GRAMINEA# IgI 
alpine pastures, frequent. P. cenzsza, All. (pallens, Gaud.); 
panicle spreading, spikelets greenish-yellow ; alpine pas- 
tures, frequent. 
LD. Similar; but stolons short or 0; branches of panicle 
smooth :—/P. annua, L.; Meadow Grass; everywhere. 
P. minor, Gaud.; branches of panicle capillary, stem 2-6 
in.; alpine pastures, frequent. P. Jara, Henk.; spike- 
lets few-flowered, stem 3-6 in.; alpine pastures, frequent. 
P. pumila, Host.; panicle erect, leaves setaceous, con- 
volute ; Carinthia, Carniola, very rare. P. supina, 
Schrad., appears to be a mountain form of annua. 
£, Similar; but branches of panicle rough :—P. ¢rz- 
vialis, L.; meadows, common. VP. palustris, L. (serotzna, 
Ehrh.); leaf-sheaths smooth ; damp meadows. P. xemo- 
valis, L.; woods, common. FP. c@sza, Sm.; plant bluish- 
green, ligules covering the nodes; alpine rocks, local. 
35. GLYCERIA, A. Br. 
Spikelets many-flowered; flowering glumes convex, 
obtuse, not awned. Aquatic grasses. 
The English species; G. aquatica, Sm., with greatly 
branched panicles ; fluztans, Br. (including Alzcata, Fr.), 
with nearly simple panicle; and dzstans, Whlb., with 
very long and slender panicle; all in wet places, the 
last local. 
36. FESTUCA,, L. 
Spikelets 3- or more-flowered, in spikes or panicles; 
flowering glumes convex, acute, or awned at the tip; 
ovary usually glabrous. 
The following British species of Fescue Grass occur 
also in the lowlands of Switzerland :-—/. pratensis, Huds., 
