2o6 clxiii. GRAMINE.E. [MnesWiea. 
coriaceous, margins incurved; glume II thinner, lanceolate; glume 
III ovate, empty or paleate; glume IV bisexual. Species 3 or 4, 
tropical Asia. 
Leaves and culms glabrous; glume I not pitted . . (1) M. geminata 
Leaves and culms glabrous; glume I deep pitted . (2) M. cancellata 
Leaves and culms pubescent; glume I pitted ciliate . (3) M. pubescens 
Leaves and culms pubescent; glume I not pitted . {4) M. rupincola 
(1) M. geminata Ridl. Mat. hi. 163. RottboeUia geminata 
Hack. Oesterr. Bot. Zeitschr. 1891, p. 48 ; Hook. fit. F.B.I. vii. 
159 - 
Slender grass, 3 ft. tall, nodes bearded. Leaves chiefly tufted 
at the base, 10 to 12 in. long, -25 in. wide, glabrous, mouth of sheath 
ciliate. Raceme slender, fragile, 2 in. long, on a long slender 
culm, joints of rachis short, thick dilate upwards, cliannelled 
one side. Glume I lanceolate acuminate as long as joint, hard base 
pubescent, *25 in. long; glume II thinner, lanceolate cuspidate; 
glume III shorter, ovate. Hab. Rare, open sandy country, Pahang 
at Pekan and Riimpin (Ridley). Distrib. Borneo. 
(2) M. cancellata Ridl. RottboeUia cancellata Ridl, Journ. 
Roy. As. Soc. S. Br. 59, p. 228. 
A wiry tufted grass over 2 ft. tall. Leaves linear acuminate, 6 
to 8 in. long, -25 in. wide or less, glabrous, sheaths and ligule hairy. 
Racemes solitary, on long slender culm 1-5 in. long, slender, 
over I in. long; internodes of rachis excavate, glabrous. Spikelets 
2, fertile, one as long as the internode. Glume 1 stiffly coriaceous 
ovate, subacute not winged, cancellate all over; glume II similar, 
but shorter; glume III oblong, very thin. Pedicelled spikelet of 
3 glumes, 2 outer ones connate lanceolate. Glume I bifid. Hab, 
Sandy heaths, Setul (Ridley). 
(3) M. pubescens Ridl. Journ. Roy. As. Soc. S, Br. 44, p. 207; 
Mat. hi. 163. 
Stems 3 ft. tall, nodes ciliate. Leaves 6 to 12 in. long, -25 to 
•5 in. wide, pubescent. Racemes slender, on 4 in. long culms, 
solitary, 1*5 in. long, yellow; joints of rachis dilate upwards, 
bearded at base. Spikelets with a narrow linear pedicel between 
them longer than the internode. Glume I ovate-lanceolate acute, tip 
curved, base channelled with four or five grooves and numerous linear 
perforations from each of which rises a bristle; glumes II and III 
lanceolate. Hab. Rare, Johor on rocks at Minyak Buku near Batu 
Pahat (Ridley). 
(4) M. rupincola Ridl. Journ. Roy. As. Soc. S. Br. 57, p. 116. 
RottboeUia Helferi Hook. fil. F.B.I. vii. 158. 
Tufted grass 18 to 24 in. tall. Leaves linear, long, acuminate, 
I ft. long, '75 in. wide, hairy beneath and on edges, ligule short, 
hairy. Culms paired, slender, from upper axils, glabrous, 2 to 
4 in. long. Racemes 3 in. long, slender, creamy-yellow; rachis 
joints short turbinate, tip silky hairy. Spikelets 2, one narrow 
