Cyperus. | CXLIII. CYPERACER. 287 
Widely spread over the tropical regions of the New and the Old World, 
unable to distinguish the two - posed —_— described by Boeckeler, and row 
should probably include several others. It wason the authority ofa peret named 
by Jussien that he referred this species. to. the "C. pennatus, Lam. ; the original de- 
scription however in the Encyclopedia is at complete variance and avidentty se 
to DM above descri si si signa Vahl, or C. ventricosus, Br. as correctly deter- 
unth and oth 
E lucidus, Nees ; pong uei um. ii, 89, but not of R. Br. was founded on Sieber's 
specimens, Agrostotheca, n. 110, supposed to E M: and which Beckeler, 
e Xxxvi 364, refers to his C. nitidulus. These specimens however are West 
ENT appear to me to be the C. ferax with the Mat ec in flower not yet fully 
short shies lcs in an umbel of few "coder ram pr rci about 
2 in. long, the whole inflorescence sometimes reduced to the central 
subulate, flexuo to 9 lineslong and ending in a fine point, 6- to 
flowered, the rhachis bordered by hyaline wings. umes distant, 
closely appressed to the rhachis, obtuse or scarcel acute, with a green 
rather broad keel, the sides brown and finely several-nerved. Style 3- 
eft. Nut narrow, triquetrous, more than bay as png as the glume, 
closely embraced SP it by the wings of the r 
land. Brisbane River, Moreton Bay, Bailey, Teer e latter with 
rather broader n - Herbert's Creek, Bowman ; Gracemere, O’ Shane. 
59. C. trichos La Benth.—Stems stout, about 2 ft. high, 
prominently "enep but quite smooth. Leaves ues longer and 
rather broad. Spikelets in soo spikes of 4 to $ in. in a large umbel 
linear-filiform, Peradi ng, 2 ra 3 or rarely 4 lines one, usually 3- or 4- 
P the rhachis flexuose and bordered by hyaline wings. Glumes 
E losis appressed to the rhachis, very MA. acute. Style 
Cleft. Nut much shorter than the glum e, very narrow, closely . 
embraced ws the wings of the rhachis. 
d. Rockingham Bay, Dallachy. 
ocaulon, Benth.—Stems rather slender, usually about 1 ft. 
li, o8 ott at triquetrous, quite smooth. Leaves much shorter, narrow. 
Spikelets. in ovoid-globular rather dense spikes or rather looser and 
nearly $ in. long, in a simple umbel of about 4 to 6 rays, the longest 1 to 2 
8 nas . Involu ere of few bracts not much longer than the inflorescence. 
pikelets Vins hbri at length flexuose and 3 or sometimes 4 lines 
with about 3 flowers, the rhachis bordered by hyaline wings. 
i to 
with several nerves, the — one often empty or with an 
embraced by 
