198 BOTANY OF MICHIGAN 



Primus pumila L. Sand cherry. In sandy places on and near the 

 beach of Saginaw Bay and dry hills. 



Prunus cerasus L. Common sour cherry. Abundant and fast spread- 

 ing along road fences and about dwellings. 



Prunus americana Marsh. Wild red plum. Frequent on borders of 

 woods and thickets. Noticed in particular in the vicinity of Murphy's 

 Lake and North Lake. 



Prunus persica (L.) Stokes. Common peach. Noticed on roadsides 

 in several places as an escape from cultivation. 



LEGUMINOSAE. Pulse Family 



Gleditsia triacanthos L. Honey locust. Occasionally planted for 

 ornament in villages, but apparently not escaping. 



Trijolium arvenseL. Rabbit-foot clover. Stone clover. "Noted in a 

 single station in southwest Watertown and also near Vassar Railroad 

 station." C. A. Davis. 



Trijolium pratense L. Red clover. Common along roads, in yards 

 and pastures. 



Trijolium repens L. White clover. Common along roads, in yards 

 and pastures. 



Trijolium hybridum L. Alsike clover. Becoming common every- 

 where as an escape. 



Trijolium agrarium L. Hop clover. Occasional in villages and along 

 roads. 



Melilotus officinalis (L.) Lam. Yellow melilot. Occasional in villages. 



Melilotus alba Desr. Sweet clover. Common in villages and along 

 roads preferring hard clayey ground, and often a weed in cultivated 

 fields. 



Medicago sativa L. Alfalfa lucerne. Frequent in villages and occa- 

 sional along roads and railroads. 



Medicago lupulina L. Black medic. Common along roads and in 

 waste places. Often a lawn weed. 



Robinia pseudo-acacia L. Common locust. Planted and often escap- 

 ing and persisting. 



Astragalus neglectus (T. & G.) Sheldon. Cooper's milk vetch. " Sandy 

 soil, section 9, Kingston Township." C. A. Davis. 



Desmodium nudijlorum (L.) DC. Naked-flowered tick-trefoil. No- 

 ticed in shaded dry ground on the hills about Murphy's Lake and 

 Spruce Lake. "Oak woods and islands in the prairies." C. A. Davis. 



Desmodium grandijlorum (Walt.) DC. Pointed-leaved tick-trefoil. 

 In rich woods especially near the small lakes. " Open dry woods and oak 

 islands in prairies of Akron Township." C. A. Davis. 



Desmodium rotundifolium (Michx.) DC. Prostrate tick-trefoil. On 

 the dry shaded banks of North Lake. Not noticed elsewhere. 



