1 86 ' THE FLORA OF THE ALPS 



A. Spikelets at length drooping; annual plants: — A. 

 fatua, L., Wild' Oat; common. A. strigosa, Schreb. ; 

 very similar, but smaller and more slender; cornfields. 

 A. nucla,'L.; spikelets generally 3-flowered; cornfields, 

 rare. 



B. Perennial ; leaves and lower leaf-sheaths downy or 

 woolly: — A.alpestris, Host; spikelets 3-flowered, 3-6 in 

 each branch of the panicle; Tirol, Styria. A. pubescens, 

 L. ; spikelets 1-2 in each branch, leaves pubescent ; 

 pastures. A. amethystina, Clar. ; similar, leaves and 

 leaf-sheaths woolly; Southern Tirol, rare (Monte 

 Baldo). 



C. Perennial; leaves rough: — A. pratensis, L. ; pani- 

 cle nearly linear, leaves very rough; hill-sides. A.plani- 

 culmis, Schrad. ; leaf-sheaths flat, 2-edged ; pastures ; 

 Styria, Carinthia. A. Scheuchzeri, All.; leaves smooth 

 on the upper side, spikelets S-flowered, variegated ; alpine 

 pastures. A. pseudoviolacea, Kern.; similar, but spike- 

 lets 3-flowered, panicle looser; Tirol, rare. A. Par- 

 latorii, Woods ; panicle spreading, leaves stiff; high, dry 

 (not in Switzerland). A. alpina, Sm. ; panicle racemose, 

 leaves very rough; dry; Tirol, Carniola. A. lucida, 

 Bert. ; panicle simple, leaves very narrow ; Southern 

 Tirol, rare. A. montana, Vill. ; spikelets shining, violet; 

 Piedmont, Dauphiny, Pyrenees. 



22. Arrhenatherum, Beauv. 



Spikelets 2-flowered; upper flower bisexual, lower 

 male. Not alpine. 



A. avenaceum, Beauv. (elatius, M. K.), False Oat; 

 everywhere. 



