Monograph of North American Varices. 333 



its pedunculate sterile spike, less slender culm, and larger 

 fertile spikes. 



65. Carex pubescens, Muhlenberg. 



C. spica sterili subsessili ; fructiferis ternis, oblongis, erectis, 

 sublaxifloris, infima brevi-pedunculata ; fructibus ovato- 

 triquetris, rostratis, pubescentibus, ore subintegro, gluma 

 ovata mucronata subaequalibus ; foliis cuhnoque pubes- 

 centibus. 



C. pubescens, Willi, sp. pi. iv. p. 281. Schk. car. t. Eee. 

 f. 126. Purshfl. i. p. 40. Muhl. gram. p. 244. Dewey 

 car. 1. c. ix. p. 73. 



Culm 12 — 18 inches high, rather slender, erect or subdecumbent, leafy 

 below, pubescent above. Leaves linear, 2 lines broad, very pubescent, 

 shorter than the culm Sterile spike subtriquetrous, short; glumes 

 whitish, green on the keel, which is a little protruded into a point. Fer- 

 tile spikes rather approximate, 4 — 8-flowered, supported at the base by 

 long foliaceous bractese ; glume ovate-oblong, mucronate. Fruit ob- 

 scurely triangular, rather longer than the glume ; rostrum short, with 

 the orifice minutely bifid. 



Hab. In woods, rarely in wet situations ; Canada to Penn- 

 sylvania ; not uncommon. Flowers in May. 



Obs. This species has not hitherto been found in the South- 

 ern States. 



66. Carex jlava, Lin. 



C. spica sterili brevi-pedunculata ; fertilibus subternis, ova- 

 tis, subapproximatis (infima remotiuscula), breviter incluse 

 pedunculatis ; fructibus ovatis, dense imbricatis, bidentatis, 

 cum rostro curvato reflexis, gluma ovato-lanceolata bre- 

 vioribus. 



C. flava, Willd. sp. pi. iv. p. 268. Schk. car. t. II. f. 36. 

 Michfl. ii. p. 171. Pursh fl. i. p. 41. Dewey car. 1. c. ix. 

 p. 65. 



Culm about 14 inches high, erect, rather firm, leafy. Leaves flat, narrow, 

 smooth. Sterile spike sessile, or on a short peduncle, often androgynous. 



