MICHIGAN FLORA. 



451 



Dwarf Cherry. 

 Sand Cherry. 



Wild Red 

 Cherry. 

 Pin Cherry. 



280. 



pumila, 



L 

 Sa 



Th. 



110 



in a" dry 

 aureus. 



glade along with Synthyris, Caslillea, Lupinus, and Senecio 



281. Pennsylvania, L. 



Th. 



Very abundant on sandy land in the N. half of the State, but less common 

 southward, where P. serotina takes its place. Occasionally it becomes 

 a "ood sized tree,— 40-50 feet high, a foot and a half in diameter. One 

 such stands by the road-side near Prairie Cr., in Ronald Tp., Ionia Co. 



Choke Cherry. 282. Vil'ginica, L. 



Th. 



Wild Black 

 Cherry. 



Nine-Bark. 



Meadow- 

 sweet. 

 Willow- 

 leaved Spirea. 



Hardhack. 

 Steeple-Bush. 



Queen of the 

 Prairie. 



A shrub or small tree. Very pretty in May by reason of its light green 

 leaves and racemes of white flowers. Sometimes cultivated for orna- 

 ment. Common. 



283. serotina Ehrh. (*) Th. 



A medium sized timber tree, well known as " Black Cherry." Frequent 

 in C. and S., in places sufficiently so for economic use. Rare in N. and 

 U. P. The bark is often used as a tonic. 



NEILLIA 



284. opulifolia, Beuth. and Hook. Th. 



Along streams. A low shrub with re-curved branches, white flowers, 

 clusters of reddish pods, and something the habit of red currant but 

 larger. Occasionally cultivated and a good addition to the lawn. 



SPIREA 



285. salicifolia, L. Th. 



In marshes. Common. 



286. tomentosa, L. (**) 0. & S. 



Ionia Co. CO and southward. A low shrub with fine rose-colored flowers, 

 in dense panicles, and leaves rusty-wooly beneath. A striking plant 

 and worth trying in the garden. Infr. 



s. 



287. lobata, Jacquin. 



"Meadows and prairies, Penn. to Mich."— Gray 

 the S. Often cultivated. 



Gillenia. 



Bowman's 



Root. 



Indian Physic, 



Canadian Bur- 

 net. 



Agrimony. 



Small-flower 

 ed A. 



White Geum. 

 Avens. 



Virginia G. 



Large-leaved 

 G. 



GILLENIA 



288. trifoliata, Moench. 



Winchell Cat. 



(**\ 



Occurs, if at all, only in 



s. 



Rare. 



Strict G. 



Purple Avens. 

 Water A. 



POTERIUM 



289. Canadense, Benth. & Hook. 



South Haven— Bailey; Ann Arbor— Allmendinger. 



AGRIMONIA 



290. Eupatoria, L. (***) 



Dry soil. 



291. parviflora, Ait. (***) 



Detroit— Miss Clark; Macomb Co. 

 GEUM 



292. alburn, Gmelin. 



293. Virginianum, L. 



294. macrophyllum, Willd. 



Rare, or not at all in L. P. 



295. strictum, Aiton. 



New Haven, Gratiot Co.(!); Pctoskey(!), etc. 



296. rivale, L. (**) 



Swamps and wet places. 



s. 



Rare. 



Th. 



Common. 



S. E. 



Infrequent. 



Common. 



0. &s. 



Common. 



U. P. 

 Th. 



Rare S. 

 Th. 



Common. 



