Caricography 26%) 
Agr. VIIl.—Caricography. By Prot. Dewry. 
(Continued from Vol. X. p. 48.) 
{Communicated to the Lyceum of Natural History of the Berkshire 
Medical Institution.] 
66. Carex acuta. L. 
Muh., Pursh, Eaton, Pers. no. 197. 
Ell. no. 21. Schw. 
Wahl. no. 136. Rees’ Cye. no, 156. 
Schk. tab. Ee and Ff fig. 92. 
Spicis staminiferis pluribus vel una oblongis erectis, Su- 
prema pedunculata, ceteris sessilibus et abbreviatis ; spicis 
fructiferis distigmaticis subternis oblongis cylindraceis sepe 
recurvis sessilibus infima pedunculata, saspe apice stamini- 
feris, laxifloris vel subdensifloris ; fructibus ellipticis compres- 
sis acutiusculis ore integro et protruso glabris, squama_ ob- 
longo-lanceolata paulo brevioribus. 
B. erecta, (mihi,) Spica staminifera solitaria brevi; spicis 
fructiferis binis erectis sessilibus strictis subdensifloris brevi- 
cylindraceis. C. virginiana? Rees’ Cyc. no. 100. 
y. sparsiflora, (mihi,) Spicis staminiferis binis brevibus, 
inferiore parvula; spicis fructiferis oblongis subsessilibus 
laxis subsparsifloris. 
Culm 1—2 feet high, acutely triquetrous, very sharp 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, cylindric, sessile except the 
highest, variable in length; staminate scale oblong, obtuse, 
often rather acute, brown on the border; stigmas two; pise 
tillate 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 closely 
erect, sometimes rather densely flowered, often very loosely 
flowered and fruit decurrent ; fruit elliptic, varying to ovate 
and obovate, smooth, with an entire protruded mouth; pis- 
tillate scale oblong-lanceolate, dark brown on the marein, 
Var. X.—No. 2. 34 
