THE GENERA AND THEIR SPECIES. 123 



erect, leafy below, bare and purplish above. Leaves short, 

 broad, rough, blade folded. Sheaths long, ribbed, smooth, upper- 

 most very long and tumid ; ligule lanceolate. Spike compact, 

 blunt at apex, tapered at base, green and white. Spikelets oval, 

 numerous, glaucous, with one floret, like the rest of the genus. 

 Glumes equal, acute, lanceolate, rough, fringed on keel, awn very 

 short or absent. Outer palea broad and short, crenate, ribbed and 

 membranous ; inner palea as long as outer, smooth and ribbed. 

 Anthers short, filaments long, 



Poa. Plates xxvi. to xxx. FESTUCE/E. 

 Stems and sheaths bulbous. 



g^.bulbosa 15 in. Bulbous Meadow Grass. Uppermost 

 leaf shorter than sheath. 



Stems and sheaths not bulbous. 

 Florets webbed. 

 S8. pratensis 24 in. Smooth - stalked Meadow Grass. 



Ligule short and rounded, broader than 

 long ; stem rounded. 



89. trivialis 24 in. Rough - stalked Meadow Grass. 



Ligule long and pointed. 



Sy.compressa 12 in. Flattened Meadow Grass. Ligule 

 prominent, short and blunt ; stem oval. 



90. nemoralis 36 in. Wood Meadow Grass. Ligule minute or 



absent. 



Florets not webbed. 

 Florets hairy at base. 



81. maritima 12 in. Sea Meadow Grass. Outer palea five- 

 ribbed ; uppermost node below middle of 

 stem ; small glume reaching base of 

 second floret ; rachis smooth. 



