156 GEOLOGY OF OHIO. 



321. CASSIA Tourn. Senna. 



Cassia cham^Ecrista L. 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 marieandica 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. 



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 (Wood}- PI.) 



Prunus PENNSYI/VANICA L. f. Wild Red Cherry. 



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



Prunus pumiea 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-EA L. Meadow-sweet. 



Spiraea aruncus L. Goat's Beard. 

 Distributed throughout the state. 



SpiR-Ea corymbosa Raf. (5. betulaefolia corymbosa Watson.) 

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



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



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

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



