125 



POA ALPINA. 



Linnjeus. Hooker and Arnott. Smith. Parnell. Koch. Lindiet. 



Knapp. Willdenow. Lightfoot. 



Schrader. Host. Wahlenberg. Deakin. Sinclair. Macreight. 



Eunth. Babington. Ealfs. 



PLATE XXXIX. B. 



Poa emtio., Smith. 



" glomerata, ' Don. 



The Alpine Meadoiv-Grass. 

 Poa — Grass. Alpina — Alpine. 



An early useless Grass, generally growing at from, three to 

 four thousand feet elevation. 



In England, found in Yorkshire; Wales, Caernarvon; Scot- 

 land, Perth, Forfar, Aberdeen, and Inverness. 



Native of France, Italy, Germany, Switzerland, Russia, Nor- 

 way, Sweden, Lapland, Iceland, Greenland, and North America. 



Stem upright, circular, smooth, bearing two or three short 

 flat leaves, with smooth striated sheaths; upper sheath much 

 longer than its leaf, and having a lengthy membranous ligule 

 at the apex. Upper leaf folded, compressed, and rounded behind 

 the apex. Joints two, smooth. Inflorescence panicled. Panicle 

 compact and erect. Branches rough; basal one in pairs. Spike- 

 lets broadly-ovate, commonly viviparous. Usually four awnless 

 florets; summit of basal floret extending beyond the calyx. 

 Calyx of two broad equal glumes, three-ribbed. Keels minutely 

 dentate. Florets not webbed, of two paleee; basal exterior one 



