144 BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 



Type species : Epicampes strictus Presl. 



Epicampes Presl, Rel. Haenk. 1: 235, pi. 39. 1830. Only one species de- 

 scribed. 



Crypsinna Fourn., Mex. PI. 2: 90. 1SS6. Three species are mentioned, 

 C. stricta, C. macroura, and C. setifolia. In the generic description the panicle 



is said to be densely 

 spiciform. This applies 

 best to the second spe- 

 cies, C. macroura, which 

 is chosen as the type. 



One species, Epi- 

 campes rigens Benth. 

 (fig. 80), with long, 

 slender, cylindric, 

 pale, spikelike pan- 

 icles, the glumes 

 shorter than the 

 lemma, is found from 

 western Texas to 

 southern California. 

 This species, called 

 deer-grass, and the 

 four other species, E. 

 ligulata Scribn., E. 

 berlandieri Fourn., E. 

 subpatens Hitchc., 1 

 and E. emersleyi 



1 Epicampes subpatens, n. sp. 

 Culms erect, glabrous, 50 

 to 100 cm. tall ; sheaths 

 glabrous, slightly scabrous, 

 compressed-keeled, especially 

 those of the innovations ; 

 ligule softly membranace- 

 ous, 1 to 2 cm. long ; blades 

 flat or folded, scabrous, 1 

 to 3 mm. wide, the lower 

 as much as 50 cm. long ; 

 panicles narrow but rather 

 loose, mostly 20 to 40 cm. 

 long, the branches ascend- 

 ing, more or less fascicled 

 or whorled, naked below ; 

 spikelets about 3 mm. long, 



FIG. 80. Deer-grass, Epicampes ricfcns. Plant, X I ; spikelet and floret, X 5. 



