FLOWERING PLANTS AND FERNS OF INDIANA. 633 



A. RAMOSIS8IMA EDgelm. 



Found in dry, sandy soil in the southern part of the State. Not 

 frequent. 



Flowers in August and September. 

 Jefferson and Gibson. 



A. purpurascens Poir. 



Found growing in dry soils in many counties of the State, chiefly 

 western. Quite common, but of no economic value. 

 Flowering season, August and September. 



A. OLIGANTHA Michx. 



Found in the counties bordering the Ohio and lower Wabash 

 rivers, growing in dry soil. 



Flowers in August and September. 

 Jefferson and Gibson. 



A. tuberculosa Nutt. Sea-beach Aristida. 

 In sandy soil along the lake beach. 

 Flowering season, from August to September. 

 Lake (Hill). 



STIPA L. 



S. spartea Triu. Porcupine Grass. 



In sands and sandy prairies in the northwestern part of the State, 

 Frequent but not abundant. 

 Flowers in Juue and July. 

 Lake (Hill). 



ORYZOPSIS Michx. 



O. asperifolia Michx. White-grained Mountain Rice. 



Found in rich woods, especially in the northern counties of the 

 State, where it is at times quite plentiful. 

 Flowers in May and June. 



O. melanocarpa Muhl. Mountain Rice. 



Quite frequent throughout the State in rocky woods. Especially 

 plentiful in the southern hill counties. 

 Flowers in July and August. 

 Jefferson. 



