1146 BENGAL PLANTS. { Mariscus. 
lowest glume broadly ovate, many-veined, persistent on the 
rachilla, the next above shorter, broader, also many-veined, often 
deciduous with the spikelets; upper glumes 1 or more, much 
longer, 2-sexual, 3-veined on the keel. Stamens 3. Ovary ovoid ; 
style short; stigmas 3, capillary. Fruit a trigonous nut. 
Base of stem oblong, thickened by the turgid, membranous, coloured 
sheaths ; stolons 0; umbels contracted into a dense head...... Dregeanus. 
Base of stem not oblong or thickened by leaf-sheaths :— 
Rachilla of tei sy breaking up at the node above the two 
lowest empty glumes 
Annual, Aadde: ve elliptic, with a long, recurved mucro; 
spikelets sein sy 4 or more nuts squarrosus. 
Perennial 
Umbels init lowest glume of —— very acute, aristate ; 
spikelets bearing 1-2, rarely 3 or 4 
Rhizome emitting slender stolons :— 
Spikes dense ; spikelets all 1- fio OAL. su ec iicede ee paniceus. 
Spikes loose; spikelets 1-3-, but sally 2-flowered 
tenuifolius. 
= short; stolons 0; spikelets in fruit patent at right 
oe with 2-4 black nuts ; umbels senaacil into 1 head 
cyperinus var. bengalensis. 
Pee with 1-2 chestnut-brown ee umbels 1-5 in. in 
Sieberianus. 
Unie aa ee all obtuse ; tall plants with somewhat 
ongy stems and leaves 
 Bolkail oblong or babel bearing 3-6 nuts .......-- albescens. 
Spikelets subulate, bearing 4-14 nuts .............. microcephalus. 
Rachilla of spikelets, which bear several nuts, finally breaking Up 
into as many ae nts, each carrying 1 nut; perennial; stolons 9; 
rhizome yery shor ferax. 
poeear eee 
2433. Mariscus Drecranus Kunth; F. B. I. vi. 620. Cyperus 
dubius i. 189. 
C. Bengal, rar 
A glabrous herks 4-16 in. high; stems rather slender 
Beng. Chhota- ubi. 
2434, Mariscus SQUARROSUS Clarke ; F. B. I. vi. 6238. 
In most of the provin 
ces. 
A glabrous, tufted herb; stems 3-8 in. high. 
