702 CYPERACEX : | - "CAREX 
green scales. On shores, California to Washington and the eastern states. 
C. acutina Bailey Mem. Torr. Bot, Club.1, 52. Stems erect, 16-20 
inches high, smooth or rough above, Jeaves flat and thin, about as long as the 
stem; the lower 1 or 2 bracts flat and leaf-Jike, about equalling the stem, 
the margins mostly serrate: spikes 4 or 5, the upper 1 or 2 staminate, all 
approximate and sessile or the lower short-peduncled, 1-2 inches long: peri- 
gynia thin and soft, yellowish somewhat inflated, the small beak entire, 
shorter or longer and broader than the obtuse or muticose scale. Along 
rivers, eastern Oregon. . 
Var. tenuior Bailey 1. c. 53.-Tall and more ‘slender: leaves 
narrower; spikes an inch or less long and more scattered: perigynia smaller. 
Margins of mountain lakes, Oregon and Washington. 7 
C. bovina. Densely matted and forming extensive meadows of many 
acres: stems slender 12-18 inches high, erect: leaves strongly carinate, 
shorter than or equalling the stem: spikes all peduncled or the upper one 
sessile, lower more or less cernuous 12- 18 lines long, nearly 3 lines thick: 
perigynia elliptical, somewhat inflated, broader and shorter than the lanceo- 
late acuminate scale. On lands that are overflown by the Columbiariver in 
Jnne, 
§ 4 Cryprocarrz Tuckerman Enum: Meth. 6 ee Large spec- 
ies with cernuous or drooping large spikes which bear long and 
conspicuous mostly dark scales: stigmas 2. 
C. eryptocarpa C. A. Meyer Mem. Acad. St. Petersb. i. 226, t. 14 
Stems stout, erect, sharply angled, rough above, 13-3 feet high: leaves 
smooth, pale 2-3 lines wide, the basal shorter than or equalling the stem, the 
upper ones and the bracts shorter, all withering with the first frosts: stami- 
nate spikes 2-4, peduncled, 1-2 inches long: pistillate spikes 2-5, all on 
‘ long filiform peduncles and drooping, densely-flowered, often staminate at 
the top, 1-3 inches long, ‘i-4 lines in diameter, scales purple-brown, ascend- 
4ng. lanceolate, acuminate: perigynia elliptical, light colored, 1} lines long; 
ipped with a very short entire beak, much shorter, than the scale. In salt 
marshes Cali ornia to Alaska and Greenland. «>; 
C. Sitchensis Prescott Pong. Veg. Sitch: 163.- Stems stout, 1-4 feet 
high, sharply angled, rough, many-leaved at base. 3-4 lines wide, very dark 
green, persistent through tiie winter, very rigid, the radical longer than the 
stem: spikes dark purple, the staminate 1-4, sessile, erect, 1-3 inches long, 
2-3 lines thick: pistillate spikes 3-5.sessile or more or. less ‘pedunc ed, 1-4 
‘inches long, 3-5 lines thick, spreading or nodding, loosely flowered at base, 
dense above: scales purple, the staminate oblong, obtuse, the pistillate ovate 
or lanceolate, acuminate or awned: perigynia purple or orbicular-obovate, 
abrubtly short-beaked, stipitate, shorter than the scale. In marshes, Califor- 
nia to Alaska. hit 
C. Barbare Dewey Bot. Mex. Bound. 231. Stems slender 2 feet or 
more high; glaucous leaves surpassing the stem: pistillate spikes 2-4, linear, 
- 1-8 inches long, the upper 1 or 2 sessile or short peduncled, the lower very 
long on a peduncle 3-4 inches long: scales dark, obtuse or muticose: perigy- 
nia small appressed, pale, more or less attenuate below, abruptly contracted 
into a short and entire beak, nearly nerveless, shorter Or longer than the 
white backed and brown edged obtuse or muticose scaJe. ‘Banks of streams, 
California and Oregon. " 
C. Howellii Bailey Mem. Bot. Clubi45. Stems stout 3-6 feet high, 
sharply angled, rough above: leaves broad and lax, very long, the sheaths 
covering the base of the stem with along and papery brown envelop: stam- 
