476 GRAMINEM (Stapf). [ Avenastrum. 
a smaller plant with a much eo reg shorter pee and a maar’ or 
very scantily hairy rhachilla. e African species of Avenastrum repre 
series of very closely allied ria fe definition of which is it difficult ae mill 
not quite satisfactory. 
6. A. antarcticum see ge Sag sie cespitose with numerous 
barren shoots; eulms 1j—- long, glabrous, 3-noded, bes 
2-3 internodes more or ne exserted : leaves few near 
base, about 3 ft. higher up, distant; sheaths terete, tight, abot 
or with fine spreading hairs, smooth or scaberulous, the lov 
persistent ; ligule oblong, up to 14 lin. long; blades very ane 
linear, tapering to an acute point, usually involute, subsetaceous, the 
lower 2-9 in. long, subrigid, rarely flaccid, glabrous or hairy, 
finely nerved, smooth or scaberulous ; panicle contracted, linear, 
erect, stiff or fiexuous, 5-7 in. Jong, lower branches in pairs, unequal, 
the longer up to 2 in. long and to 8-spiculate, erect or suberect, 
scaberulous ; spikelets 31-51 lin. long, greenish, loosely 3—4- flowered ; 
glumes lanceolate, acuminate, very unequal, the lower 2-3} lin., the 
upper 8-44 lin. long; rhachilla joints up to 1-1 lin. long; glabrous 
or scantily and shortly hairy towards the tips ; ; te long exserted, 
lanceolate, acuminate, the lower 3-4 lin., rarely 5 lin. long, 
glabrous, light green, seaberulous, tips scarious, 2-toothed or bifid, 
the teeth usually produc ced into very fine and short bristles ; callus 
very short, minutely bearded; awn from the middle, fine, column 
pallid, 2— 32 lin. long, bristle 3- “42 lin. long, horizontally spreading oF 
reflexed ; pales Ii me lin, long, keels ciliolate or ciliate; anthers 
41-1 hin. ‘, ong ; ovary pubescent below ah Ra eerie top. Avena 
antaretica, Tian. Prodr. 22; Fl. Cap. ed. Schult, 117; Roem. § 
chult. Syst. ii. 676; Kunth, Enum. i. Te A, Tsontnil, Steud. 
in Hlora, 1829, aoe: ” Kunth, Rév. Gram. ii. 521, t. 175; Enum. 
i: rin. Gran, uppl. 2 Trisetum antarcticum, "Nees an 
Linn vii. 307; Fl. Afr. Austr. 346 (parth y); Steud. Syn. Pl. Glum.1. 
; Durand & "Schinz, pert Fl. Afr. v. 838. Danthonia leonina, 
wy ex Kunth, Enum, i. 303. 
Co poe REGION My tain, Rega 928! Signal Hill near 
Lion Battery, Wolley es 27 ! Table Mountaio, Pappe! near Maitland d Station, 
Wolley Dod, pate house, Wolley eee! Nig 4! ee 3 
Zw F100. 2000 ft ; 
- ste Bie ; near the Zoetemelks se Burchell,  GopAt Uitenhage Div. 5 
artkops River, Ecklon. Albany we near Grahamstown, MacOwan, 1302" 
Gieafillive. 1600 ft., Drége. spt ag oe near Komg gha, Flanagan, 935 « 
Queenstown Div. ; Finchams Nek, aed Cdacanlg n, 4000 ft., Galpin, 2381! 
hs ~ leonina seems to be a shade form with flaccid leaves and slightly larger 
spikelet 
— St nee oe pa, Trin. ex Steud. Nom. ed ii. i. 173 (Trisetum hirtwm, Nees, 
Fl. Afr. Austr, 350), was described from specimens ‘collected by Ecklon in virgin 
for hong on ONhicis Hook near the Boschesman River, and is ibly a state 0 
A. antarcticum. Ihave ~ seen these pact, bat Drége’s example in the 
Liibeck Herbarium was named “T. hirtum,” and answers ee ie well - 
description. Another nla named T. hirtum by Nees in Linne xx. 29% 
from the Zwarte Bergen, Caledon Div., is undoubtedly A. antarcticu 
