CXLII. GRAMlNEiE. 453 



standing apart. Outer glumes 2, subequal, membranous, 

 ovate-oblong, subacute, concave, rather shorter than the 

 flowers ; lower 4-7-nerved, upper 3-5-nerved. flowering 

 glume obovate, 2-fid, pointless or mucronate, 9-nerved, con- 

 cave, membranous, pellucid at tip, ciliate on back and margin ; 

 palea subequal, oblong, acute, 2-nerved. G-rain obovate, gla- 

 brous. — Nees, I.e. p. 420. 



Tufted, annual grasses, with narrow leaves, more or less hairy, — 4 Cape 

 species. 



68. UROCHL^NA, Nees. 



Spikelets many-flowered, in an ovate, spike-like raceme. 

 Grlumes all herbaceous, tapering into flexuous bristles ; the 

 outer 5-nerved. Flowering glume 7-9-nerved, hairy at base ; 

 palea enfolded, 2-toothed. G-rain glabrous, free. — Nees, I. c. 

 p. 437. 



U. pusilla, Nees, the only species, a small annual of dry ground, with 

 knee-bent culms ; the spike bracteate by the dilated sheath of the upper 

 leaf, and falling witli it. 



69. LASIOCHLOA, Kth. 



Spikelets in close panicles, 2-4-flowered, the glumes dis- 

 tichous, callous at base, on an articulated rachis. Outer 

 glumes subequal, 5-nerved, convex, longer than the flowers, 

 herbaceous, on the outside (mostly) papillose-pilose. Flower- 

 ing glume 9-nerved, convex, herbaceo-membranous, acute or 

 mucrouate ; palea shorter, 2-keeled, sometimes subciliate. 

 G-rain glabrous, free. — JVees, I. c. p. 430. 



Tufted grasses, all South African, witli narrow leaves and glomerate 

 panicles. — 7 species. 



70. BRIZOPYRUM, Link. 



Spikelets many-flowered, compressed, in simple or com- 

 pound spikes, subsecund. Outer glumes herbaceous, nerved, 

 subequilateral, the lower many-nerved. Flowering glume 

 convex, rigid at base, obsoletely nerved, more or less clothed 

 with clavate hairs, at the apex herbaceous, 5- or more nerved, 

 acute. Ovary glabrous, stipitate. Grain free. — JVees, I. c. p. 

 369. 



Kigid grasses. — 4 Cape species^ 



71. MELICA, Linn. 



Spikelets 2-5-flowered, 2-3 of the upper glumes neuter, all 

 pointless, panicled or subracemose. Outer glumes 2, rigidly- 

 membranous, about as long as the flowering, often very ample, 

 with a wide margin, the upper one 7-9-nerved. Fertile 



