TaN er 
Caricography. AT 
subconvexis ore integris subapiculatis, squama ovata obtusissima 
submucronata longioribus. . 
Culm 3-6 inches high, slender, obtuse-triquetrous, shorter than 
the narrow and subinvolute leaves; pistillate spikes two, short- 
ovate and rather compact-fruited; stigmas two; fruit flat sphe- 
roidal, obtuse, and often with a slightly protruded apex, and 
longer than the ovate, and very obtuse scale; plant light green, 
but the iron or dark colored spikes and scales give it a sombre 
aspect. 
Arctic America, Drummond. 'The specimens from Cumber- 
land House have a stiff or rigid and stinted appearance. Named 
and described by Dr. Boott with the preceding, as before noticed. 
No. 196. C. riparia, Gooden. Schk. Tab. Qq, and Rr, fig. 105. 
Spicis staminiferis 2-4, oblong, cylindraceis nigricantibus, 
squama lanceolata instructis; pistilliferis 2-4, tristigmaticis, cylin- 
draceis oblongis brevi-pedunculatis densifloris, fructibus rotundo- 
ovatis perbrevi rostro bifurcato contractis, squamam _ ovato-cuspi- 
datam vel lanceolatam subeequantibus. 
Culm two feet high, large, and with long leaves and bracts ; 
staminate spikes many, large, oblong, thick, dark colored, sessile, 
with lanceolate scales; pistillate spikes 2-3, cylindric, long, 
sometimes with long and subrecurved peduncles and lax-flow- 
ered below, leafy-bracteate ; stigmas three; fruit broad-ovate, 
oblong, contracted into a very short bifurcate beak, glabrous and 
dark colored ; pistillate scale ovate cuspidate, scarcely equalling 
the fruit, or lanceolate equalling it; dark green. 
Marshes; New England, New York, and Michigan; has been 
confounded with ©. lacustris, Willd., with which it is often 
associated, from which it is easily distinguished by its fruit and 
scales. 
No. 197. C. monzle, Tuck. Enum. 
C. vesicaria, var. cylindracea, Dew. 
Tab. Ff, fig. 116. 
Spicis staminiferis 2—4, longis, gracilibus, cylindraceis, squama 
longa lanceolata dotatis ; pistilliferis binis cylindraceis longis sub- 
laxifloris brevi-pedunculatis ; fructibus ovatis longo-conicis sub- 
triquetris inflatis rostro bifureato glabris, squama oblongo-lan- 
ceolata plus duplo longioribus ; culmo bipedali margine levi, folia 
lineari-lanceolata superante. ; 
