BEAL ON MICHIGAN FLORA. 91 



*1275. P. nigra Ait. Canada Plum. Port Huron northward; Detroit, .A. Far- 

 well. 



*1276. P. Pennsylvanica L. f. Wild Red Cherry. Very abundant on sandy land in 

 the N. half of the State, but less common southward, where P. serotina takes it place. 

 1277. P. pumila L. Dwarf Cherry. Sand Cherry. L. Sup.; Emmet Co.; Houghton 

 Lake; Mecosta Co.; South Haven; Saginaw Bay, Winchell, etc.; St. Clair Co., C. K. 

 Dodge. Frequent in the N. half of the L. P., but not yet found in the interior. S. of 

 Saranac, Ionia Co., where it occurs in a dry glade. 



*1278. P. serotina Ehrh. Wild Black Cherry. Frequent in C. and S. Eare in N 

 and U. P. 



*1279. P. Virginiana L. Choke Cherry. A shrub or small tree. Common. Th. 



AMYGDALUS L. 

 1279a. A. Persica L. Peach. Well established at Ypsilanti, O. A. Farwell. 



CAESALPINACEJE Kl. & Garcke. Senna Family. 



CERCIS L. 



*1280. C. Canadensis L. Red-bud. Judas-tree. Indigenous throughout the south- 

 ern part of the State, and as far N. in the west as Grand River Valley. Plaster 

 Creek, Grand Rapids, Garfield; Ionia, Le Valley; banks of Thornapple River. Eaton 

 Co.; Ann Arbor; Adrian; South Haven; near Medina a tree was found 26 inches in 

 diameter! W. J. B. 



CASSIA L. 



*1281. C. Marilandica L. Wild Senna. Grand Haven; Ann Arbor, river banks; Bay 

 Co., G. M. Bradford. Infrequent. C. & S. 



1282. C. nictitans L. Sturgis, F. P. Daniels; S. W., H. S. Pepoon. 



GLEDITSIA L. 



1283. G. triacanthos L. Three-thorned Acacia. Honey-Locust. Grows along the 

 River Raisin, and is certainly indigenous. Often two feet in diameter, W. J. B. Along 

 the St. Joseph, also, and in other localities in the extreme S. Dundee, Niles, C. F. 

 Wheeler; Detroit, 0. A. Farwell; Milan, C. A. Davis. 



GYMNOCLADUS Lam. 



1284. G. dioica (L.) Koch. Kentucky Coffee- tree. C. & S. G. Canadensis Lam. 

 A slender tree along the river banks as far N. as Maple River, in Clinton Co.; also 

 Fish Creek, Montcalm Co.; banks of Grand River; Macomb Co., W. J. B.; Belle Isle, 

 O. A. Farwell and W. J. B.; Sturgis, F. P. Daniels; Ann Arbor, C. A. Davis. Infre- 

 quent. 



PAPILIONACE^E L. Pea Family. 



BAPTISIA Vent. 



1285. B. leucantha T. & G. Large White Wild Indigo. Calhoun Co., Winch. Cat.; 

 Ann Arbor, Allmendinger Cat,; shore of Lake Erie, Goldie, Canadian Cat.; near De- 

 troit, 0. A. Farwell. Rare. 



*1286. B. tinctoria (L.) R. Br. Wild Indigo. Woodward Lake, Ionia Co.; Flint; 

 Macomb Co.; Ann Arbor, Winch. Cat.; Alma, C. A. Davis. Abundant in places but 

 not well distributed. C. & S. 



CROTALARIA L. 



1287. C. sagittalis L. Rattle-box. Detroit, O. A. Farwell. 



LUPINUS L. 



*1288. L. perennis L. Wild Lupine. C. & S. Abundant in light sand. 



1289. L. perennis occidentalis S. Wats. Benton Harbor, C. F. Wheeler. 



1290. L. poly-carpus Greene. Ballast grounds. Detroit, 0. A. Farwell. 



