POA ANNUA. 
Linnezvus. Hooker anp Arnott. Situ. Parnett. GREVILLE. Koc. 
WILLDENow. Curtis. Martyn. STiInninGFLEET. Knapp. 
Scuraper. Host. Lerers. Enruart. Deakin. Sinciarr. LInpDuey. 
Kuntn. Macretent. Basrneton. ReicHenpacH. Dititwyn. 
Ratrs. Hupson. Wiruertnc. Hunt. Renan. SisrHorr. ABBOT. 
PLATE XL.—B. 
The Annual Meadow-Grass. 
Poa—Gvrass. Annua—An annual. 
THE commonest of all Grasses, growing in every conceivable 
situation, and flowering throughout the summer. Found in all 
altitudes up to four thousand feet. Nota profitable agricultural 
Grass. 
Found also in France, Italy, Switzerland, Germany, Spain, 
Portugal, Norway, Sweden, Denmark, Lapland, North Africa, 
North Asia, and in North and South America. 
Stem ascending, most procumbent at the base, smooth, flattish, 
bearing four or five smooth, flat, flaccid, sword-shaped, vivid 
green leaves, often crumpled on the margins, with smooth com- 
pressed sheaths; upper sheath longer than its leaf, having a 
thin membranous acute ligule at the apex. Inflorescence com- 
pound-panicled. Panicle upright, outline triangular and spreading. 
Branches smooth,’ mostly in pairs. Spikelets ovate-oblong, 
mostly of five to eight awnless florets, commonly tinged with 
green, white, and purple; apex of basal floret stretching beyond 
the large glume of the calyx. Calyx of two unequal acute 
glumes, three-ribbed, dorsal rib dentate above. Florets of two 
