et seeeaeomete 
Caricographij. IS 
Asr, VIIL—Caricography. By Prof. Dewey. 
(Continued from Vol. X. p. 48.) 
(Communicated to the Lyceum of Natural History of the Berkshire 
edical Enstitution.] 
66. Carex acuta. L. 
Muh., Pursh, Eaton, Pers. no. 197. 
Ell. no, 21. Schw. 
Wahl. no. 136. Rees’ puted nos 156. 
chk, tab. Ee and Ff fig. 9 
Spicis staminiferis pluribus vel una on ngis. erectis, Su- 
proms pedu unculata, ceteris sessilibus et abbreviatis ; spieis 
" : i : - i c 
feris, laxifloris vel subdensifloris ; fructibus ellipticis compres- 
sis acutiusculis ore integro et protruso glabris, ane ob- 
longo-lanceolata paulo brevioribus. 
8. erecta, (mihi,) Spica staminifera solitaria brevi; spicis 
fructiferis binis erectis sessilibus pei subdensifloris brevi- 
cylindraceis. C. virginiana? Rees’ Cyc. no. 100. 
y. sparsiflora, (mihi;) Spicis staminiferis binis brevibus, 
inferiore parvula ; — fructiferis oblongis subsessilibus 
laxis subsparsiflori is 
Culm 1—2 feet high, acutel triquetrous, very shai and 
rough on the edges; leaves linear, often longer than the 
culm, very rough on the edges, carinate, sheathing the base ; 
sheaths striate, sometimes filamentous; bracts long, leafy, 
rough, surpassing the culm, slightly auriculate at the base; 
staminate spikes one to three, cylindri ric, sessile except the 
highest, variable in length; staminate scale oblong, obtuse, 
often rather’ acute, brown on the border; stigmas two; pis- 
tiles spikes about three, cylindric, from half an inch to two 
inches in length, often staminate at the apex, sessile except 
the lowest, and recurved, sometimes all sessile and adonly: 
erect, sometimes rather densely flowered, often very loosel 
flowered and fruit decurrent ; fruit elliptic, ae to ovate. 
and-obovate, smooth, with an entire protruded m ; pis- 
tilate scale ablong-lanceolte, dl on bréwn on hae margin, 
Vor. X.—No. 
