88 BOTANICAL GAZETTE. 
tis ; obscure nervatis. Achenium castaneum rotundo-ovatum bi- 
convexum perigynium implens, Stigmata duo, stylus inclusus. 
Diego, California, Miss Scott, 1880. aa 
Stem (the lower part and stem leaves wanting) 26 in. high, 
straight and slender, scarcely half a line broad on the side, 
the sharp angles rough above. Sterile leaves thread-like, con- 
volute, the cross section exactly circular. Spike ferruginous, ob- 
long linear, 3-inch long, of 3-4 contiguous, sessile spikelets, the 
uppermost club-shaped, male at base, the others elliptical, female, 
few-flowered. Bracts from an ovate hyaline-margined base while 
encircles the stem, tapering to rough, somewhat spreading aw0s, 
that are longer than their spikelets and commonly shorter than 
the stems. Scales similar to the bracts, with broader margins 
and shorter awns, covering the perigynia. Perigynia cartilagi 
ous, ferruginous, pale at base, glabrous, ovate, acuminate-bea ed, 
above ; obscurely nerved. Nut chestnut, round-ovate, biconve%; 
filling the perigynium. Stigma, 2. Style included. a 
Resembling C. glareosa, Wahl., but a much taller plant, wit 
very different bracts, scales and fruit. 
AREX SPICULOSA? Fries. Cwspitosa. Culmo 14-25 ped. 
alto, acutangulo, scabro, basi vaginis aphyllis tecto. Foliis 1-13 
(a j 
niis stramineis 1} lin. longis, $ lin. latis, obovatis, oblongis, vel 
plano convexis, marginibus superne parce dentatis. Achemium — 
pallide castaneum, obtusum, marginibus indentatum perigyti? ? 
brevius, Stamina 3. Stigmata 2. 
esp 
covered at base with leafless sheaths. Leaves 1-14 lines broad, : 
