Heleocharis.] CXLIII, CYPERACER. 293 
faintly striate, very obtuse, with a narrow scarious margin which at 
length disappears. Hypogynous bristles about 6, glabrous or scarcely 
appearing scabrous under a } in. lens. Style- branches 2 or 3. Nut 
obovate, compressed, biconvex, the beak or persistent Ped of the style 
shortly conical.—Beeckel. in Linnæa, xxxvi. 473; Scirpus spiralis, 
Rottb. Deser. et. Ic. Pl. 45, t. 15, f. 1. 
Victoria? Tarampa Creek, Herb, F, Mueller, 
The species is dispersed over the e regions of both the New and the Old 
World, but chiefly in tropical Ameri 
3. H. (E.) variegata, Kunth, Enum. ii. 153.—Stems bise 
triquetrous or nearly terete, continuous ‘alt pi from under 1 ft. 
nearly 2 t high, usually 1 to 2 ines whe n invariant 8 fee 
et 
lets sylideca bens in. long when in flower to nearly li 
fruit, 13 to 21 lines diameter. Glumes from very bronili ovita = 
obovate-oblong, v very obtuse, not keeled, many-nerved, with a narrow 
Scarious border, either who olly pale coloured or with a dark line within 
the border. Ly pogynous bristles usually about 6, very unequal in 
length. Style-branches 2 or 3. Nut (not seen ripe in the Australian 
specimens) biconvex, broad, striate and slightly transversely rugose, the 
beak or a sistent base of the style narrow-conical, flat tened, with a 
broad annular base. — Beeckel. in Linnea, E à g Seirus variegatus, 
Poir, Diet. vi. 749 ; H. (E.) Sieberi, Kunth, l.c. H. (E.) compacta, R. 
va B "nti 4; F. Muell. Fragm. viii. 239; Pr compactus, Spreng. 
st. i. 
N. Australia. Arnhem N. Bay, R. Brown ; Lower Victoria pran F. Mueller. 
Queensland. Rockingham Bay, Dallac hy ; Narrau River, Mite 
co! 
T cl they are in flower only, the glumes are pale with a scarious border and 
dorsal vein cam conspicuous than is usual in the species, 
4 H. (E.) fistulosa, Schult. ; Kunth, ymp ii. 155.—Stems con- 
tinuous inside, acutely and equally 3 -angled or unequally 4-angled, 1 to 
ft. high, 12 to 2 lines diameter. Spikelets cylindrical, often fully 1 
b 
we long, = to 2 lines diameter. Glumes imbricate but not very 
teme. ovate, obtuse but often narrower than in H. variegata, obscurely 
eeled, striate, bordered by a narrow scarious margin sometimes almost 
obsolete ogynous bristles about 6. Style-branches 2 or 3. Nut 
ean biconvex, striate and pitted between the striz, the beak or peer 
the style flat- conical, short, with a raised annular base.— .in 
æa, xxxvi. 472; F. Muell. Fragm. viii. 239. 
p UNUS Bowman, O Shanesy. 
tao dely spread over the tropical regions both of the New and the Old World, and 
: American H. (E). quadrangulata, Br. is but very slightly di The few 
(in the dz; specimens have certainly four angles to the stem, but two of them appear 
dried state) close together, passing into the ordinary 3-angled form. 
