37. 
38. 
39. 
40. 
41. 
b7. 
75. 
56. 
74. 
33. 
34. 
35. 
Mr. Woops on the Genera of European Grasses. 53 
Cynodon. Spicule 1-flowered, with an interior rudiment. Spikes fin- 
gered. Glumes unequal, membranous. Paleze membranous. 
Dactyloctenium. Spicule 2 or more flowered. Spikes fingered. Inner 
glume mucronate. Pale unequal, the outer ventricose, membranous, 
the inner scariose. 
Leptochloa. Spicule 2 or more flowered. Spikes in a raceme. Glumes 
keeled. Outer palea keeled, 3-nerved. Awn straight. 
Beckmannia. Spikes disposed in a raceme. Spicule unarmed, 1—2-flow- 
ered. Glumes equal, deeply navicular, enlarging towards the apex, very 
obtuse. 
Spartina. Spikes disposed in a raceme. Spicule 1-flowered. Glumes 
very unequal, the inner acuminate. 
Oreochloa. Spiculæ many-flowered, in a simple spike or head. Glumes 
and outer palea concave, membranous, with a scariose margin. 
Nardus. Glume 0! Outer palea keeled, and ending in a subulate point. 
Style 1. Stigma 1. Spiculæ quite sessile. Spike simple. 
Knappia minima. Triticum Nardus and unilaterale. Festuca maritima and divaricata. Scle- 
rochloa loliacea. 
F. Spiculæ sessile, in a head or spike tiled all round. 
Sesleria. Outer palea membrano-scariose, ending in three or five soft 
flexible teeth. Stigmas long. Styles united below. + 
Echinaria. Outer palea herbaceo-coriaceous, ending in several long rigid 
setæ. 
G. Spiculæ scattered, 1 or more flowered. The florets enveloped in 
long silky hairs. 
Arundo. Glumes membranous, equal, or the outer largest. Pales mem- 
branous. Awn, if any, fine and slender. Panicle sprending- 
Ammophila. Spiculæ 1-flowered, with an interior rudiment, . 
nearly equal, membrano-scariose. Outer pare membranous, with as 
strong point below the apex. Panicle spike-like. 
Phragmites. Spiculæ many-flowered, the lowermost imperfect, and not 
allest. 
enveloped in hairs! Glumes membranous, the outer much the sm 
Paleæ scariose, unarmed. Seed hairless. 
