FLOWERING PLANTS AND FERNS OF INDIANA. 937 



CEPHALANTHUS L. 



C. occidentalis L. Button-Bush. Globe-flower. 



An abundant shrub in all parts of the State, growing in 

 marshes or low, wet ground. About some of the inland lakes it 

 takes on an arborescent habit, reaching a height of 20 feet. A 

 handsome and easily recognized species, well adapted for orna- 

 mental purposes where mass effects are desired. . 



Flowers from June through September. 



Jefferson (J. M. Coulter); Monroe and Vigo (Blatchley); Tip- 

 pecanoe (Cunningham); Kosciusko (Coulter); Daviess (Clem- 

 ents); Jay, Delaware, Randolph, and Wayne (Phinney); Dear- 

 born (Collins); Franklin (Meyncke); Gibson and Posey 

 (Schneck); Putnam (MacDougal); Xoble (Van Gorder); Shriner 

 Lake (Deam); Hamilton and Marion (Wilson); Steuben (Brad- 

 ner); Cass and Fayette (Hessler). 



MITCHELLA L. 



M. repens L. Partridge berry. Twin-berry. 



In woods usually associated with various mosses. A delicate 

 trailing plant, quite abundant in the southern counties, but be- 

 coming scarce in the central and northern parts of the State. 



Flowers from April until late in June. 



Jefferson (Barnes); Monroe and Vigo (Blatchley); Fayette 

 (Hessler); Clark (Baird and Taylor); Jay, Delaware, Randolph, 

 and Wayne (Phinney); Franklin (Meyncke); Xoble (Van Gorder); 

 Putnam (MacDougal); Steuben (Bradner). 



SPERMACOCE L. 



S. glabra Michx. Smooth Button weed. 



Confined to the southern counties of the State, where it grows 

 in very wet soil, chiefly along the banks of streams. 



Flowering in July and August. 



Daviess (Clements); Jefferson (Coulter); Clark (Baird and Tay- 

 lor); Gibson and Posey (Schneck). 



DIODIA L. 



D. teres Walt. Rough Button- weed. 



In dry, sandy soil only in the extreme southern part of the 

 State. 



Flowering late in July and in August. 

 Gibson and Posey (Schneck); Crawford (Blatchley). 



