Carcx. CYPERACEJS. 249 



66. C. Sartwelliana, Olney, 1. c. 396. Stem 2 or 3 feet high, glaucous and 

 the whole plant pubescent, the sheaths densely so : bracts without sheaths, the lower 

 exceeding the stem, or the lowest sometimes sheathed, remote and sterile : spikes 5 

 or 6 (rarely 4 or 8), chestnut-colored, cylindrical and erect, densely flowered, the 

 terminal one male (or partially female), the rest female (or the upper one male at 

 top), approximate and sessile, subsquarrose, 1 to If inches long and 2 or 1\ lines 

 thick : perigyniuin chestnut-colored, obovoid, triquetrous, abruptly beaked with an 

 obliquely cut entire orifice, pubescent or densely tomentose, broader and longer or 

 shorter than the chestnut-colored and green-nerved ciliate and pubescent cuspidate- 

 lanceolate or ovate scale : nutlet conformed to the perigyniuin, triquetrous with the 

 angles ribbed. 



In the Yosemite Valley (Brewer, n. 1636 ; Bolande.r, n. 6221) ; allied to C. scabrata, Schwein., 

 and C. amplifolia, Boott. 



-H- -H- Beak bidentate. 



= Perigynium smooth. 



67. C. cinnamomea, Olney, 1. c. Stem 1| to 2 feet long, erect, with short 

 and narrow scabrous leaves, the rudimentary ones dark purple : bracts sheathing, 

 longer or shorter than the stem, the inner sides of the sheaths ferruginous and sca- 

 brous : spikes 3 to 5, erect, 1 to 1| inches long, the terminal one male, cinnamon- 

 colored, fusiform and long-peduncled, the rest female (the upper rarely male at top), 

 cylindrical, densely flowered, the upper approximate, the lower on long-exserted 

 peduncles, attenuate and loosely flowered at base, the lowest remote : scales cinna- 

 mon-colored, green in the middle, membranous, ovate, obtuse, ciliate at top : peri- 

 gynium elliptical, 3-angled, green, rostellate with the bidentate orifice ciliate within, 

 glabrous, nerved, longer and broader than the scale : nutlet obovate, 3-angled. 



In swamps on the Red Mountains, Mendocino County, Bolander, n. 6477. Belonging to the 

 Debiles group, and agreeing with the eastern C. Sullivantii, Boott, in its erect fertile spikes, and 

 with C. glabra, Boott, in its sharply 2-toothed prominently nerved and smooth perigynium. 



68. C. Mendocinensis, Olney, ined. Stem very slender, rather obtusely 

 angled, smooth : leaves 2 to 2| lines broad, flat, the upper about equalling the stem: 

 bracts clasping and sheathed, the lowest and often the next above exceeding the 

 stem, the uppermost shorter than its spike ; sheaths 2 or 3 inches long : spikes 3 

 or 4, chestnut-colored, linear, erect, 1 to 1 inches long, the male single, the female 

 loosely flowered, the uppermost sessile, close to the male and often of equal height, 

 the rest approximate or the lowest ^ to 2 inches distant on a capillary mostly en- 

 closed peduncle ; scales membranous, chestnut-colored with scabrous green keel and 

 scarious ciliate margins, the male oblong-obovate, obtuse or short-cuspidate, the 

 female oblong or ovate, acute or cuspidate, 1 3-nerved : perigynium triangular- 

 ellipsoidal, rostrate, with bidentate beak and the obtuse hyaline teeth ciliate, smooth, 

 nerved, a little longer than the scale : nutlet triangular-obovoid. 



In swamps near Mendocino City, Bolander, n. 4701. Named by Mr. Olney, but without de- 

 scription. 



69. C. luzulina, Olney, 1. c. 395. Rootstock creeping : stem 7 to 12 inches high, 

 leafy at base, obtusely angled, smooth : leaves short, 2 to 4 inches long and 3 lines 

 wide, smooth, flat, the lower recurved : bracts shorter than the stem ; sheaths ^ to 1 

 inch long spikes 4 or 5, rarely 6, dark ferruginous, the upper contiguous, short- 

 oblong and densely flowered, sessile, the terminal one male, the lower female bracted 

 and long-sheathed, the lowest sometimes remote and long-peduncled ; scales ovate, 

 obtuse, chestnut-colored with pale green midnerves, ciliate : perigynium oblong-oval 

 or ovate, with bifid serrate beak, glabrous, obsoletely nerved, shorter than the scale : 

 nutlet obovate. 



In sphagnous swamps near Mendocino City, Bulander, n. 4740. Allied to C. praxox, Jaeq., of 

 Europe and western Asia. 



