GRAMINEZ 185 
branches wavy, awn slightly bent, leaves filiform ; wood- 
sides, frequent. A. rhenana, Grml.; similar, but spike- 
lets much larger, panicle narrower; Schaffhausen. 
C. Rachis not produced ; awn bent in the middle, with 
swollen tip (Corynephorus, Beauv.):—A. canescens, L.; 
czespitose, leaves short, rigid; sandy places, rare; Schaff- 
hausen, Geneva, Dauphiny, Lombardy, Pyrenees. 
ro: HOLCUS, ° E. 
Spikelets 2-flowered ; lower flower not awned, upper im- 
perfect and awned ; stem and leaves very soft. Not alpine. 
Our two English species; 7. /anatus, L., tomentose, 
awn short; and mo/l/zs, L., villous at the nodes, awn very 
long; are common meadow-grasses. 
20. TRISETUM, Pers. 
Spikelets 2-6-flowered ; glume deeply bifid, awned. 
T. flavescens, Beauv.; panicle loose, spikelets often 
violet; meadows, common. 7. dstichophyllum, Beauv. ; 
panicle loose, stem 4-6 in. leaves stiff, flat; stony, 
alpine. TZ. argenteum, Sch.; panicle loose, stem up to 
4 in., leaves setaceous, channelled ; stony, alpine ; Grimsel, 
Ticino, Lombardy, Tirol, Styria, Carinthia, Salzburg. 
T. subspicatum, Beauv.; panicle spike-like, stem hairy 
above, spikelets yellowish-green ; high, alpine. 7. Gaudt- 
nianum, Boiss.; panicle spike-like, stem hairy above, 
spikelets variegated with violet; sandy places; Valais. 
21. AVENA, L. 
Spikelets 2-6-flowered ; flowering glume entire or bi- 
dentate, with a long twisted awn. 
