GEOGRAPHICAL EXTENSION. 257 



America. Europe. Longitude. 



Bromus 



racemosus Bor. — Tern. 1 2 



arvensis Arc Tern. 12 3 4? 



erectus Bor. — Tem. 1 2 



A VENA 



fatua Arc— Med. 12 3 4.6 



strigosa Bor Tem. 12 3 



pratensis Bor. — Med. 12 3 4 5 6 



alpina 



planiculmis Tem. — Med. . 2 



pubescens Arc. — Tem. 12 3 4 



flavescens Bor. — Med. 12 3 4 5 6 



Arundo 



Phragmites Sta. Arc. — Med. 12 3 4 5 6. .9 



Elymus 



arenarius Arc — Bor. Arc — Med. 12 3456 7-9 



geniculatus Bor, ? . ? 



europaeus Bor. — Tem. 12 3 4 



Hordeum 



murinum Bor. — Med. 12 3 4 



pratense Bor. — Tem. 1 2 3 ? 5 



maritimum Tem. — Med. 12 3 



Triticum 



caninum Sta. Arc Tem. 12.45. . .9 



repens Sta. Arc. — Med. 12 3 4 5 6 . . 9 



junceum Bor. — Med. 12 3 4 



cristatum Sta. Tem. — Med. ..3456 . .9 



loliaceum Tem. 1 



V 

 Brachypodium 



pinnatum Bor. — Med. 1234 5 



sylvaticum Tem. — Med. 12 3 4 



