332 Monograph of North American Carices. 



C. dasycarpa, Muhl. gram. p. 236. Elliott sk. ii. p. 541. t. 

 xii. f. 4. 



Culm 12—18 inches high, triquetrous, glabrous. Leaves very narrow, 

 linear, smooth, shorter than the culm ; sheaths ciliate and lacerate on 

 the margin. Sterile spike very small ; glumes lanceolate. Fertile spikes 

 generally 3, approximate, the upper sessile, the lower on short pedun- 

 cles, supported by foliaceous bractese overtopping the culm; glumes 

 ovate, the inferior ones submucronate. Fruit obtusely triquetrous, sub- 

 ovate, nerved, very villous, and somewhat hoary ; orifice entire. 



Hab. In old fields; Salem, North Carolina. In the upper 

 country of South Carolina. Elliott. Flowers in April and 

 May. 

 Obs. The specimens in Muhlenberg's herbarium, (No. 354.) 

 resemble exactly the species represented by Elliott. 



64. Carex marginata, Muhlenberg. 



C. spica sterili pedunculata ; fertilibus subgeminis, approxi- 

 matis, subglobosis, subsessilibu>; fructibus globosis tomen- 

 tosis, bidentatis, gluma oblongo-ovata longioribus. 



C. marginata, Willd. sp. pi. iv. p. 261. Schfc. car. t. Lll. f. 

 143. Purshjl. i. p. 40. Muhl. gram. p. 237. Elliott sic. 

 ii. p. 542. 



Culm 8 — 12 inches high, erect, slender, triquetrous, subscabrous, leafy 

 below. Leaves principally radical and annotinous, very long, except 

 those on the culm, which are abbreviate, and tinged with purple at the 

 base. Sterile spike somewhat trigonous, narrow, on a peduncle 

 about an inch in length, at the foot of which the upper fertile spike is 

 situated ; glumes oblong-ovate, brown, with a white margin and green 

 keel. Fertile spikes 2, (sometimes 3), few-flowered, the inferior one 

 sheathed with a long foliaceous bractea ; glumes acuminate. Fruit 

 ovate-globose, subpedicellate, 3- nerved, very pubescent ; rostrum bifid, 

 and at length diverging. 



Hab. In dry woods, among rocks ; Canada to Carolina ; 

 common. Flowers in April. 



Obs. This species is by some botanists considered as scarce- 

 ly distinct from C. varia. It appears to differ chiefly in 



