SHORE OF LAKE HURON 51 



Trifolium pratense L. Red clover. Growing everywhere like a native 

 plant. From Rogers to Mackinaw City it thrives and is rank on sandy 

 ground and in open woods far from cultivated grounds. 



Trifolium repens L. White clover. In fields, pastures and along roads. 

 Plentiful. From Rogers to Mackinaw City it grows very large and rank 

 even on sandy ground and in open woods and thickets far from culti- 

 vated land. 



Trifolium hybridwn L. Alsike clover. About cities and villages. 

 Plentiful from Rogers to Mackinaw City. This also looks thrifty. The 

 region between these cities seems to be naturally adapted to the clovers. 



Melilotus officinalis (L.) Lam. Yellow melilot. About cities and vil- 

 lages. Occasional. 



Melilotus alba Desr. Sweet clover. In cities and villages. Frequent 

 from Bay County to Alpena. 



Medicago saliva L. Alfalfa. Occasional about cities and villages from 

 Bay County to Mackinac Island, Mackinac County. 



Medicago lupulina L. Black medic. About cities and villages and in 

 waste places. Frequent. 



Robiiria pseudo-acacia L. Common locust. Planted but not escaping 

 in cities and villages. 



Lespedeza capitata Michx. Round-headed bush-clover. In dry open 

 ground, Bay County. Apparently infrequent. 



Vicia angustifolia (L.) Reichard. Smaller common vetch. Near Pin- 

 conning in Bay County. Apparently infrequent. 



Vicia cracca L. Tufted vetch. On Mackinac Island. Apparently 

 infrequent. 



Vicia villosa Roth. Hairy vetch. In waste places near Pinconning 

 in Bay County. 



Lathyrus maritimus (L.) Bigel. Beach pea. Common on sandy beach 

 of Lake Huron from Au Gres in Arenac County to St. Ignace and on 

 Mackinac Island, Mackinac County. 



Lathyrus palustris L. Marsh vetchling. In marshy open ground 

 throughout. Plentiful. 



Lathyrus palustris linearifolius Ser. Winged marsh vetchling. Near 

 Lake Huron shore and on margins of woods from Bay County to Macki- 

 nac Island, Mackinac County. Plentiful. 



Lathyrus ochroleucus Hook. Cream-colored vetchling. In open dry- 

 ish woods from Bay County to St. Ignace. Frequent. 



LINACEAE. Flax Family 



Linum usitatissimum L. Common flax. Along the railroads in Bay 

 County and about cities and villages to St. Ignace, Mackinac County. 



