796 REPORT OF STATE GEOLOGIST. 



CLESALPINACE.E. Senna Family. 



CERCIS L. 



C Canadensis L. Red-bud. Judas-tree. 



Abundant throughout the State, especially developed in point 

 of numbers in limestone hill regions. Its maximum development 

 as to size is in the southern counties in moist, rich soil. When 

 present in numbers or of large size, it is indicative of rich soil. 

 While growing well in clay soils, it finds its best situation in 

 loam. Wood exceedingly hard and close grained. 



Flowers in April and May. Scarcely less handsome in fruit in 

 August. 



Tippecanoe (Cunningham); Kosciusko (Coulter); Daviess (Cle- 

 ments); Jefferson (Barnes); Putnam (MacDougal); Franklin 

 (Meyncke); Dearborn (Collins); Jay, Delaware, Randolph and 

 Wayne (Phinney); Gibson and Posey (Schneck); Noble (Van 

 Gorder); Clark (Baird and Taylor); Monroe and Vigo (Blatch- 

 ley); Marion and Hamilton (Wilson); Steuben (Bradner). 



CASSIA L. 



<J. nictitans L. Sensitive Pea. Wild Sensitive-plant. 



Chiefly in the southern counties of the State, growing in dry. 

 sterile places. Not abundant in any locality. 



Flowers in August and September. 



Gibson and Posey (Schneck); Jay, Delaware, Randolph, and 

 Wayne (Phinney); Clark (Baird and Taylor); Jefferson (Barnes); 

 Fayette (Hessler); Monroe (Blatchley); Round Lake (Deam); 

 Floyd (Barnes). 



C Cham.ecrista L. Partridge Pea. Large-flowered Sensitive Pea. 



Dry sand or clay soils. Somewhat common in southern coun- 

 ties, but not extending farther north than Tippecanoe accord- 

 ing to reports. 



Flowering season July and August. 



Tippecanoe (Cunningham); Jay, Delaware, Randolph, and 

 Wayne (Phinney); Gibson and Posey (Schneck); Daviess (Cle- 

 ments); Jefferson (Barnes); Franklin (Meyncke); Clark (Baird 

 and Taylor); Vigo (Blatchley); Floyd (Barnes); Hamilton and 

 Marion (Wilson). 



