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302 T. Holm — Studies in the Cyperaeece. 



Carex phceolepis sp. n. 



Rhizome short, creeping, the leaf-sheaths persisting, light 

 brown ; leaves light green, a little shorter than the culms, nar- 

 row, but flat, scabrous ; culms not numerous, from 25 to 35 cm 

 in height, slender, but stiff, erect, triangular, scabrous, phyllo- 

 podic ; spikes four to eight, androgynous and the staminate por- 

 tion very prominent in all of these, ovate, rather small, sessile and 

 contiguous or the lower ones remote, the bracts inconspicuous ; 

 scales ovate-lanceolate, mucronate, light brown with broad hya- 

 line margins and greenish midvein, longer than the perigynium ; 

 perigynium almost sessile, erect, broadly elliptical, plano-con- 

 vex, wingless, two-ribbed (the marginal), colorless, minutely 

 scabrous along the short beak, which is slit on the convex face ; 

 stigmata two. 



Collected in Eastern Oregon : Bear Butte, Crook County, 

 alt. 1710™ by Mr. John B. Leiberg (No. 335). 



Carex chrysoleuca sp. n. (figs. 3-4). 



Rhizome wanting, but apparently csespitose, the leaf -sheaths 

 fibrillose, light brown ; leaves light green, about half as long as 

 the culms, narrow, carinate, scabrous ; culms from 40 to 55 cm 

 in height, stiff, erect, trigonous, scabrous near the inflorescence, 

 otherwise glabrous, phyllopodic ; spikes pJbout twenty, the low- 

 est ones decompound, androgynous and the staminate portion 

 very prominent, ovate, small in comparison to the size of the 

 plant, sessile and contiguous, the bracts inconspicuous or the 

 lowest one sometimes elongated, setiform ; scales of staminate 

 flowers lanceolate, sharply pointed, hyaline to light yellowish 

 brown, those of the pistillate flowers {fig. 3) ovate with the 

 midvein extended into a conspicuous awn, hyaline to yellowish, 

 shorter than the perigynium ; perigynium (fig. 4) sessile, erect or 

 slightly spreading, broadly ovate, plano-convex, wingless, prom- 

 inently several-nerved on convex face, light brown or greenish, 

 scabrous along the distinct beak, which, is deeply slit on the 

 convex face ; stigmata two. 



Collected near Mariposa, California, by Mr. J. W. Congdon. 



Carex vitrea sp. n. (figs. 5-7). 



Rhizome wanting, but apparently csespitose, the leaf -sheaths 

 persisting, light brown ; leaves glaucous, longer than the culms, 

 narrow, flat, very scabrous ; culms from 60 to 65 cm in height, 

 slender, triangular, scabrous, phyllopodic ; spikes numerous, 

 decompound, forming an interrupted spicate inflorescence, up 

 till 8 cm in length, androgynous, the staminate portion very 

 prominent, sessile, the lower bracts setiform, short ; scales of 



