54 
36. 
12. 
28. 
19. 
20. 
21. 
44. 
11. 
quite smooth, ending in two setæ, and 
Oryza. Glumes small, 
Mr. Woops on the Genera of European Grasses. 
Ampelodesmus. Spiculæ many-flowered, the lowermost perfect, unless 
when the inner glume is changed into an imperfect floret. Outer glume 
rather the smallest. Palea with a sub-apiculate awn. Seed crested! 
Panicle diffuse. 
H. Spiculæ scattered, 1-flowered, without glumes. 
Leersia. Pales ribbed, herbaceo-membranous, of equal length, nearly 
valvular; the outer boat-shaped, unarmed. 
Coleanthus. Palese membrano-scariose. The outer twice as long as the 
inner, setigerous. Stamens 2. 
Lygeum. 
I. Spiculæ scattered, 1-flowered, in a spike-like panicle or head. 
Achnodon. Spiculz spindle-shaped. Glumes equal, boat-like, unarmed, 
including. Outer palea unarmed, embracing the inner, of equal length. 
Phleum. Spicule oblong. Glumes nearly equal, setigerous, parallel on 
the keel, including 2 unarmed paleæ. 
Alopecurus. Glumes equal, unarmed, generally united at the base! 
Palea 1, the margins in some species united below! Awn dorsal. 
. Crypsis. Head or spike included in most Species in a common involu- 
crum. Glumes membranous, unarmed. Paleæ membranous, unarmed, 
as long as the glumes. 
C. aculeata has only 2 stamens, C. alopecuroides a naked spike. 
23. Gastridium. Glumes ventricose at the base! including. Paleæ sca- 
riose. 
Lagurus. Glumes scariose, ending in a long fringed seta. Outer palea 
: an intermediate geniculate and 
twisted dorsal awn, 
Lappago. Outer glume Scariose; inner coriac 
eous and prickly. 
Polypogon monspeliense and maritimum. | 
K. Spiculæ 1-flowered, scattered, in a loose panicle. 
separate from the floret and from each other. 
Stamens 6. 
