132 NEW YORK STATE MUSEUM 



12. Carex rosea Schk. 



Stems usually clustered, r-2° high, slender, erect, smooth; 

 leaves shorter or longer than the culm, |'-1" wide, smooth, rough- 

 margined ; spikes I'-lf ' long, green ; spikelets 4-6, globose, the 

 2 or 3 upper contiguous, the others 2"-9" apart, 5-12 flowered; 

 bracts bristle-shaped or filiform, extending from an ovoid or 

 deltoid base ^'-2^' ; perigynia lanceolate, thin, nerveless, gradually 

 tapering to a flat rough edged bidentate beak, twice longer than 

 the broad blunt thin white scale ; achenium ovate, apiculate. 



The base of the beak above is usually clearly defined by an 

 abrupt depression of the perigynium. The fruit is strongly diver- 

 gent or reflexed at maturity. 



Very common and variable. Woods and open places. June. 



Var. radiata Deiv. Culms almost capillary, 6-12' high, the 

 leaves often longer, |^"-1" wide, the spikelets 2-4 flowered, the 

 1 or 2 lower often distant, each subtended by a filiform bract 

 exceeding the culm ; perigynia oval-lanceolate, erect or spreading ; 

 scale broadly ovate, cbtnse or acutish, sometimes mucronate. 



Var. minor Boott. This differs from the last in its larger and 

 longer culms, and its erect or ascending perigynia, their scales 

 ovate, acute or mucronate, or sometimes rough-cuspidate. 



Var. pusilla Peck., n. var. Stems 3-8' high, stiff, smooth ; 

 leaves a little longer than the culm, ^" wide, rough-margined ; 

 spikelets 2-4, the upper 2 contiguous, the others ^' apart, the 

 lowest usually with a setaceous bract i'-l' long, 3-9 flowered ; 

 perigynia ( vate-oblong, about < ne-third longer than the ovate 

 obtuse or acutish scale, divergent but not reflexed. 



Var. staminata Peclc, n. var. Stems 15'-2U' high, slender and 

 somewhat spreading ; leaves ^"-f " wide ; spikelets 1-5 flowered, 

 each A^ith the staminate portion conspicuous and persistent, the 

 mature perigynia horizontally spreading or reflexed. 



13. Carex retrofiexa Mahl. 

 Stems tufted, 6'-18' high, firm, erect, smooth ; leaves mostly 

 shorter than the culm, ^"-l" wide, smooth, rough-margined; spikes 

 4"-10" or more in length, light green, becoming brown when 

 mature ; spikelets 3-8, globose, 3-9 flowered, the upper con- 

 tiguous, the 1 or 2 lower sometimes 2'-3" apart, the lowest with 



