262 CXLUI, CYPERACEA. [ Cyperus. 
in. long, and at length 2 lines broad, 12- to 20-flowered, the angles 
the rhachis bordered by a narrow hyaline wing. Glum os spreading 
and quite distinct, giving the spikelet a pinnate appe We broad, 
obtuse, the keel green, the sides smooth or pale and always bordered by 
a white hyaline margin. Stamens 3. Style 2.cleft. Nut broad, flat 
with one edge next the rhachis, nearly as nr $ as the glume.— — Baxkel. 
in Linnea, xxxv. 470; C. tremulus, Poir. ; ntb, Enum. ii. 16; C. 
Hochstetteri, Nees; (NS l. e, 471; C. Rus Boeckel. 1. c. 473; 
C. ornatissimus, F. "Muell. Tarh. viii. 265, ix. 54. 
N. Australia. Head of Sturt's Creek, F. Mueller ; Arnhem's Land, M‘Kinlay. 
The species is also in the Indian Peninsula, in tr oy nee 1 Africa and the Mas- 
carene Islands, and in Mexico and the southern United States of North Ament 
and is nearly allied to t Indian C. puncticulatus, in which the que 
are more closely imbricate and have not the white border. Pie N. American spec 
im have bes smaller spikelets mart glumes than the Indian and Australian, b 
me Mexi nes and others from tropical Africa (poeroak y ote to C. fiw 
rins vega J. Gay), are quite as large as in some of the Australian 
Section IL — JuxcELLUs, Griseb.—Spikelets flattened but usually 
thick, with E gn: glumes, t the rhachis noe winged. Style le 2-cleft or 
occasionally 3 : ut ovate or broad, with a flat or yen 
ae next ihe RR the back convex or with a raised 
angle. 
n is fairly marked in character, but not very natural, the globose capi- 
tate inflorescence x the first two species is repea deg R e pes ree and a 
dubius and some other Indian ones, the lateral A ace nce of €. poo ug is excep 
tional in the ME we alopecuroides has the habit nearly of C. exaltatus 
. C. pygmæus, Rottb. Descr. et Ic. Pl. 20, t, 14, f. b 5m 
ue tutted low Huey the stem usually under 6 a high. Les l 
mostly shorter and v narrow. Spikelets small and exceeding 
num 
"ya 
hoses the sa not winged. Glumes pale green, shortly piscem 
prominently keeled, the sides more or less hyaline. Stamens u 
only. Style un ‘it rarely gre Nut ovate, shorter than 
roa É d i 
glume, the b inner face next the rhachis, the ge. 
convex or, when style is 3-cleft, with a dorsal raised 8? ell. 
—Kunth, Enum. ii. ae Beekel. in Linnea, xxxv. 493; F. Ma 
vp viii. 268. 
Australia arlotte 
yn Upper Victoria River and Flinders Bizer, F. Mueller ; ; Ch 
aters in Central ees Spee Giles ; also in Mitchell district 
Victoria. s Reka, F. Mueller, 
