26 



MICHIGAN FLORA. 



Ground-nut. 

 Wild Bean. 

 Dakota Potato 



Wild Bean. 



Hog Pea-nut. 



False Indigo. 

 Wild Indigo. 



Wild Indigo. 



Wild Indigo. 



Red-bud. 

 Judas-tree. 



APIOS 



269. tnberosa. Mcench, 



A curious vine, with edible tuber 

 ers. 



c. & s. 



and fragrant, chocolate-brown flow- 

 Common. 



PHASEOLUS 



270. diversifolius, Pers. S. 



S. E. along shore, and on the islands of Lake Erie (!), and shore of Lake 



Michigan at So. Haven— Bailey, 

 not found in the interior. 



AMPHICAEP^EA 



271. monoica, Elliott. 



Fields and woods. Variable. 

 BAPTISIA 



Probably not much farther north, and 



Th. 



Common. 



0. &s. 



272. tinctoria, R. Br. (***) 



Woodard Lake, Ionia Co. (!); Flint; Macomb Co.; Ann Arbor— Winch. 

 Cat.; etc. Abundant in places, but not well distributed; much com- 

 moner than the next two species. 



273. Leucantha, Torr. & Gr. 



Calhoun Co.— Winch. Cat.; Ann Arbor- 



274. leucophasa, Nutt. 



Mich.— Gray. 



-Allmendinger Cat.; etc. 



s. 



Rare. 



s. 



Rare. 



CERCIS 



275. Canadensis, L. 



0. & S. 



Indigenous through the southern part of the State, and as far N. in the 

 west as Grand river valley. Pla'ster creek, Grand Rapids— Garfield; 

 Ionia— Le Valley(?); banks of Thornapple river, Eaton county; Ann 

 Arbor; Adrian; South Haven, etc. This tree is quite frequent in the 

 valley of the river Raisin, 10 miles S. W. of Adrian, in company with 

 Negundo, Gymnocladus, and jEsculus glabra. The largest trees are ten 

 inches in diameter— Henry Owen. Frequently cultivated. 



Wild Senna. 



Kentucky 

 Coffee-tree. 



CASSIA 

 276. Marylandica, L. (*) 



C. & S. 



Lyons(!); Grand Haven(!); Ann Arbor, etc. River banks; a tall weed 

 with bright yellow blossoms. Infrequent. 



GYMNOCLADUS 



277. Canadensis. Lam. 



C. & S. 



A slender tree along river banks, as far X. as Maple river, in Clinton 

 Co.(!); also Fisk creek, Montcalm Co. (!); banks of Grand river(!); etc. 

 The largest specimen seen was about KO feet high, and less than a foot 

 in diameter. The wood is reddish, fine-grained, tough, and takes a good 

 polish. Sometimes planted, and a valuable ornamental tree, with 

 clubby branches, large and graceful bi-pinnate leaves, and large, flat 

 pods in autumn. Farther south, a large tree. Infrequent. 



Honey Locust. 

 Three-thorned 

 Acacia. 



GLEDITSCHIA 

 278. triacanthos, L 



S. 



Grows along the river Raisin, and is certainly indigenous. Often two 

 feet in diameter.— Prof. Beal, Henry Owen, et al. Probably along the 

 St. Joseph, also, and in other localities in the extreme S. Frequently 

 planted for hedges. 



ROSACEA. 



{Hose Family.) 



Wild Plum. 



PRUNUS 



279. Americana. Marshall. 



C. & .S 



Along our rivers; the fruit either round or oblong, yellow, red, or green, 

 and pleasant or bittei*. Occasionally a tree bears large fruit which is 

 quite palatable. Frequently the plums blast and the trees bear instead 



hollow, green bodies somewhat resembling plums. 



Common. 



