FIFTEENTH REPORT. 
ils 
2r>4. Crataegus opulans, Sargent. Thornapple. 
Upland thickets. Rare. 
255. (Crataegus punctata, Jacq. Thornapple. 
Low grounds. Common. 
256. Crataegus punctata, Jacq., Var. aurea, Ait. Thornapple. 
Wet thickets. Rare. 
257. Crataegus structilis. Ashe. Thornapple. 
Low grounds. Common. 
258. Crataegus subvillosa, Sclirad. Thornapple. 
Hillsides. Frequent. 
259. Prunus Americana, Marsh. Plum. 
Low grounds. Frequent. 
260. Prunus serotina, Ehrli. Black Cherry. 
Low grounds. Frequent. 
The hark is official under the title Primus Virginiana. Com- 
mercially known as Wild Cherry. Employed as a bitter tonic 
and stomachic in gastric atony and general debility. 
261. Prunus Virginiana, Lin. Choke Cherry. 
Open woods and -thickets. Frequent. 
262. Amygdalus Persica, Lin. Peach. 
An occasional escape. Fruit small and hard. 
The leaves are a commercial article employed in medicine as 
a laxative, sedative, diuretic and anthelmintic. Used in treat- 
ment of Calculi, pertussis, inflammation of stomach and bowels, 
etc. 
Familv 41. Leguminaceae. 
263. Medicago lupulina, Lin. Black Medic. 
Low grounds. Common. 
264. Medicago sativa, Lin. laic erne. 
Waste places. Occasional. 
265. Melilotus alba, Medic. White Melilot. 
Common on roadsides, etc. 
This and other species of the genus are known commercially 
as Sweet Clover. They contain cumarin and develop when drying 
the well known vanilla like odor characteristic of this product. 
Employed as an antispasmodic in whooping cough. 
266. Trifolium hybridum, Lin. Alsike Clover. 
267. Trifolium pra tense, Lin. Red Clover. 
268. Trifolium repens, Lin. White Clover. 
These species are all common in fields and meadows. The flow- 
ering heads of the last two named species are employed in medi- 
cine like Sweet Clover (White Melilot). 
269. Meibomia. Canadensis (Lin.) O. K. Tick Trefoil. 
Open grounds. Common. 
270. Vicia Americana, Muhl. Vetch. 
Low grounds. Frequent. 
271. Lathyrus myrtifolius, Mulil. Pea. 
Low grounds. Frequent. 
Lathyrus palustris, Lin. Pea. 
Low grounds. Common. 
272 
