IDENTIFICATION OF GEASSES. 



25 



45. Green foxtail (Chaetochloa viridis; fig. 49). 



A coarse, tufted annual; leaves rolled in the bud; collar narrow, hairy; 

 auricles none ; ligule a fringe of hairs, longest near the,. margins ; sheaths 

 slightly compressed above, hairy along the margins ; blades soft, flat, nar- 

 rowed at base, one-fourth to one-half inch wide, sharp pointed. 



46. Flat-stemmed panic (Panicum anceps; fig. 50). 



A coarse perennial with short rootstocks ; leaves rolled in the bud 

 (fig. 4, C) ; collar hairy on back and margins; auricles none; ligule a fringe 



Fig. 47. — Bermuda grass {Gapriola dactylon). 



Fig. 48. 



-False recltop (Tridens 

 flavus). 



of short hairs ; sheaths strongly compressed, glossy, usually glabrous ; blades 

 sparsely hairy on upper surface near base, three-eighths to one-half inch 

 wide, sharp pointed. 



This grass closely resembles the field and smooth paspalums, from which it is distin- 

 guished by its hairy ligule and rootstocks, and also false redtop, from which it differs in 

 the presence of rootstocks. 



47. Slender meadow grass (Eragrostis pilosa; fig. 51). 



A slender, tufted annual ; leaves rolled in the bud ; collar narrow, hairy ; 

 auricles none; ligule a fringe of hairs; sheaths slightly compressed, gla- 

 brous ; blades dull and sparsely hairy above, glossy below, less than one- 

 eighth inch wide, sharp pointed. 



It closely resembles stink-grass, but it is not so large. 



