oh. vii] Botanical Description of Species 



m 



thickened at the top, almost "knobbed" (except in the case of the 

 uppermost "seed" of each spikelet). It has a small circular 

 cavity at its top. (Fig. 86.) 



Cynosurus echinatus. L. (Rough Dog's-tail.) 



A tufted annual, rare, and perhaps only introduced into 

 Britain. Flowering culms 1 to 2 feet high. Ligule of upper 

 leaf is very long. Panicle oval in outline, about § inch long. The 

 outer palea bears a slender terminal awn about as long as itself. 



Flowers about June. 



Kg. 88 Fig. 89 



Fig. 88. "Seed" of Dactylis glomerata. x 10. Front view. 

 Fig. 89. Three attached "seeds" of Dactylis glomerata. x 10. The proportion 



of such attached "seeds" is especially high in immature samples. Usually 



only the lowest pair of paleee contain a grain. 



Dactylis glomerata, L. (Cock's-foot.) (Fig. 87.) See p. 145. 



A coarsely-tufted perennial growing on almost every type of 

 soil. The plant is entirely glabrous though it may often be rough 

 to the touch. Its foliage is dull and varies much in colour — from a 

 light green to a deep bluish-green hue. Sheaths entire, very sharply 

 keeled both at back and front. Leaves folded in the flattened 

 shoots ; blade partly conduplicate, long, and tapering into an acute 



