186 THE FLORA OF THE ALPS 
A. Spikelets at length drooping; annual plants :—A. 
Jatua, L., Wild Oat; common. A. strigosa, Schreb. ; 
very similar, but smaller and more slender; cornfields. 
A. nuda, L.; spikelets generally 3-flowered; cornfields, 
rare. 
B. Perennial; leaves and lower leaf-sheaths downy or 
woolly :—A. alfestris, Host.; spikelets 3-flowered, 3-6 in 
each branch of the panicle; Tirol, Styria. A. pubescens, 
L.; spikelets I-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. planz- 
culmis, Schrad.; leaf-sheaths flat, 2-edged; pastures ; 
Styria, Carinthia. A. Scheuchzeri, All.; leaves smooth 
on the upper side, spikelets 5-flowered, variegated ; alpine 
pastures. A. pseudoviolacea, Kern.; similar, but spike- 
lets 3-flowered, panicle looser; Tirol, rare. A. Par- 
latortt, Woods; panicle spreading, leaves stiff; high, dry 
(not in Switzerland). A. alpina, Sm.; panicle racemose, 
leaves very rough; dry; Tirol, Carniola. A. luczda, 
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. (elatzus, M. K.), False Oat; 
everywhere. 
