tAMIXA. 87 
SPECIES I.— TRIO DI A DECUMBENS. Fal.de Beam. 
Plate MDCCXLV. 
IRekh. Ic. Fl. Germ, et Heir. Vol. I. Tab. CLXYI. Fig. 433. 
Billot, Fl. Gall, et Germ. Exsicc. No. 1376. 
Poa decnmbens, With. Sm. Engl. Bot. ed. i. No. 792. 
FestTica decumbens, Lmn. Spec. Plant, p. 110. 
Dantbonia decumbens, B.C. Qren. & Godr. Fl. de Fr. Vol. III. p. 561. Pari Fl. 
Ital. Vol. 1. p. 297. Crep. Man. Fl. Belg. ed. ii. p. 344. 
Sieglingia decnmbena, Bemh. GarcJce, Fl. von Nord- nnd Mittel-DeutscLland, ed. vi. 
p. 488. Gren. Fl. de la Chaine Jurass. p. 905. 
CiEspitose. Stem at first decumbent, afterwards ascending or 
erect while in flower, slightly compressed, smooth, leafy to above the 
middle and frequently up to the panicle. Leaves rather rigid, nar- 
rowly linear, flat at the base, channelled towards the apex, keeled, 
with numerous strong veins, rough on the edges, glaucous above, 
green beneath ; sheaths thmly pubescent, bearded at the apex ; Mgule 
composed of short hairs. Panicle subracemose; panicle-branches 
erect, 1- to 3-flowered. Pedicels about as long as the spikelets or 
longer, slightly thickened upwards. Spikelets few, ovoid, scarcely 
compressed, green, slightly tinged with violet, 3- to 5-flowered. 
Glumes about as long as the florets, acute, 3-nerved. Lower pale 
3 -toothed at the apex, the central tooth sometimes produced into a 
On hilly pastures, heaths, and more rarely in meadows. Rather 
common, and generally distributed. 
England, Scotland, Ireland. Perennial. Summer. 
Stems 6 to 21 inches long. Leaves 1 to 6 inches long by to | 
inch broad. Panicle j to 2 inches long, with 3 to 15 spikelets. 
Spikelets 5 to f inch long, erect and adpressed to the rachis. 
Decumbent Heath-Grass. 
Frencb, Banthorne demmhante. GermaD, Lle-jeiuh SieQloxjle. 
Wberever this grass occurs it is an indication of great poverty of soil ; it is a decided 
pasturage wiU be but of little value : so little, indeed, that with many good farmers 
tillage 
GENUS XXVIIL-^K O E L E R I A. Pers. 
Spikelets shortly stalked, laterally compressed, arranged in a sub- 
cylindrical spikelike panicle, or in a contracted lobed panicle, ^v-ith 
