CLXIII. GRAMINE^. 
205 
Ccelorrachis.'] 
Wellesley, Permatang Bertam. Penang, Balik Pulau (Curtis). 
Kelantan, river bank; Kwala Aring (Yapp). Disfrib. Malay 
isles, Burma. 
14 . MANISURIS, Sw. 
Annual, much branched, grasses. Leaves broadly cordate at 
base. Racemes numerous axillary and terminal, solitary pedimcled ; 
rachis fragile. Spikelets very small in pairs, i sessile, globose 
bisexual with 4 glumes, i pedicellcd ovate, i glume. Sessile 
spikclet; glume I hard globose pitted, with a large opening towards 
the rachis; glume II ovate, papery, filling the opening; glume III 
smaller, ovate; glume IV hyaline. Pedicelled spikelet flat. Glume 
I ovate sub-acute ribbed. Species 2, i in most tropical countries, 
the other Indian. 
(i) M. granularis Linn. fil. Nov. Gram. 37, t. 7, figs. 4 to 7. 
Bcaiiv. Agrost. t. 21, fig. lo; Hook. fil. l.c. F.B.L vii. 159; Ridl. 
Mai, iii, 163. 
Plant 12 to 13 in. tall, leafy. Leaves linear-lanceolate, hairy, 
3 to 4 in. long, -25 in. wide. Racemes -5 to i in. long. Spikelets 
very small. Hab. Very rare. Pahang, at Pulau Tawar (Ridley). 
Dislrih. Tropics generally. 
15 . HiEMARTHRIA, R. Br. 
Decumbent or ascending grasses; culms branched. Leaves 
linear. Racemes compressed, tips subulate. Spikelets in pairs, 
I sessile, i pedicelled pseudo-opposite, joints and pedicels fused 
into semi-cylindric internodes, not or late disarticulating; sessile 
spikelet 2-flowered, lower reduced to i glume, upper bisexual 
awnless. Glume coriaceous. Stamens 3. Pedicelled spikelet more 
elongate, acuminate, upper one mucronate or awned. Grain 
oblong. Species 8. Tropical Asia, i American also. 
(i) H. protensa Stead. Syn. Gram. 359. Rottboellia protensa 
Hack. Monogr. Androp. 289; Ridl. Mat. iii. 162. 
Stems leafy spongy, 18 in. tall. Leaves glabrous, 3 to 8 in. 
long, *25 in. wide, sheaths swollen, short, ligule white, bristly. 
Racemes numerous, solitary, in the leaf axils, rather thick and not 
fragile, 4 in. long. Spikelets -25 in. long. Sessile spikelet; glume I 
lanceolate, with a long scabrid point ; glume II similar, with a long 
awn-like point; glume III much sliorter. Hah. Rare, Kelantan 
on an island in the Kamposa River (Ridley). Distrib. India and 
Java. 
16 . MNESITHEA, Kunth. 
Perennial grasses. Leaves narrow. Racemes solitary, on long 
culms; rachis fragile, joints terete or thickened upwards. 
Spikelets in pairs, sessile, sunk in cavities of the joints, between 
them a narrow pedicel Math the rudiments of a third spikelet. 
Sessile ones i-floM"ered, unarmed. Glume I oblong-lanceolate 
