Mr. Woods on the Genera of En rope an Grasses. 53 



37. Cynodon. Spiciilœ 1-flovvered, with an interior rudiment. Spikes fin- 

 g-ered. Glumes unequal, membranous. Paleee membranous. 



38. Dacfi/loctenium. Spieuke 2 or more flowered. Spikes fingered. Inner 

 glume mucronate. Palece unequal, the outer v^entricose, membranous, 

 the inner scariose. 



39. Leptochloa. Spiculae 2 or more flowered. Spikes in a raceme. Glumes 

 keeled. Outer palea keeled, 3-nerved. Awn straight. 



40. Bechnannia. Spikes disposed in a raceme. Spiculee unarmed, 1 — 2-flow- 



ered. Glumes equal, deeply navicular, enlarging towards the apex, very 

 obtuse. 



41. Spart ina. Spikes disposed in a raceme. Spicidœ 1 -flowered. Glumes 



very unequal, the inner acuminate. 

 .57. Oreochloa. Spiculee many-flowered, in a simple spike or head. Glumes 



and outer palea concave, membranous, with a scariose margin. 

 75. Nardus. Glume ! Outer jjalea keeled, and ending in a subulate point. 



Style 1. Stigma 1. Spiculye quite sessile. Spike simple. 



Knnppia minima. Triticmn Nardus and unilatérale. Festuca maritima and divaricata. Scle- 

 rochloa loliacea. 



F. Spiculee sessile, in a head or spike tiled all round. 

 .")6. Sesleria. Outer palea membrano-scariose, ending in three or five soft 



flexible teeth. Stigmas long. Styles united below. 

 74. Echinaria. Outer palea herbaceo-coriaceous, ending in several long rigid 



sette. 



G. Spiculee scattered, 1 or more flowered. The florets enveloped in 

 long silky hairs. 



33. Arundo. Glumes membranous, equal, or the outer largest. Paleee mem- 

 branous. Awn, if any, fine and slender. Panicle spreading. 



34. Ammophila. Spiculee 1 -flowered, with an interior rudiment. Glumes 

 nearly equal, membrano-scariose. Outer palea membranous, with a short 

 strong point below the apex. Panicle spike-like. 



35. Phragtnites. Spiculee many-flowered, the lowermost imperfect, and not 



enveloped in hairs ! Glumes membranous, the outer much the smallest. 

 Paleee scariose, unarmed. Seed hairless. 



