The twenty-eight Anchusa-class sloops were built under the Emergency War Programme for the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 in World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 as the final part of the larger "Flower class", which were also referred to as the "Cabbage class", or "Herbaceous Borders".

They were single-screw fleet sweeping vessels (sloops) with triple hulls at the bows to give extra protection against loss when working.

The Anchusa class of corvette

Corvette

A corvette is a small, maneuverable, lightly armed warship, originally smaller than a frigate and larger than a coastal patrol craft or fast attack craft , although many recent designs resemble frigates in size and role...

s or convoy sloops were completed in 1917 and 1918. They were a small class of convoy protection ships built to look like merchant ships for use as Q-ship

Q-ship

Q-ships, also known as Q-boats, Decoy Vessels, Special Service Ships, or Mystery Ships, were heavily armed merchant ships with concealed weaponry, designed to lure submarines into making surface attacks. This gave Q-ships the chance to open fire and sink them...

s in World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

.

A surviving example is HMS Saxifrage, completed in 1918 and renamed in 1922 as .

Ships

These ships were Q-ship

Q-ship

Q-ships, also known as Q-boats, Decoy Vessels, Special Service Ships, or Mystery Ships, were heavily armed merchant ships with concealed weaponry, designed to lure submarines into making surface attacks. This gave Q-ships the chance to open fire and sink them...

s, which were disguised as normal mercantile shipping within convoys.
Six ships were ordered on 1 January 1917:, built by Sir W. G. Armstrong Whitworth

Armstrong Whitworth

Sir W G Armstrong Whitworth & Co Ltd was a major British manufacturing company of the early years of the 20th century. Headquartered in Elswick, Newcastle upon Tyne, Armstrong Whitworth engaged in the construction of armaments, ships, locomotives, automobiles, and aircraft.-History:In 1847,...

 and Company, Walker on Tyne, launched 21 April 1917. Sunk by German submarine off west coast of Ireland 16 July 1918., built by Armstrong Whitworth, launched 5 May 1917. Sunk by German submarine in the Atlantic 13 August 1917., built by Armstrong Whitworth, launched 19 May 1917. Torpedoed by German submarine 18 November 1917 and stranded near Bougie

Bougie

Bougie, Bougis or Bougy as a place name or surname may refer to:- Places :*Bougy , village, Département Calvados, Normandy, France*Bougy-lez-Neuville, village, Département Loiret, France...

, Algeria., built by Armstrong Whitworth, launched 2 June 1917. Transferred to Royal Indian Marine in May 1922, and renamed Elphinstone; wrecked on Nicobar Islands 29 January 1925., built by Barclay Curle and Company, Whiteinch

Whiteinch

Whiteinch is a district in the Scottish city of Glasgow. It is situated north of the River Clyde between the Partick and Scotstoun areas of the city...

, launched 19 May 1917. Sold for breaking up 1 December 1921., built by Barclay Curle, launched 22 June 1917. Sold for breaking up 1 December 1921.
Two more ships were ordered on 15 January 1917:, built by William Simons and Company, Renfrew, launched 1 November 1917. Sold for breaking up 6 September 1922., built by Workman Clark and Company, Belfast, launched 29 September 1917. Sold to Egypt 31 March 1920 and renamed Sollum.
Twenty more ships were ordered on 21 February 1917:, built by Armstrong Whitworth, launched 8 September 1917. Sunk by German submarine in the St. George's Channel 16 December 1917., built by Armstrong Whitworth, launched 4 October 1917. Sold for breaking up 1 February 1923., built by Armstrong Whitworth, launched 27 October 1917. Sold for breaking up 3 April 1938., built by Armstrong Whitworth, launched 10 November 1917. Target towing vessel in May 1920. Transferred to Royal Naval Volunteer Reserve 1938, and stationed on the Embankment

Thames Embankment

The Thames Embankment is a major feat of 19th century civil engineering designed to reclaim marshy land next to the River Thames in central London. It consists of the Victoria and Chelsea Embankment....

 in London; broken up 1995., built by Barclay Curle, launched 15 September 1917. Sold for breaking up 6 September 1922., built by Barclay Carle, launched 19 October 1917. Sunk by German submarine off Cape Spartel 25 April 1918., built by Barclay Curle, launched 1 December 1917. Sold to Mexican State Line 3 June 1921, became mercantile Guerrero., built by Barclay Curle, launched 27 December 1917. Sold for breaking up 15 January 1923., built by Barclay Curle, launched 15 March 1918. Sold for breaking up 15 January 1923., built by Barclay Curle, launched 10 May 1918. Sold for breaking up in December 1939., built by Blyth Shipbuilding and Dry Dock Company, Blyth

Blyth, Northumberland

Blyth is a town and civil parish in southeast Northumberland, England. It lies on the coast, to the south of the River Blyth and is approximately 21 kilometres  northeast of Newcastle upon Tyne...

, launched 31 October 1917. Sold 2 June 1921, became mercantile Sinaloa (Clan Line)., built by Greenock & Grangemouth Dockyard Company, launched 26 December 1917. Intended to become RNVR drill ship President, but was wrecked in January 1921 off Flintstone Head while en route to fit out at Hawlbowline., built by Greenock & Grangemouth, launched 17 November 1917. Sold 25 January 1921, became mercantile Chiapas (Clan Line)., built by William Hamilton & Company, Port Glasgow, launched 18 March 1918. Sold 25 January 1921, became mercantile Oaxaca (Clan Line)., built by Irvine's Shipbuilding and Dry Dock Company, West Hartlepool. Sunk by German submarine in the North Sea 5 May 1918., built by Lobnitz and Company, Renfrew, launched 29 January 1918. Became RNVR drill ship 1921, and stationed on the Embankment in London; renamed in July 1922, in private hands since 1988., built by William Simons and Company, Renfrew, launched 12 March 1918. Sold for breaking up 29 December 1921., built by Swan Hunter and Wigham Richardson, Wallsend on Tyne, launched 5 October 1917. Sold for breaking up 7 October 1927., built by Swan Hunter, launched 16 November 1917. Sold for breaking up 15 January 1923., built by Workman Clark & Company, Belfast, launched 12 April 1918. Sold for breaking up 7 October 1927.

See also

• Anchusa
  Anchusa
  The genus Anchusa L. belongs to the tribe Boragineae of the borage family . It includes about 40 species.These species grow in Europe, North Africa, South Africa en Western Asia. They are introduced into the USA....
  
  , a genus of plants