700 CYPERACE.E carex 



to lanceolate and mucronulate : perigynia ferruginous, oval, rostellate with 

 an entire beak,'stipitate, papillose, deciduous, longer or shorter than the 

 scale. Oregon to California and Patagonia. 



C. nudata W. Boott Bot. Cal. ii, 241. Stems slender, 12-16 inches 

 high, sharply angled, scabrous, leaves 1-2 lines wide setaceously pointed, 

 shorter than the stem : bracts without sheaths, the lowest rarely equalling 

 the stem, the others shorter than the spike: spikes 4 or 5, cylindrical, the 

 uppermost staminate, at least above, 6-12 lines long, 1-IJ4 lines thick, 

 single or rarely with a smaller one at its base, the others pistillate, 6-18 

 lines long, 1-2 lines thick, the highest close to the staminate and sessile, 

 the others contiguous on short peduncles or rarely the lowest radical on a 

 peduncle a foot long: scales dark purple, oblong, obtuse, or the lower 

 lanceolate and acute: perigynia purple above, almost lanceolate, attenuate 

 to an entire cylindrical beak, very deciduous. Along streams in the coast 

 mountains, Oregon to California. 



Var. angustifolia Bailey Mem. Torr. Bot. Club 16. More slender 

 and lax : leaves narrower : spikes 6-9 lines long, sessile or nearly so: perig- 

 ynia shorter and relatively broader ; much more abrutly contraced above. 

 Along streams in the Coast Mountains, Oregon to the Mackenzie river. 



Var. anomala Bailey 1. c. Very slender, 18-30 inches high, the 

 stem and leaves very rough: leaves very numerous, long and narrow: 

 spikes 3-5, the lowest one or two on long and very slender peduncles, very 

 narrow and thinly flowered at base, 1-2 inches long, greenish or brownish, 

 the terminal one often pistillate at the top or throughout: perigynia 

 firmer in texture. Jong and often very slender, green or greenish-yellow, 

 longer than the narrow brown and obtuse scale. Cascade Mountains of 

 Oregon. 



C. Hallii Bailey Proc. Am. Acad, xxii, 82. sterns 1-2 feet high, 

 sharp-angled and rough, strict: leaves narrow, rough on the margins, 

 shorter than the stem ; bracts all serrate on the margins, without sheaths 

 the lowest more or less leaf-lite and equalling the stem, the upper seta- 

 ceous: spikes sessile, about 5, the terminal staminate and usually more or 

 less peduncled, the others closely sessile and short: scales of the staminate 

 spike very broad and obtuse, often emarginate purplish-black: perigynia 

 flat, almost white, elliptic with contracted ends, smooth, the beak very 

 short and entire, either much exceeding or about the length of the broad 

 obtuse black scale. Oregon. 



C. invisa Bailey I.e. Stems 5-24 inches high, sharply angled, erect, 

 smooth: leaves nearly as long as the stem, 12 lines wide, roughisli on the 

 margins, short-pointed : spikes 4 or 5, all sessile or the two lowest on short 

 peduncles and erect, oblong and somewhat narrowed at base, about an 

 inch long, or short and nearly globular, the upper 1 or 2 staminate and 

 short, the others all approximate or contiguous and pistillate : bracts short 

 and sheathless: perigynia elliptic-ovate green and olive-colored with 

 black-purple blotches, flat, very short beaked, the orifice entire or nearly 

 so, broader and commonly longer than the purple-black, very conspicu- 

 ously white-ribbed apiculate scale. In the mountains, California to Brit. 

 Columbia. 



C. laciniata Boott. 111. 175 t. 594. Stems stout, 2-3 feet high, very 

 sharply angled : leaves stiff and carinate, pale, 2-4 lines wide: bracts 

 without sheaths, the lowest sometimes '1% feet long: spikes 2-6, yellowish, 

 ferruginous, cylindrical, the staminate 1 or 2, commonly peduncled, the 

 uppermost 2 inches long, 2-3 lines thick, sometimes with a few pistil- 

 late above the middle or at the base : the rest pistillate, 1-3 inches or more 

 long, 2-4 lines thick, remote, densely flowered, the upper sessile, the lower 



