Gramineae. 171 



yiXVl.—DACTYLIS. 



DAC'TYLIS GLOMERA'TA (112). Cock's-foot Grass. 6—8. Stem 

 (1696) 2 — 3 ft., leaves broad rough, panicle distinctly branched green and 

 purple, spikelets in dense tufls many-flowered laterally compressed, 

 empty glumes 2 small lanceolate membranous unequal, outer palea 

 lanceolate with 5 ciliate nerves and a short awn, inner palea bifid. 

 Pastures and waste places, 



^X.\U.—KOELERIA. 



KOELE'RIA CRISTA'TA (81). 6—7. Stem 6— 12 in. slender downy, 



(1691) panicle compact i — 3 in. interrupted below silvery, spikelets oblong 

 compressed 2 — 4-flowered, outer palea acuminate, inner palea bifid. 

 Banks and pastures. 



-KXNlll.—MELlCA. 



Spikelets few ovate with i — 2 perfect awnless florets in a loose raceme 

 or panicle, empty glumes 2 nearly equal, outer palea convex entire. 



Spikelets drooping in a one-sided nearly simple 



raceme, M. nutans. 



Spikelets erect in a lax panicle, ..... M. uniflora. 



Mel'ica nu'tans (40). Mountain Melic-grass. 5—6. Spikelets large pur 



(1694) plish-brown drooping in a one-sided raceme. 



[G. {Cave Ha' Wood, Stackhouse), C. St. 

 MEL'ICA UNIFLO'RA {91). Wood Melic-grass. 5. Panicle only 



(1695) slightly drooping branched with few erect spikelets on long slendei 

 peduncles each spikelet with one perfect and one staminate floret. 

 Woods. 



^yilX.—MOLINIA. 



MOLIN'IA C/ERU'LEA (106). 7—8. Stem 1—2 ft. erect wiry, 



(1692) panicle narrow erect 2 — 8 in. with few narrow erect awnless dark 

 purplish I — 5-flovvered spikelets, empty glumes 2 much shorter than 

 the floret convex i -nerved, outer palea acute with 3 prominent nerves, 

 inner palea 2-nerved. Wet moors, etc. 



XXX.— FOA. 



Panicle usually loose, spikelets awnless 3- or many-flowered (rarely 2- 

 flowered), empty glumes 2 unequal keeled, lower i -nerved, upper 3-nerved, 

 outer palea 5 -nerved acute, inner palea bifid with acute ciliate nerves. 

 Stems smooth, 656 

 Stems rough, ..,,.... P. trivialis. 



656 Root annual, P. annua. 



656 Root perennial, 657 

 657 Stems round, 658 

 657 Stems compressed, . P. compressa. 



