lyo 



Graminese. 



BRO'MUS STER'ILIS (102). Barren Brome-grass. 7—8. Stem 

 (1738) I — 2 ft, smooth, panicle very slender drooping, spikelets with long 

 awns 2 in. nodding. Fields and waste places. 



BRO'MUS MOL'LIS (III). Soft Brome-grass. 5—6. Stem 1—2 ft., 

 (1942) panicle I — 3 in. erect close, branches very short, spikelets ovate downy, 



florets imbricated equalling the straight slender awn. Roadsides ana 



waste places. 



BRO'MUS RACEMO'SUS (85). Smooth Brome-grass. 7—9. Stem 



(1740) 2—3 ft., panicle 2 — 5 in. simple erect close slightly branched, spikelets 



(1 741) narrow ovate rough, florets imbricated equalling the slender straight 

 awn. Fields and waste places. 



XXl.—SFSLERIA. 



Sesle'ria caeru'lea (10). Blue Moor-grass. 4 — 5. Stem 6 — 18 in. erect 

 (1688) smooth, panicle bracteate compact spike-like ovate | — i in. bluish- 

 grey, empty glumes 2 unequal nearly as long as the 2-flowered spikelet, 

 outer palea keeled and jagged at the end with a very short awn. 



[G. {Settle, Malham Cove, Gordale.) 



yjai.—CYNosuRUS. 



CYNOSU'RUS CRISTA'TUS (112). Dog's-tail Grass. Gold seed. 



(1690) 7 — 8. Stem I — 2 ft., panicle spike-like long and narrow one-sided 

 rigid, spikelets in alternate bundles each with an involucre of stiff 

 subulate pectinately arranged empty glumes at the base, outer palea 

 mucronate. Diy pastures and banks. 



XXlll.—BF/ZA. 



BRI'ZA ME'DIA(io5). Quaking Grass. 6—7. Stem 6— 12 in. slender, 

 (1698) panicle loose with large ovate many-flowered spikelets pendulous at the 

 end of the long slender branches, empty glumes 2 equal convex, palea 

 without awns, styles short, stigmas feathery. Dry pastures. 



XXIV. —PHRA GMITES. 



PHRAGMI'TES COMMU'NIS (104). Common Reed. 7—8. Stem 



(1687) 6 — 10 ft. erect stout smooth, leaves broad flat rigid, panicle 10 — 18 in. 



loose and nodding soft dull purple, spikelets 3 — 5 -flowered, lower 



florets staminate only, the rest perfect and enveloped in long silky 



hairs. Marshes, rivers, and ponds. 



XXV.-TRIODIA. 



TRIO'DIA DECUM'BENS (103). Heath Grass. 7—8. Stem 6—12 



(1686) in. surmounted by a short panicle of a few 2-flowered spikelets on short 



undivided stalks, empty glumes 2 as long as the florets 3-ribbed, outei 



palea hairy at the base terminated by 3 teeth, inner palea nearly entire 



broad ciliate. Dr^ vioiiniain tastur^s 



