156 GEOLOGY OF OHIO. 



321. CASSIA Tourn. Senna. 



Cassia cham^crista I/. Partridge Pea. 



Monroeville (Huron Co.) H. C. Beardslee (Cat.) ; Franklin Co., Aug. D. Selby; 

 Licking Co., H. L. Jones ( Cat.) ; Cincinnati, Jos. F. James (Cat.) 



Cassia marilandica L. Wild Senna. 



Frequent in the southern and western parts of the state ; Cleveland, W. Krebs. 



Cassia nictitans L. 



Frequent in the southern half of the state. 



322. CERCIS L. Red-'Bud. Judas-tree. 



Cercis canadensis L. Red-bud. 



Over the whole state, especially abundant in the southern half. 



LXV. Order ROSACEA. Rose Family. 



t 

 323. PRUNUS Tourn. Plum, Cherry, Etc. 



Prunus Americana Marshall. 

 Throughout the state. 



Prunus angustifolIa Marsh. ( P. chicasa Michx.) 



"Naturalized in southern Ohio," J. A. Warder (Woody PI.) 



Prunus pennsylvanica L. f. Wild Red Cherry.' 



Northern Ohio, W. Krebs, Sara F. Goodrich, W. C. Werner, A. A. Wright ( Cat.) 



Prunus pumh,a L. 



"Northern Ohio," J. S. Newberry (Cat.) 



Prunus serotina Ehrh. Wild Black Cherry. 

 Throughout the state. 



Prunus virginiana L. Choke-cherry. 



Northern Ohio, A. A. Wright (Cat), W. C. Werner; Central Ohio, Mrs. E. J. 

 Spence, Aug. D. Selby; Licking Co., H. L.Jones (Cat,) 



324. SPIR^A L. Meadow-sweet. 



Spir<EA aruncus L. Goat's Beard. 

 Distributed throughout the state. 



Spir^a corymbosa Raf. (5. betulaefolia corymbosa Watson.) 

 Cleveland, W. Krebs ; Lorain Co., A. A. Wright ( Cat.) 



Spiraea rubra (Hill) Britt. (5. lobata Jacq.) Queen of the Prairie. 



Cedar Swamp (Champaign Co.) Mrs. E. J. Spence; Cincinnati, Jos. F. James 

 ( Cat.) ; Licking Co., H. L. Jones ( Cat.); Lorain Co., A. A. Wright ( Cat.) 



