EEPOET OF THB STATE BOTANIST. 81 



obovate, densely hairy, 2" long, f " wide, obscurely nerved, with a 

 prominent bifid beak, a little longer than the oblong-ovate, cus- 

 pidate white scale. 



"Wet, grassy places. Common. June. 



It is distinguished from the other species of this group by its 

 larger size and general pubescence. 



Staminate spike single, stalked, often fertile at the apex ; pistil- 

 late spikes 3-5, C3"lindrical, densely or loosely flowered on a 

 straight or fle.xuous rachis, all on filiform more or less drooping 

 peduncles; bracts sheathing, longer or shorter than the culm; 

 perigynia obtusely or sharply triangular ovate or fusiform with 

 a long tapering beak, slightly inflated. 



Pistillate spikes densely flowered 1 



Pistillate spikes loosely flowered 2 



1 Spikes clavate or cylindrical, green, perigynia sharply 



angled prasina. 



1 Spikes cj'lindrical, fulvous, perigynia obtusely angled . . . castanea. 



2 Perigynia short-stalked arctata. 



2 Perigynia sessile 3 



3 Perigynia tapering into a long beak debilis. 



3 Perigynia contracted into a rather short beak glabra. 



94. Carex prasina Wahl. 



Stems 15'-30' high, slender, often diffuse, slightly scabrous on 

 the acute angles; leaves shorter than the culm, rough at the sum- 

 mit and on the margins, 1^" wide or less ; staminate spike cylin- 

 drical or club-shaped, I'-l^' long, on a filiform peduncle i'-l' in 

 length, mostly drooping, often with a few pistillate flowers at 

 the apex ; pistillate spikes 3— l, cylindrical, V-iy long, densely 

 flowered or loosel}' flowered at the base, on filiform nodding 

 stalks, the upper 2 or 3 approximate, the lowest remote on a 

 peduncle 1^-2^' in length ; bracts leafy, the lower ones usually 

 surpassing the culm, the upper 1 or 2 often slender, scarcely 

 exceeding the spike ; perigynia acutely triangular, few-nerved, 

 tapering each way from below the middle, terminating above in 

 a short, smooth, minutely-notched or entire beak, exceeding the 

 oblong-ovate, acute or cuspidate white scale ; achenium 

 triangular-elliptical, apiculate. 



Moist or wet fields and woods. Common. May, June. 

 11 



