268 Professor Dewey's Uaricography. 
scale. I had considered the €. pallescens as an undeseri- 
bed species until I examined the fig. of Schk. But our 
plant. ore embles the fig. in Schk. so exactly, except in the 
ay the scale, that I'am satisfied it must be another of 
the European species to be credited to our country. 
C. filiformis, Noateban 
» © Schk. tab. K. fig. 
Pers. no. 190. ~ "Rees + 
m BS & Spicis subsessilibus oblongis, bracteis eC 
vagnetin ‘foliatis remotiusculis, capsulis ovali- i 
1 ello bifurcato 5 foliis convolutis.”-—W abl. no. 77. 
Agardh gives the! following popular description ot tims 
species in his Car 
* Culm two dent ea roundish, smooth; leaves bias 
nelled, destitute of a keel, smooth, scabrous on the margin. 
Bracts leafy, surpassing the culm. Staminate, spike one 
or two, lanepolata; with an oblong, rather acute: —_ having 
its nerve yellow; pistillate spike one, oftener 
mucronate scale having a green keel, capsule ‘thickly to- 
mentose. 
Our plant, as well asthe European, inhabits marshes 
It has been su dt be C. C. pellita. Muh.’ It differs from 
= » Muh., so Sate shown in the figures of 
Schk., *y omvbits in its leaves. The leaves of C. pellita 
are flat ; of C. filiformis, are convolute. ‘The fruit of the 
ormer is ovate, pilose, and sini’ tens of the latter, is 
elliptic, villose, and bi-furcate. C, filiformis should be 
laced in eran subdivision io Ph. agree we 
I mie aed nonhdb. th 
vn wages a infima longissi 
+ hina Neston 
epion mascule subapprens 
flowered, pe atl tg and ses sie, the, folbest on 
wah a very long peduncle ; fruit Shoreeetbane, three-si- 
