118 



POA RIGIDA. 



Linnjeus. Hooker and Abnott. Smith. Parnell. 



Greville. Willdenow. Curtis. Knapp. Schrader. Host. Hudson. 



Withering. Hull. Relhan. Sibthorp. Abbot. Deakin. 



plate xxxv. — li. 



Sclerochloa rigida, Beauvois. Link. Lindlet. 



" " Babington. 



Festuca " Kunth. Koth. 



Glyceria " Smith. Ralfs. Reichenbach. 



The Hard Meadow- Grass. 



Poa — Grass. Rigida — Rigid. 



This diminutive British Grass grows on walls, rocks, and in 

 barren soil, and is therefore of no use to agriculturists. 



A frequent Grass in England, Ireland, and south of Scotland. 



Native of France, Italy, Germany, Switzerland, and Northern 

 Africa. 



Stem near the base decumbent, otherwise upright; circular, 

 polished, and striated, having four or five linear, narrow, pointed, 

 involute leaves, with smooth striated sheaths; upper sheath 

 shorter than its leaf, and having at the apex a lengthy pointed 

 ligule. Joints smooth, and three or four in number. Inflores- 

 cence simple-panicled. Panicle rigid, upright, short, lanceolate, 

 rough, rigid, and unilateral. Spikelets linear, compressed, 

 mostly consisting of seven florets; the apex of basal floret 

 stretching slightly beyond the large glume of the calyx. 

 Calyx of two acute unequal-sized glumes, destitute of lateral 

 ribs. Florets of two paleae; exterior one of basal floret five- 



