57° 



GRAMINEJE 



dry state and are known as "bents." — Fl. July, August. Pe- 

 rennial. 



2. C.echindtus (Rough Dog's-tail). — A larger plant with broad, 

 flat leaves and an ovate, irregularly lobed panicle ; awn as long as 

 the flowering glume. — Sandy places in the Channel Islands. — Fl. 

 July, August. Annual. 



31. Koeleria (Hair - grass). — 

 Spikelets compressed, in a sub- 

 cylindric spike, 2 — 5 - flowered ; 

 flowering glume membranous, keeled, 

 pointed. (Named in honour of G. 

 L. Koler, a German writer on 

 grasses.) 



1. K. cristdta (Crested Hair-grass). 

 — Stem 6 — 18 in. high, downy ; leaves 

 downy or glabrous ; spike oblong, 

 interrupted below, crowded ; flower- 

 ing glumes white, with a green keel, 

 giving the spike a variegated, shining, 

 silvery-grey aspect. — Dry pastures ; 

 common. — Fl. June, July. Peren- 

 nial. 



2. K. gracilis includes some com- 

 mon related forms, found on lime- 

 stone or in moist situations, with 

 shorter, involute leaves and more 

 slender and more interrupted spikes. 



3. K. glauca, with short, glaucous, 

 convolute leaves and scarcely inter- 

 rupted spike, occurs rarely on sandy 

 coasts in Scotland, Wales, Cornwall, 

 and Dorset. 



4. K. splendens, a tufted form, with 

 glaucous, convolute Thrift-like leaves, 

 the sheaths breaking up into an 

 interwoven web ; stem 3 — 18 in. high, 

 pubescent, and spike uninterrupted, 



occurs on limestone rocks at the coast end of the Mendips. 



32. MoLfNiA, of which M. cceridea (Purple Molinia, or Purple 

 Melic) is the only species, is a rather coarse, stiff plant, some- 

 times 3 feet high, with 1 node near the base of the stem ; leaves 

 chiefly radical, long, linear, attenuate, rather stiff, without ligules ; 

 panicle 6—12 in long, narrow, loose, generally purplish, with 



CYNOSC'RUS CRISTATUS 



(Pasted Dog's-tail). 



