Mariscus. | ,OLXXIL OYPERACEX. (C. B. Clarke.) 623 
Var.?8 khasiana ; spikelets small obtuse yellow bearing 1 deciduous nut.— 
Fast Bengal, Grifith; Khasia Hills; Shillong, alt. 4000 ft., C. B. Clarke. 
, Sect. 2. Pseudo-cyperus. Glumes in fruit scarcely imbricate (but per- 
sistent). Spikelets bearing 4 (or more) nuts. (Sp. 8-10.) 
8. M. ischnos, C. B. Clarke; umbel of 1-3 spikes nearly (or quite) 
agglomerated into 1 head, spikelets oblong bearing 4-7 nuts dirty-white, 
thacheola very narrowly winged, nut oblong-ellipsoid 4 length of glume. 
Sen ischnos, Schlecht. in Bot. Zeit. vii. 99; Boeck. in Linnea, xxxvi. 
Kran and Kure HiLLs, G. Thomson (the single Old World example).— 
ISTRIB, Trop, America. 
: Nearly glabrous. Rhizome short. Stems 1-2 ft., slender. Inflorescence } in. 
in diam., ovoid, dense, Spikelets 3 by 4; in. Nut-bearing glumes elliptic-oblong, 
obscurely 9-nerved. Style short; branches 3, linear. 
9. M. Hookerianus, C. B. Clarke; umbel of 7 cylindrie dense 
spikes, rays scarcely any, spikelets oblong bearing 4 nuts dirty-white, 
es of rhachilla lanceolate deciduous, nut oblong-ellipsoid as long as 
glume. 
SIKKIM ; in hot valleys, J. D. Hooker. . 
Glabrous, Rhizome (seen) horizontal, woody, rather slender. Stems approxi- 
mate, 20 in. Leaves 8-12 by iin. Umbel 14 in. in diam.; rays 0—4 in. ; bracts 4, 
up to 6 in, Spikes $ by } in. Spikelets } by + in. when ripe obliquely erect. 
s bearing glumes obtuse, with 9-11 strong nerves. Nut trigonous ; style-branches 
; Near, . 
„10. M. squarrosus, C. B. Clarke ; slender, annual, umbel subsimple 
Spikes loose broad quadrate, spikelets divaricate linear 6-26-fld., glumes 
eliptic with long recurved mucro, style 3-fid, nut linear-oblong curved. 
Ver squarrosus, Linn. Sp. Pl. 66; Rottb. Descr. et Ic. 25, t. 6, fig. 3; 
ees in Wight Contrib. 75; Kunth Enum. ii. 22; Dalz. & Gibs. Bomb. Fl. 
28] ; Boeck. in Linnea, xxxv. 501; C. B. Clarke in Journ. Linn. Soc. xx. 
» and xxi. 94 (excl. var. B). C. maderaspatanus, Willd. Sp. Pl. i. 278 
(el. sym, Pluk). C. hyalinus, Herb. Heyne; Wall. Cat, 3313 A. C. 
Pusillus, Herd, Wight (partly). Pycreus squarrosus, Nees in Linnea ix. 
—Üyperus, Wall. Cat. 3312 D (partly). 
From BENGAL to CEYLON, and MERGUI.—DISTRIB. Trop. Afric. . 
Glabrous, Stems 3-8 in., caespitose. .Leaves often as long as stems, de in. 
road, weak. Umbel rays rarely up to 2 in.; bracts exceeding umbel, leaf-like. 
tkelets 6-20 in a rather loose spike, in the common form 4 in. 6-8-fld., sometimes 
nearly 1 in., 26-fd. ; rhachilla dehiscing froma pulvinus above the two lowest empty 
plumes, Stamen 1. Nut about 3 length of glume (excl. its long arista).—Resembles 
Yperus aristatus Rottb., with which it was mixed by Linnæus, and by many 
authors since, , , 
Sect. 3. Tur iduli. Spikelets oblong or subovoid, hardly compressed. 
Umbels compound. Robust. plants with coarse leaves. (Sp. 11.) 
ll. M. albescens, Gaud. in Freyc. Voy. Bot. 415 ; leaves somewhat 
thick transversely lineolate, spikelets closely approximate hardly con- 
Ba Somewhat turgid oblong bearing 3-6 nuts, glumes obtuse, nut Short 
ad ovoid. Cyperus pennatus, Lam. Ill. i. 144; Kunth Enum. ii. 80 ; 
» w. Enum. 343; O. B. Clarke in Journ. Linn. Soc. xxi. 194. C. canescens, 
ahl Enum. ii. 355 (excl. syn. Rheede); Nees in Wight Contrib. 84; Kurz 
