438 CXLII. OEAMINE^. 



glume ; p.ilca smaller, 2-dentate, closely wrapping the stamens. 

 Upper flower hermaphrodite, smaller than tlie male, its flower- 

 ing glume and palea rigid. Grain enclosed in the hardened 

 flowering glume and palea. — JS^ees, I. c. p. 16. 



Elegant grasses, with slender panicles of silky, •white or rosy flowers. — 5 

 Cape species. 



Rhynchelytrum, Necs, I.e. p. 64, seems to be the same genus with rather 

 longer and harsher spikelets, and longer points or awns to the 2nd and 3rd 

 glumes. 



9. G-YMNOTHRIX, R. Br. 



Spikelets and flowers of Paniciim, but each spikelet sur- 

 rounded by an involucre of long, simple, unequal, awn-like 

 bristles, and all arranged in a long, cylindincal, simple and 

 dense spike or raceme. — Nees, I.e. p. 65 ; Bentli. I.e. p. 413. 

 4 Cape species. 



10. PENNISETUM, Beauv. 



Spikelets 2-flowered, spiked, each with an involucre of two 

 sorts of bristles ; the outer bristles short, slender, scabrous ; 

 the inner longer (very unequal), feathery in the lower half. 

 Outer glumes either 2, the lower minute ; or 1, the lower 

 being deficient ; membranous, subscarious, acute. Lower 

 flower male, mth flowering glume and palea, or neuter without 

 palea ; the flowering glume membrano-scarious, 3-fid. Upper 

 flower either hermaphrodite or female. Grlume and palea 

 convolute, papery, ciliate at the apex, hardening in fruit. 

 Grrain free, enclosed in the flowering glume and palea. — JS'eeSj 

 I.e. p. 70. 



1 Cape species. 



11. ANTEPHORA, Schi'eb. 



Spikelets 1-5, in a 4-5-fid hardening involucre, composed of 

 the united lower glumes, arranged in simple, unjointed spikes. 

 Second glume membranous, subulate, short ; supporting a 

 neuter, membranous flowering glume, and above it a herma- 

 phrodite flowering glume. Elowering glume and palea of the 

 fertile flower papery, concave, subequal, hardening in fruit 

 and enclosing the mucronulate grain. — Nees, I.e. p. 73. 



A . pubescens, Nees, foimd on the Grai'iep by Lichtenstein. 



SUBTEIEE 2. TeISTEGINE^. 



12. ARUNDINELLA, Eaddi. 



Spikelets 1-flowered or with a second (lower) male flowers 

 in a loose panicle. Grlumes 4 ; the 2 lowest empty, pointed, 

 but not awned ; the third smaller, similar, but often with a 



