612 



GEMTS XXXIII. POMMEEEULLA. 



Triandrla Dlg^ynia. Seie: Syst: 



GrEH-. Chae. Spikes terminal, solitary, enveloped at the base by 

 a spathiform leaf: spikelets sub-sessile, about 6-flowered: flowers 

 closely imbricated, 2 lower ones 1 -paleaceous neuter, bermaphrodites 

 above similar, terminal one witbering : glumes 2, remote from^ the 

 flowers, very unequal, lower lanceolate, concave, muticous, a little 

 shorter than the .spikelet, upper minute subulate : valves 2, lower 

 herbaceous, concave, 4-cleft at the apex, keeled at the back, inner 

 lobes lanceolate-subulate, mucronately awned, outer ones larger, 

 wing-shaped, ovate-oblong : awn divaricate : upper valve 2-keeled : 

 scales 2, sub-falcate : stigmas plumose : caryopsis ovate-eUiptic. 



(1) P. coENircopLs;. (Linn.fil.) 



Linn. sp. I. 314.— Eoxb. 1. c. p. 331. 



Engram. Eoxb. Cor. II. t. 131.^-Beauv. Agr. t. 18, fig. 6. 



Spec. Chab. Glaucescent : root white, stoloniferous : culms 

 several : sheaths imbricated in two rows : leaves lanceolate, slightly 

 obtuse, sometimes sparingly ciliated at the base : spikelets alternate. 



A small rare grass, growing under bushes on dry uncultivated 

 ground. 



SECT. IX. FESTUCACEiE. 



Spikelets many- (seldom few-) flowered : glumes and paleae 2, 

 membrano-herbaceous, seldom coriaceous : lower one of the former 

 usually awned : awn not twisted : inflorescence panicled : scales 2, 

 membranaceous or thickish : stamens seldom less than 3 : cary- 

 opsis free or adherent. 



GENUS XXXIV. EEAGEOSTIS, 



Trlandria Dig'yiiia. Sex: Syst: 



Deriv. From Mros, love, and Agrostis, grass, alluding to the 

 dancing spikelets, whence the English name Love-grass. 



Gen. Chae. Panicle more or less compound or decompound, 

 occasionally spike-shaped or racemose : spikelets 2 or many -flowered, 

 more or less flattened : glumes 2, shorter than the spikelet, muti- 

 cous, 1 — nerved, deciduous : florets 2-valved : lower valve keeled, 

 3-nerved : upper reflexed, folded, bifid-toothed or entire, ciliated, 

 long persistent : scales 2 : stamens 2 — 3 : stigmas plumose. 



