464 GRAMINE® (Stapf). [ Holcus. 
XXIX. HOLCUS, Linn. 
scanener in rather dense, oblong or interrupted panicles, laterally 
compressed, disarticulating from the tips of the pedicels; rhacliilla 
s lightly produced beyond the upper floret, disarticulating more or 
less readily below the valves ; joints slender, lower curved and often 
than the glumes, chartaceous, very obscurely 5—3-nerved, lower 
awnless, upper awned. Pales narrow, 2-keeled. Lodicules 2, 
elicate. Stamens 3. Ovary glabrous; styles distinet ; stigmas 
plumose, laterally exserted. Grain laterally compressed, enclosed 
by the valve and pale and often adhering to the latter, soft; hilum 
short ; embryo small. 
Annual or perennial ; sito flat or convolute when dry; panicle usually more 
or less contracted, sometimes Se seit like ; spikelets deciduous, pallid. 
Species about 6 ; ommon in Euro but ee in many temperate 
countries ; 1 in So ia yrenty “the rest Mediterra n. ' 
The definition of Holcus, as given above, ex Iden wpe cespitosus, Boiss., an nd 
A: grandiflorus, Boiss. & Reut., which form Benthar ection Homalachne, and 
differ in having persistent glumes and perfectly seat phere the lower of which 
is mntens from the upper glume by an extremely short joint. 
; spikelets 12 lin. long; upper glume awned . a» (1) setiger. 
en spikelets 2 lin. long ; upper glume awnless | .. (2) mollis. 
1. H. setiger (Nees in Linnea, vii. 278); annual; culms slender, 
up to 2 ft. long, about 3-noded, glabrous ; leaf- sheaths Re or 
almost spike-like, 1-22 in. long; rhachis scabrid ; branches, braneb- 
lets and pedicels fine, hairy; spikelets ovate, 11-2 lin. long, pallid ; 
glumes almost equally long, seabrid, keels pectinate- -ciliate, margins, 
ciliolate below the tips, the lower narrow and subulate-acuminate, the 
p ; awn terminal, straight, 2-3 lin, long ; 
lower floret ¢, upper d or barren; lower valve obliquely ovate, 
in. long, subacute, smooth, shining, " glabrous or with a few hairs 
on the keel, very obscurely 5- nerved ; callus with a few long hairs; 
upper valve. small, very thin, awn eabte rminal, fine, often bent, much 
shorter than the awn of the Pal os clume; pale as long as the valve 3 ; 
anthers 1 lin. long. Nees, Fl. Afr. Austr. i, 9 ; Steud. Syn. Pl. Glum- 
i, . (partly) ; Durand § Schinz, Consp. Fl, Afr. v. 833. 
ESTERN REGION: ees Sarre. between Pedros Kloof and Lily 
Fonts 3000-4000 ft., 1 
oast REGION: Cage I Div v.; roadside at Camps Bay, Aisin 8 Dod, Ah posit 
Div ; 1000-2 “tie , Drége, 2582! Tu ie Div. ; Great Winter 
tain, a tellenbosch Div e Somerse + Whe, cake? Erverstale Div. 5 
r Zoetemelks ‘ie Burchell, 6700 
a is often an imperfect male lieve in the axil of the upper glume, 
