118 



HORDEAE 



Hystrix 



50 



Map 185 



Elymus virginicus 

 Var. jejunus (Ramaley) Bush 



50 



Map 186 

 /mus virginicus 



var. glabriflorus (Vasey) Bush 



Map 187 

 Hystrix patula Moench 



4b. Elymus virginicus var. submuticus Hook. (Elymus curvatus Piper.) 

 Map 183. A rare form with the habitat of the species. 



Que. to Wash., southw. to R. I., Ohio, Ky., Okla., and Mont. 



4c. Elymus virginicus var. australis (Scribn. & Ball) Hitchc. {Elymus 

 austraUs Scribn. & Ball.) Map 184. This form has been found in a few 

 places in the southern half of the state on wooded ridges and on post 

 oak flats. 



Vt. to Iowa, southw. to Fla. and Tex. 



4d. Elymus virginicus var. jejunus (Ramaley) Bush. Map 185. This 

 rare form is known only from Umbach's specimen collected "on the sands 

 at Pine," Lake County, on June 29, 1898. Hitchcock does not recognize this 

 variety in his recent manual. 



4e. Elymus virginicus var. glabriflorus (Vasey) Bush. (Elymus glabri- 

 florus Scribn.) Map 186. This variety has been found in several coun- 

 ties, and doubtless it will be found to be well distributed in the state 

 when intensive work is done. It is a woodland grass found in both moist 

 and dry situations. 



Maine to Kans., southw. to Fla. and N. Mex. 



45-412. HYSTRIX Moench 



Spikelets glabrous \, H. patula. 



Spikelets pubescent la. H. patula var. Bigeloviana. 



1. Hystrix patula Moench. (Hystrix Hystrix (L.) Millsp.) Bottle- 

 brush. Map 187. This is an infrequent to frequent grass throughout the 

 state. It is a woodland species, but is often found growing in open places 

 along fences and roadsides. It prefers dry soil and occurs in almost all 

 types of woodland. 



Maine, Ont., Mich., and Minn., southw. to Ga., Ala., and Ark. 



