MICHIGAN ACADEMY OF SCIENCE. 
232. Potentilla agrimonioides (Pli.) Far well. Cinquefoil. 
Potentilla arguta Pli. 
233. Potentilla argent ea, Lin. Silvery Cinquefoil. 
Sterile grounds. Common. 
234. Potentilla fruticosa, Lin. Shrubby Cinquefoil. 
Wet or dry grounds. Common. 
235. Potentilla Monspeliensis, Lin. Cinquefoil. 
Swamps. Frequent. 
23G. Fragaria Americana (Porter) Britton. Strawberry. 
Open woods. Pare. 
237. Fragaria vesca, Lin. Strawberry. 
Roadsides. Rare. 
The leaf is a commercial drug used in medicine as an astringent 
and diuretic. 
238. Fragaria Virginiana, Duchesne, Strawberry. 
Fields. Common. 
239. Waldsteinia fragarioides (Mx.) Trait. Barren Strawberry. 
Open upland woods. Rare. 
240. Geum Canadense, Jacq. Avens. 
Swamps and low grounds. Common. 
241. Geum rival e, Lin. Water Avens. 
Swamps. Common. 
A commercial drug. The rhizome and roots are used as an 
astringent and tonic in diarrhoea, etc. 
242. Geum strictum, Ait. Avens. 
Low grounds. Frequent. 
243. Geum vernum (Raf.) T. & G. Spring Avens. 
Marl bogs. Common. 
244. Geum Virginianum, Lin. Avens. 
Low grounds. Common. 
245. Agrimonia gryposepala, Wallr. Agrimony. 
Thickets. Common. 
240. Agrimonia pubescens, Wallr. Agrimony. 
A. mollis (T. & G.) Britton. 
Thickets. Frequent. 
247. Rosa Carolina, Lin. Swamp Rose. 
Swamps. Frequent. 
248. Rosa humilis, Marsh. Rose. 
Dry fields. Common. 
249. Pyrus Mains, Lin. Wild Apple. 
Thickets. Occasional. 
The tree bark is a commercial drug employed as a febrifuge in 
treatment of fevers. 
250. Amelanchier florida, Lindl. Shadberry. 
Hillsides. Frequent. 
251. Amelanchier sanguinea (Ph.) D. C. Shadberry. 
Hillsides. Common. 
252. Amelanchier stolonifera, Wiegand. Shadberry. 
Sandy grounds. Frequent. 
253. Crataegus attenuata, Ashe. Thornapple. 
Low grounds. Common. 
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