Arundinella.} GRAMINE® (Stapf). 449 
between the keels; lodicules and stamens as in the ¢ sr ae gas 
Syn. Pl. Glum.i. 114 ; Durand & Schinz, Consp. Fl. Afr. 
Coast RrGion: George Div.; along the Nuakamma River, oe bee 
Viten <i Div, gfe rtkops River, on Mountains aie the Van Stadens River, 
cklon ; Uitenhage, Zeyher ! Komgha Div ag f the Kei River, below 500 
fy, Drége ! Catheart Div. ; Old Kat Berg Pas 5200 ft., Galpin, 2 2415! Queens- 
town Diy. ; Shiloh, along the river, 3500 ft., Bar, 883! 
E.S.C.A. , 303! 
STERN REGION: al; on the banks of rivulets between nt Urinal River 
and hagas ig! Drége ! Riet Vlei, 4000-5000 ft., Bue nan, 275! Um 
pum — Hae 2000 ft., Buchanan, 274! and be Fry porn Bs locality, 
ae. be a 
Very ¢ rai ci ed to A. brasiliensis, Raddi, a very polymorphic species 
vii 785 oe tropical Asia and America. (See Hook. fil., Flora of Brit. India, 
A. rigida (Nees, Fl. Afr. Aus tr. Pet from the Kamies Bergen, Namaqualand, 
seems to be a hairy state of A. Eck 
XXIV. TRICHOPTERYX. Nees. 
Spikelets usually 2-18 lin. long, more or less lanceolate to linear, 
pedicelled, panicled; rhachilla disarticulating between (and less 
readily below) the valves, glabrous, not produced beyond the upper 
ret. Florets 2 , heteromorphous ; lower @, rarely barren ; upper ¢. 
or subcoriaceous, unequal, 3- (very 
of% 
n 
twisted below. Pales membranous, 2-keeled, narrower in the 
$ floret and channelled between the stout keels. Lodicules 2, 
cuneate, usually very fleshy. Stamens 2, rarely 3, or 0 in the 
lower floret, Ovary oblong, glabrous, A Ne in the ¢ floret ; 
Grain obovoid to linear-oblong, Seon: or almost terete, tightly 
embraced by its valve and pale, free ; hilum linear, long ; embryo 
large ; albumen mas ard 
_ Perennial, rarely a of very different habit; leaves more or less 
nigid ; = apse ‘ine of i  apfkcleta slender, from 2 lin. to 1} in. long, scattered 
™m mostly contracted, narrow panicles. 
ai Ppeciee ie in eat Africa, extra-tropical South Africa, and in Mada- 
Spikelets —- Ea longs valve of 4 Gade, not bearded 
ae 
oat 3 “floret 3-nerved; culms erect, simple, never 
suff 
Valve of fo fovek 7+ to sub-5-nerved ; callus 2.toothed 
g 1) simplex. 
org floret distinctly 9-nerved ; callus very acute (2) flavida. 
ia et 8 fret sub-Tenerved; suffrutescent ...  ... (8) ramoss. 
- ae chee valve of ¢ long bearded below the 
ae iddle ; ‘el aed slender, ee leaves short, 
Vou. vit. Geiaee ie 
