299] FLORA OF COLUMBIA AND VICINITY 1 57 



199. DESMANTHUS Willd. \_ACUAN Medic.]. 



512. D. Illinoensis (Michx.) Daniels [A. Illinoensis 

 (Michx.) Kuntze: D. brachylobus Benth.]. Prairie 



MIMOSA. 



A single patch east of the water-works dam; frequent at 

 Rocheport along the railroad. 



Indiana to Minnesota and South Dakota; Florida to 

 Texas and Colorado. 



200. CERCIS L. Judas tree. 



513. O. Canadensis L. Red bud. 

 Frequent in rocky woods and on cliffs. 



New Jersey to Ontario and Minnesota; Florida to 

 Texas. 



201. CASSIA L. iCHAMAECRISTA Moench]. 



Senna. 



514. C. Marylandica L. Maryland senna. 

 Infrequent in rich woods and thickets. 



Connecticut to Michigan and Nebraska; Florida to 

 Louisiana and Kansas. 



515. O. Ohamaecrista L. \Chamaecrista fasciculata 

 Michx.]. Sensitive partridge pea. 



Common in thickets and open woods. 

 Maine to Minnesota and South Dakota; Florida to 

 Texas; Mexico to Bolivia and Uruguay. 



202. GLEDITSOHIA (GLEDITSIA) L. Sweet 



516. G. triacanthos L. Honey locust. 



Common in woods and along roadsides. A frequent un- 

 armed form is perhaps worthy of varietal rank. 



New York, Ontario and Michigan to South Dakota and 

 Kansas; Georgia to Texas. 



