4. CRUCIFERE. 93 
60. Thlaspi arvense, Linn. 
Provinces all. Colonist. ‘‘ Probably native ;” A. De Candolle. 
Lat. 50—60. Cornwall, Wight, Kent. — Sutherland, Orkney. 
Zones 1 28. Humber to 200 yards. 
Census 18 82 62. Ireland 7. British type, sparsely spread. 
Europe all. More frequent than it is in Britain ? 
Russia 654821. West-asia. Himalaya. Siberia. 
Algeria. Canaries. “ Azores.” — (America). 
61. Thlaspi perfoliatum, Linn. 
Provinces - - [8] - 5 ---- [10 - 12]. Native. 
Lat. 51—52. Gloucester. Formerly in Oxford also. 
Zone 1. About 700 feet; Rev. H. Roberts. 
Census 1 1 1. Iveland 0. English-local type. 
Europe spa ita tur aus ger fra cha net. Bornholm. 
Russia 65 43. West-asia. Siberia. Isle of Oesel. 
Algeria. 
62. Thlaspi alpestre, Linn. 
Provinces [1 - 3-- 6] 78-101112--15. Native. 
Lat. 51—57. Carnarvon, Derby. — Cumberland, Forfar. 
Zones ? 2345. Forfarshire, at 900 yards or thereabouts. 
Census 6 6 10. Iveland 0. Highland-intermediate type. 
Europe spa ita - aus ger fra - net - got. 
—N.B. In the Flora Boreali-americana, this is recorded as a 
plant of Canada, on authority of “ Mrs. Percival.” 
63. Capsella Bursa-pastoris, De Cand. 
Provinces all. Native. 
Lat. 50—61. Cornwall, Wight, Kent. — Orkney, Shetland. 
Zones 123. Highlands to 400 yards. England to same. 
Census 18 88 95. Ireland 12. British type of distribution. 
Europe all; northward to Mageroe. 
Russia 654321. West-asia. Himalaya. Siberia. Kamtsc. 
Algeria, Canaries. Azores. — Faroe. Icel. (Gre. Am.) 
