GEOGRAPHICAL EXTENSION. 191 



America. Europe. Longitude. 

 COCHLEARIA 



officinalis Arc — Bor. Arc. — Tem. 12 .456789 



grcenlandica Pol. — Bor. 1 



anglica Pol. — Arc. Arc — Tem. 1 7 8 9 



danica Pol. — Arc. Pol. — Tem. 1 8 9 



Armoracia Sta. Tem. 12..? . . .9 



Subularia 



aquatica Arc. — Sta. Arc. — Tem. 1 ... 5 ... 9 



Draba 



verna Arc. — Sta. Bor.— Med. 1234. . . .9 



aizoides Tem Med. 12 3 4 



rupestris Pol. — Bor. Pol. — Med,? 1 2 ? ? 5 . 7 8 9 



incana Pol.? — Bor. Arc — Tem. 12.456789 



muralis Arc. Bor. — Med. 1 234 . 6 . . 9 



Camelina 



sativa Bor. — Med. 12 3 4 5 6. .9 



Alyssum 



calycinum Bor. — Med. 12 3 4 



Koniga 



maritima Tem. — Med. 123 



Dentaria 



bulbifera Bor. — Med. 12 3 4 



Cardamine 



amara Bor. — Med. 12 3 4 5 6 



pratensis Arc — Sta. Arc — Tem. 123456789 



impatiens Bor. — Med. 12 3 4 5 



hirsuta Arc — Bor. Bor. — Med. 1234.6789 



Arabis 



petraea Arc. — Bor. Tem. 1 7 8 9 



stricta Bor.? Tem. 12 ? 



ciliata Tem. 1 2 



hirsuta Arc — Sta. Arc Med. 12345?789 



Turrita Tem. — Med. 1 2 



