87. FILICES. 409 
1379. Cystopteris fragilis, Bernh. 
Provinces all. Native. Numerous segregate forms. 
Lat. 50—60. Devon, Sussex, Kent ? — Hebrides, Orkney. 
Zones 12345. Highlands to 1800, 1080, 960 yards. 
Census 18 28 57. Ireland 10. British-highland type. 
Europe all. “ Omnium filicum maxime boream versus progreditur.’ 
Russia 654321. West-asia. Siberia. Davuria. Kamtse. 
Algeria. Canaries. Azores. — Far. Icel. Greenl. Am. Col. 
7 
1381. Cystopteris montana, Link. 
Provinces - --- - - (7]------- 15. Native. 
Lat. 56—57 or 58. Mid Perth! Forfar! 8. Aberdeen. [Carn.] 
Zones ---- 5 6. Highlands at about 1200 yards. 
Census 1 2 3. Iveland 0. Highland type of distribution. 
Europe spa ita - aus ger fra -- - - nor swe lap. Denmark? Belg.? 
Russia, absent. Kamtschatka. 
— Rocky Mountains, in America. 
1382. Polystichum Lonchitis, Roth. 
Provinces - - - [4 - 6] 7-- 1011 [12 13] - 15 1617 [18]. Native. 
Lat. 583—59. Carnarvon, York. — Sutherland. [Orkney]. 
Zones - ? 8456. Highlands to 1080, 1000, 960, 920 yards. 
Census 6 10 16. Iveland 8. Highland type of distribution. 
Europe spa ita tur aus ger fra - - - got nor swe lap fin. 
Russia 6----1. Olympus. Himalaya. Siberia. 
— Faroe. Iceland. Greenland. America. Columbia. 
1383. Polystichum aculeatum et lobatum, Anglor. 
Provinces 1 to17. Native. Confused with P. angulare. 
Lat. 50—58. Cornwall, Wight, Kent. — Skye, Ross. 
Zones 1284. Humber to 800 yards. Highlands to 700 yards. 
Census 17 384 85. Ireland 11. British type of distribution. 
Europe spa ita tur aus ger fra cha net. ‘“ Scandinavia.” 
Russia 6. West-asia. 
[Azores; Drouet],-—— America, Columbia. 
