204 CLXIII. GRAMINES. [Ischmmum. 
the hairy base and sheath, or altogether hairy, i to 4 in. long, 
•12 to *25 in. wide. Racemes 2, at first appressed, then spreading, 
2-5 in. long, green, on a long slender peduncle. Spikelets -i in. long. 
Glume I ovate or lanceolate acuminate, thinly cartilaginous, back 
hairy; glume II as long, shortly awned; glume III lanceolate thin ; 
glume IV shortly bifid, awn short, very slender, -15 in. long. 
Pedicels and rachis with short white hairs. Hab. Common in grass 
plots and roadsides, whole Peninsula. Distrib. Indo-Malaya, 
Polynesia. 
This also is often attacked by Ustilago tonglinensis, Tracy. 
(15) I. Beccarii Hack. Monogr. 217; Ridl. Mat. in. 160. 
Perennial 2 to 3 ft. tall, slender, nodes glabrous. Leaves linear 
acuminate, I ft. long, -25 in. wide, glaucous beneath, sparsely 
hairy or glabrous. Raceme solitary, narrow, 2 in, long, green, 
erect, internodes of rachis and pedicels ciliate, sessile spikelets 
•3 in. long. Callus short-bearded. Glume I thin lanceolate, 
tip 2-toothed, teeth ciliate; nerves 5; glume II lanceolate concave, 
awnless; glume III lanceolate acuminate; glume IV oblong bifid, 
awn slender i in. long. Hab. Rare. Selangor, on the top of the 
limestone rocks at Batu Caves (Ridley). Distrib. Borneo. 
This grass also appeared one year as a weed in the Botanic Gardens, Singa¬ 
pore. 
13. CCELORRACHIS, Brongn. 
Robust broad-leaved grasses. Leaves linear acuminate, thin. 
Racemes solitary, on long slender pedicels, numerous; rachis 
jointed, fragile terete. Spikelets in pairs, awnless, sessile, sunk 
in a groove in joint, bisexual, i- or 2-flowered. Glume I ovate- 
oblong coriaceous; glume II thinner acute; glume III hyaline; 
glume IV bisexual. Pedicelled spikelet less coriaceous. Species 
about 12, both hemispheres. 
(i) C. glandulosa Stapf. MSS. Rottboellia glandulosa Trin. 
Mem. Acad. Petersb. Ser. 6, xi. 250; Hack. Monogr. Androp. 302; 
Hook. fit. F.B.l. vii. 157; Ridl. Mat. iii. 161. 
A large stout tufted grass 3 to 8 ft. tall, branching, nodes bearded. 
Leaves 9 to 18 in. long, 75 to i in. wide, linear long acuminate, 
glabrous, edges scabrid, mouth of sheath often bearded. Racemes 
3 or 4 in. long, fragile, slender sheaths; pedicels 6 in. long; joints 
of rachis nearly as long as spikelet, ribbed, pubescent, bases nar¬ 
rowed. Spikelets *25 in. long, yellow. Sessile one; glume I ovate- 
lanceolate, winged at top pubescent, edges incurved, tubercled at 
base; glume II boat-shaped, acute, smooth, keeled; glume III 
ovate. Pedicelled spikelet reduced to i lanceolate ribbed glume. 
Hab. River banks, not rare. Singapore, Bajau; Changi. Johor, 
Tanjong Surat (Kelsall); Kota Tinggi. Pahang, Pekan; Tahan 
River (Ridley). Malacca (Griffith). Selangor, Bukit Kudah. 
Perak, Thaiping (Wray); Bujong Malacca (Curtis). Province 
