Carex. CYPERACE^. 397 



third of an inch long, slightly curved, strongly marked with numerous nerves ; the summit 

 8-cleft, with tiie divisions finally spreading or divaricate. Achenium small, triquetrous, nearly 

 smooth. 



Deep swamps and borders of slow streams : rather common. Fl. June. Fr. July. This 

 species is a native also of Europe and New-Holland. 



58. Carex longirostris, Torr. Long-beaked Sedge. 



Sterile spikes commonly 3 ; pistillate 2-3, rather distant, cylindrical, on long peduncles, 

 loosely flowered, finally pendulous ; perigynium globose-ovoid, with a very long abrupt beak, 

 smooth and nearly nerveless, bifid at the apex, a little longer than the lanceolate scale. — Torr 

 in Schwein. anal. tab. I. c. ; Dew. Car. I. c. 9. p. 257. t. C. /. 10 ; Schwein. <J- Torr. Car, 

 I. c. p. 370 ; Beck, hot. p. 444 ; Kunth, enum. 2. p. 518. C. Sprengelii, Dew. in Sprang, 

 syst. 3. p. 837. 



Culm about two feet high, slender, triquetrous, nearly smooth. Leaves bright green and 

 shining, 2-3 lines wide. Sterile spikes at the summit of a long slender peduncle, the lowest 

 one often (and sometimes the others) bearing several fertile flowers ; the scales lanceolate- 

 acuminate, light brown. Fertile spikes 1 - Ij inch long, spreading and finally pendulous ; 

 the uppermost one often sterile at the summit : peduncles 2-4 inches long. Scales lanceolate 

 and ovate-lanceolate, pale, with a broad green keel. Perigynium about one fourth of an inch 

 long, nearly globose at the base ; the beak long, slender, and very abrupt ; the apex obliquely 

 truncate and slightly bifid. Achenium ovoid-triquetrous, minute, nearly smooth, but dull. 



Shady rocky places, Oneida county (Dr. Gray) ; also in the northern part of the State. 

 Fl. June. Fr. July. 



69. Carex trichocarpa, Muhl. Hairy-fruited Sedge. 



Sterile spikes 2 - 4 ; fertile 2-3, distant, pedunculate, erect, oblong-cylindrical, rather 

 loosely flowered ; perigynium ovoid-conical, beaked, acuminate, pubescent, bicuspidate, longer 

 than the ovate acuminate scale. — Muhl. in Willd. sp. 4. p. 302 ; Schk. Car. t. Nnn./. 148; 

 Pursh, /. 1. p. 40 ; Muhl. gram. p. 257 ; Ell. sk. 2. p. 540 ; Dew. Car. I. c. 7. p. 274, 

 and 11. p. 158 ; Schwein. <J- Torr. Car. I. c. p. 362 (excl. syn. Michx.) ; Kunth, enum. 2. 

 p. 484. 



Culm about two feet high, triquetrous, a little rough above. Leaves 2-3 lines wide. 

 Staminate spikes usually 3, but sometimes 4 or even 5, elongated and slender, sometimes 

 pistillate at the summit ; the scales oblong, obtuse, light brown. Fertile spikes usually 3, on 

 partly exserted peduncles, 1^-2 inches long ; the flowers nearly erect. Scale tapering to a 

 long point, somewhat carinate, brownish purple, with a broad green midrib. Perigynium 3 

 lines long, densely pubescent and brownish when mature, nerved, inflated below, and tapering 

 to a rather long beak ; the summit conspicuously bicuspidate, with the segments more or less 

 spreading. Achenium obovoid-triquetrous, very finely striate longitudinally. 



In marshes ; frequent in the northern and western parts of the State. Fl. June. Fr. July. 



