144 Caricography. 



No. 183. C. Cooleyi, Dewey. Tab. Dd, fig. 105. 



Spicis distinctis, staminifera solitaria parvo-cylindracea brac- 

 teata; pistilliferis tristigmaticis subternis (2-4) oblongis cylin- 

 draceis subdensifloris, superiore interdum subsessili, inferioribus 

 vulgo longo-pedunculatis retrociirvis ; fructibus ovatis conico- 

 rostratis bifurcatis subinflatis nervo-costatis glabris, squamam ova- 

 tam cuspidatam scabram subsequantibus. 



Culm 20-30 inches high, triquetrous, scabrous; bracts and 

 leaves very long, surpassing the culm, linear-lanceolate, striate or 

 nerved, glabrous, scabrous on the edge ; staminale spike single, 

 small, with an oblong-lanceolate scale ; pistillate spikes 2-4, cy- 

 lindric, oblong, upper sometimes short-pedunculate or subsessile, 

 the lower long pedunculate, and the lowest often very long, and 

 all on filiform peduncles recurved and partially sheathed ; some- 

 times the upper pistillate is staminate above ; stigmas three ; 

 fruit ovate lance-rostrate, two-toothed, strongly nerved and even 

 costate in maturity, smooth and glabrous ; pistillate scale ovate, 

 cuspidate, as long or longer than the fruit. 



Found in swamps by Dr. D. Cooley, at Washington, Macomb 

 County, Michigan. It is related to C. hystericina, Willd., but is 

 far different. 



Figures of the following species accompany this paper. 



No. 177. 0. Mitchelliana, Curtis, Tab. Dd, fig. 98. 

 C. ve7Tucosa, Muh. 



var. androgyna, C, Tab. Dd, fig. 99. 



No. 178. C. miser, Buckley, " " " 100. 



No. 179. C. styloflexa, Buckley, " " " 101. 



No. 180. C. Caroliniana, Buckley, " " " 102. 



No. 181. C. triceps, Mx. " " " 103. 



No. 182. C. Buckleyi, D. " " " 104. 



No. 183. C. Cooleyi, D. " " " 105. 



