OF ARTS AND SCIENCES. 125 



192. Carex phtsoriiyncha, Steudel, Cyper. Plant. 219. 



G. rhynchophysa^ Liebm. Mex. Halv. 76, not C. A. Meyer. 

 " Culm two to five inches high, slender, triquetrous, rough on the 

 angles : leaves short, narrowly linear, flat or reflexed, rough on the 

 margins : head of spikes a half-inch long : spikes 3-4, the terminal 

 staminate, the remainder pistillate, contiguous, sessile, few-flowered, 

 furnished with bracts the lowest one of which is leafy and equalling 

 the culm: staminate scales ovate-lanceolate : pistillate scales narrower, 

 strongly acuminate, carinate, the nerve green, the side of the scale 

 bordered by a narrow zone of dark purple : perigynium stipitate, 

 elliptical, ventricose, round-trigonous, nerved, the beak slightly puberu- 

 lent, glandulose-pilose below, the beak compressed, lightly toothed 

 with the margins ciliate : achenium obovate, obtuse, trigonous, angles 

 prominent, sides a little convex and slightly punctate. — So. Mexico, 

 Chinantla in Puebla at 7,500 to 8,000 feet, May 1, Liebmann." 



193. Carex Floridana, Schweinitz, An. Tab. 



C. lucorum, var. Floriduna^ Chapm. Flora, 539. 

 (7. nigro-marginatay var. subdigyna, Boeckeler, Linnaea, xli. 220. 

 Santee Canal, South Carolina, Havenel, to Florida and Texas, 

 Reverchon. 



194. Carex nigro-marginata, Schweinitz, An. Tab. 



G. lucorum, var. nigro-marginata, Chapm. Flora, 539. 

 Dry hillsides from New Jersey to North Carolina, Gurtis. 



195. Carex umbellata, Schkuhr, Riedgr. Nachtr. 75, f. 171. 

 G. umbellata, var. vicina, Dewey, Sill. Journ. xi. 317. 



Dry knolls and hillsides, New England to Pennsylvania and Illinois 

 and Indian Territory, Butler, and northwestward into British America ; 

 Oregon, Henderson. 



Var. brevirostris, Boott, 111. 99, t. 294. 



G. globosa, W. Boott, Bot. Calif, ii. 246 ; in part. 

 (See Bot. Gaz. x. 206.) 

 Mogollon Mts., New Mexico, Greene ; near Golden City, Colorado, 

 Greene; California, Cisco, Kellogg, Plumas Co., Mrs. Austin; British 

 America, Herb. 



196. Carex globosa, Boott, Linn. Trans, xx. 125. 



Transition to the Phyllostachyae. — California, Nuttall ; Oakland, 

 Bolander 20 and 2298; Yosemite, Bolander 6196. 



197. Garex proecox, Jacquin, Fl. Austr. v. 25, t. 446. 

 G. stolonifera, Ehrh. Calam. Exs. no. 99. 



C. verna, Vill. PI. Dauph. ii. 204; Dewey, Sill. Journ. xi. 314. 



