4 



246 Caricograpkij. 



m 



pistillate scales, oblong-lanceolate^ obtusish^ black, three or four 

 times longer than the fruit ; bracts, leaves, and culm very rough. ^ 

 Found on Columbia River. 



No. 146. C. petricosa^ D- 



W. fig 



Spicis subquaternis oblongis tristigmaticls, terminal! androgyna 

 superne stamiuifera, inferioribus exserte pedunculatis j fructibus lan- 

 ceolatis Isevibus acutis ore apertis, squama ovato-oblonga obtusius- 

 cula brevioribus. 



Culm ten inches high, triquetrous, smooth, leafy towards the base, 

 upper leaves long as the culm ; bracts leafy and sheathing; spikes 

 four, exsertly pedunculate, oblong, subremote; fruit lanceolate, 

 smooth, with an open mouth ; stigmas three, and upper spike sta- 

 minate above ; pistillate scale ovate, oblong, rather obtuse and 

 longer than the fruit, reddish-brown on the edge and wdiitish on the 



^ r 



keel. 



Found on the summit of the Rocky Mountains- 



^ 



No. 147. C. /estiva, D. 

 Tab. W. fig. 71. 



Spicis distigmaticis androgynis, superne pistilliferis subsenis ovatis 

 in capitulum densi aggregatis ; fructibus ovatis oblongis rostratis m 

 apice serrulatis bifidis convexo-planis, squama ovata acutiusculalon- 

 gioribus . 



Culm six to ten inches high, scabrous, triquetrous, striate, erect, 

 stiff, leafy ; lower leaves shorter, upper ones longer than the culm, 

 flat, striate, rough on the edge ; spikelets about six, androgynous, 

 staminate below, ovate, aggregated into a close head, without bracts ; 

 stigmas ttvo ; fruit ovate, sub-oblong, compressed, convex above, 

 nearly flat below, acuminate, rostrate, split at the mouth and sca- 

 brous on the edge; pistillate scale ovate; acutish, tawny, shorter 

 than the fruit; color of plant light green. 



Found by Dr. Richardson at Bear Lake and on the Rocky 



Mountains. . ' 



No. 148. C pet as at a, D- 

 Tab. W. fig. 72. 



Spicis distigmaticis androgynis, inferne staminiferls subquaternis 

 ovato-oblongis cylindraceis subsessilibus approximatis ; fructibus 

 lato-lanceolatis utrinque acutis rostratis vel acunilnatis ore bifidis 

 subalatis, squama lato-ovata subobtusa longioribus. 



