ctxil. CYPERACE^, 
^ulbosiylis.\ 
i6i 
Leaves pubescent, hardly half as long. Spikelets crowded into a 
head. Glumes pubescent, mucro longer. Nut larger, obovoid, 
transversely wrinkled, Hab. In similar localities to B. barbata, 
but much rarer, Singapore (Burbidge, Cantley); Changi. Malacca 
(Kunstler). Perak (Cantley). Penang (Curtis). Distrib. Ceylon, 
Indo-Malaya. 
8. SCIRPUS, Linn. 
Glabrous herbs, short or tall; leafless, or leafy at base only. 
Culms terete or trigonous. Spikelets i to many, terminal or lateral 
oblong or ovoid. Glumes spirally imbricate, lowest two and upper¬ 
most empty. Bristles scabrid 2 to 7, or o. Style bifid or trifid, 
slender, base not dilate. Nut obovoid trigonous or biconvex with 
no button at top. Species 125, all world. 
Spikelets i or more in a lateral head. 
Tall leafless plant; stem stout . . . . (i) S. mucronatus 
Spender leafy annual plants. 
Bristles o.(2) S. supinus 
Bristles 6 or 7. (3) S. erectus 
Spikelets solitary, terminal, on slender wiry stems . (4) S. Clarkei 
Spikelets very numerous in a large cor^^mb . . (5) S. grossus 
(1) S. mucronatus Linn. Sp. PL 73; Rchb. Ic. FI. Germ. viii. 40. 
L 303 ; Clarke in Hook. fil. F.B.I. vi. 657; RidL Mat. iii. 79. 
Culms 3 to 4 ft. tall, stout, triquetrous, leafless, except for a 
sheath with a small limb at base. Spikelets 6 or 7, in i or 2 heads. 
Bract 2 in. long, acute, erect like the continuation of the stem. 
Spikelets cylindric, -25 to -5 in. long. Glumes ovate miicronate, 
brown, edges pubescent. Bristles 6. Style trifid. Nut obovoid 
trigonous, black, smooth. Hab. Common in ponds and ditches. 
Whole Peninsula, Singapore, Chan Chu Kang; Thompson Road 
(Murton). Pahang, Pekan. Malacca (Griffith). Selangor, Klang; 
Kwala Lumpur; Ampang (Hume). Negri Sembilan, Seremban. 
Perak, Thaiping. Penang, Pulau Betong (Curtis). Setiil. Distrib. 
Europe and Old World tropics. 
(2) S. supinus Linn. Sp. PI. 73 (partly); Roxb. FI. Did. i. 217; 
Clarke in Hook. fil. F.B.L vi. 655; RidL Mat. iii. 79. 
Culms slender or very slender, solitary or tufted, 6 to 12 in. tall. 
Leaves narrow, one-fourth as long. Spikelets few in a single head, 
•25 in. long. Bract as in S. mucronatus but i to 3 in. long, very 
narrow. Glumes ovate, keeled, mucronate. Bristle o. Nut 
obovoid trigonous, wrinkled, black. Hab. Rare in rice-fields, 
Province Wellesley, Permatang Bertam. Kelantan Kota Bharu 
(Ridley), Distrib. Tropics generally. 
(3) S. erectus Poir. Encyc. vi. 761; Clarke in Hook. fil. F.B.I. 
vi. 656; RidL Mat. iii. 79. S. debilis Pursh, FI. Am. Sept, i, 55. 
S. juncoides Roxb. FL Did. i. 261. 
Culms solitary or tufted, slender or very slender, 6 to 24 in. long. 
Leaves few or reduced to sheaths. Spikelets solitary or 4 to 6, 
