IDENTIFICATION OF GRASSES. 



19 



This grass produces a fine, dense turf. Velvet bent (Agrostis canina ; fig. 30, B) is 

 similar to creeping bent, but grows in a still finer turf and is distinguished by a long 

 acute ligule and by scabrous blades when viewed with a lens. 



Fig. 31. — Chess (Bromus secalinus). Fig. 32. — Timothy {Phleum pratense). 



27. Chess (Bromus secalinus; fig. 31). 



A tufted, pale-green annual; leaves rolled in the bud; collar broad, 

 glabrous; auricles none; ligule short, membranous, toothed near the tip; 



Fig. 33. — Tall oat-grass 

 (Arrhenatherum elatius). 



Fig. 34. — Bulbous oat-grass 

 (Arrhenatherum elatius 

 bulbosum) . 



sheaths not compressed, glabrous, rarely hairy, pink veined; blades flat, 

 glabrous, or sometimes sparsely hairy above, one-fourth inch wide. 

 This grass is often found in fields of winter grain. 



