216 
IOWA ACADEMY OF SCIENCES. 
Spiraea. 
326. S. salicifolia L. Swampy meadows; common. 
Rubus . 
327. R. sUngosusWiQhx. Dry woods; frequent. 
328. R. occidentalish. Thickets and borders of woods; 
common. 
329. R. villosuslj. Woods and roadsides; frequent, 
330. R. canadensis L. Woods; infrequent. 
Fragaria. 
331. F. virginiana Duchesne. Prairies, woods and 
waste ground; abundant. 
332. F. americana (Port.) Brit. {F. vesca americana 
Port.) Cool, wooded slopes; common. 
POTENTILLA. 
333. P . arguta Pursh . Common in pastures and waste 
ground . 
334. P. ynonspeliensis h . (P. norvegica\^.) Cultivated 
and waste ground; abundant. 
335. P anserina L. A good sized colony in waste 
ground near a railroad. 
336. P . canadensish. Meadows and pastures; frequent. 
Geum. 
337. G. canadeyise [G . album Gmel.) Moist 
woods; abundant. 
338. G. strictum Ait. Low meadows and roadsides; 
infrequent. 
•Agrimonia. 
339. A. mollis (T. and G.) Brit. '(A. eupatoria L.) 
Woods and thickets; common. 
Rosa. 
340. R. arkansana Port. Abundant. 
Malus. 
341. 
POMACES. 
M, ioensis (Wood) Brit. Borders of woods and 
along streams; common. 
