolled at the Indiana University Bloomington campus and approximately 37,000...

 and counts itself as "one of the largest international fern clubs in the world." William Ralph Maxon
William Ralph Maxon
William Ralph Maxon, was an American botanist and pteridologist. He graduated from Syracuse University with a Ph.B. in 1898, and spent about one year at Columbia University doing post-graduate work on ferns with Lucien Marcus Underwood...

 served repeatedly as the society president .

The Dorrance H. Hamilton Fernery at the Morris Arboretum
Morris Arboretum
The Morris Arboretum of the University of Pennsylvania is the official arboretum of the Commonwealth of Pennsylvania. It is located at 100 East Northwestern Avenue, Chestnut Hill, Philadelphia, Pennsylvania...

 of the University of Pennsylvania
University of Pennsylvania
The University of Pennsylvania is a private, Ivy League university located in Philadelphia, Pennsylvania, United States. Penn is the fourth-oldest institution of higher education in the United States,Penn is the fourth-oldest using the founding dates claimed by each institution...

is the only remaining freestanding Victorian fernery in North America. It has a curved Victorian-style glass roof and turned 100 years old in 1999. Designed by John Morris, the arboretum's namesake, the Fernery is said to embody "some of the many passions of the Victorians: a love of collecting, a veneration of nature, and the fashion of romantic gardens....its filigree roof sparkling in sunlight.
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