eee 
Caricography. 45 
subrostratis superne convexis, squamam late-ovatam acutam 
zequantibus; culmis basi vel radici ramosis. 
Culm a foot high, with rather short leaves, branching or send- 
ing up stems from the roots; spikelets 3-5, ovate, sessile, short, 
closely aggregated, with stamens at the apex; stigmas two; 
fruit ovate, acuminate, glabrous, convex above, equalling the 
broad-ovate acute scale; pale green. 
Marshes, New York, Gray and Sartwell; Michigan, Cooley. 
No. 191. C. Liddonz, Boott. Tab. Ff, fig. 112. 
Spiculis 5-7, oblongo-ovatis arcte aggregatis ebracteatis inferne 
staminiferis; fructibus distigmaticis ovatis lanceolatis acuminatis 
ore obliquis glabris margine serrulatis, squama ovato-lanceolata 
acuta margine hyalina vix longioribus. 
Culm 16-30 inches high, striate, scabrous above, leafy towards 
the base, and much longer than the flat linear lanceolate leaves, 
rough on the edges; stigmas two; spikelets staminate below, 
5-7, closely aggregated ; fruit ovate, lanceolate, acuminate, sca- 
brous on the upper edges, scarcely longer than the ovate lanceo- 
late scale, acute and hyaline on the border; scales and fruit rather 
chesnut brown; yellowish green. 
Columbia River, Scouder ; Michigan, Cooley. Named and de- 
scribed like No. 186. 
No. 192. C. rigida, Good. Schk. Tab. U, fig. 71. 
Spicis distinctis; staminifera unica, raro binis, oblongo-cylin- 
dracea, squama oblonga obtusa; pistilliferis binis vel ternis distig- 
maticis oblongis cylindraceis densifloris crassis approximatis bre- 
vibus latisque bracteatis, inferna brevi-pedunculata; fructibus 
ovatis subobtusis partim recurvis ore integris, squama oblonga 
obtusissima vix duplo longioribus; culmo brevi basin foliaceo. 
Culm 3-8 inches high, erect, triquetrous, stiff, sometimes in- 
curved, with short and stiff leaves at the base; stigmas two; 
pistillate spikes 2-3, sessile, oblong, short and thick, often with 
some staminate flowers at the apex, lowest subpedunculate with 
a bract longer than the culm; fruit ovate, obtusish, sometimes 
recurved, entire at the orifice, at first a little longer than the 
scale, and in maturity nearly twice the length of the oblong and 
very obtuse scale; glaucous green. 
Ipswich, Essex Co., Mass., Oakes; long confounded with C. 
cespitosa, L. 
