144 
CLxn. CYPERACEJi. 
[Cypems, 
pound, primary rays corymbose at the ends or umbelled again. 
Spikes lax, *5 to 2 in. long. Spikelets linear, 6- to 20-flowered. 
Glumes yellow or brown, not imbricating, obovate obtuse very 
short. Nut triquetrous, yellow, much narrowed to base, nearly 
as long as the glume. Hah. Common in waste ground and rice 
fields. Whole Peninsula. Distrib. All warm parts of Europe, 
Africa, Asia, Australia. Native name : Rumput Tuloh Belalang. 
The dwarf annual form micro-iria, Steud., only a few inches tall is not rare. 
(11) C. pilosus Vahl. Enum. ii, 354; Clarke in Hook. fil. F.B.L 
vi. 609; Ridl. Mat. hi. 67. 
A rather stout plant with slender stolons. Culms flaccid or 
stiff, acutely triquetrous, i to 3 ft. tail. Leaves shorter, broad, 
•2 to *25 in. wide. Umbel short, compact to wide-spreading, rays 
generally few, i to 6 in. long. Bracts longer, secondary, umbels 
lax or very dense with innumerable spikelets, *25 in. long; rachis 
pilose. Glumes ovate blunt, usually red, keel green, loosely imbri¬ 
cate. Nut ovate acute, apiculate, triquetrous, yellow brown to 
black, three-fourths the length of the glume. Hab. Common in 
ditches and marshy wet ground. Wliole Peninsula, Singapore, 
Jurong; Gelang; Chan Chu Kang. Johor, Kluang (Holttum). 
Pahang, Pekan. Malacca. Selangor, Kwala Lumpur. Negri 
Sembilan, Kwala Sawar. Perak, Thaiping. Penang, Waterfall 
(Curtis). Distrib. Tropical Africa, Asia, Australia. 
(12) C. babakensis Steud. ZoU. Verz. Ind. Arch. ii. 62; Clarke 
in Hook. fil. F.B.L vi. 610. 
Whole plant i ft. tall. Leaves shorter than the triquetrous 
culm. Bracts long, 6 in. or more. Spikelets red, *25 in. 
long, condensed into dense heads i in. through, sessile with 
I peduncled rachis not pilose. Glumes boat-shaped, hispid, 
scabrous at top of keel. Nut hardly half as long as glume. Hab. 
Rare. Damp woods. Kelantan, Glam woods, Kota Bharu. 
Distrib. India, Java. 
This plant resembles C. pilosus, but has a dense umbel and is not pilose. 
(13) C. compressus Limi. Sp. PL 68; Clarke in Hook. fit. 
F.B.L vi. 605; Ridl. Mat. iii. 67. 
A tufted plant. Culms several or numerous, 6 to 12 in. tall, 
rather stout. Leaves nearly or quite as long. Bracts 3 to 8 in. 
long. Umbel simple, rays i to 3 in. long. Spikelets 3 to 10 in a 
cluster, '5 to -75 in. long, rather broad. Glumes ovate mucronate, 
silvery with a green keel, many-nerved. Nut obovoid obtuse, 
acutdy triquetrous, black. Hab. Very common in waste ground 
all over the Peninsula. Distrib. All warm parts of the world. 
Native name : Rumput Tiga Sagi. 
(14) C. Zollingeri Steud. Zoll. Verz. Ind. Archip. ii. 62; Syn. 
Cyp. 17: Clarke in Hook. fil. F.B.L vi. 613; Ridl. Mat. iii. 68. 
Rhizome short stout woody. Culms several, slender, i to 2 ft. 
