342 



CYPERACEAE 



161. Carex pauciflora Lightf. 

 Few-flowered Sedge. Fig. SoJ. 



Carcx pauciflora I.ightf. Fl. Scot. 543. />/. 6. 17T7. 



Culms l-few together from slender long running rootstocks, 10-25 

 cm. liigli, triangular, slender, roughened on the angles. Leaves 2-3 to a 

 culm, the blades canaliculate, light green, 1-1.5 mm. wide; spike solitary 

 androg\'nous, the staminate flowers 1-6, conspicuous ; bracts none ; scales 

 lanceolate, acutish, the staminate flosel}- appressed, the pistillate early 

 falling; perigynia 1-6. reflexed, jointed to rachis and soon deciduous, 

 2-3 times length of scale, greenish straw color, linear-lanceolate, ob- 

 scurely triangular, 6-8 mm. long, barely 1 mm. wide, obscurely several 

 nerved, glabrous, rounded and substipitate at base, tapering into the 

 slender entire beak with oblique orifice ; achenes linear-oblong, 2 mm. 

 long, continuous with the long slender style ; stigmas 3. 



S|)hagnum bogs, Canadian Zone; Newfoundland to Alaska, south to Connecticut, 

 Pennsj-lvania, Michigan, and Washington. Type locality: Scotland. 



162. Carex vesicaria L. 



Inflated Sedge. Fig. 838. 



Carex vesicaria L. Sp. PI. 979. 1753. 



Care.v monile Tuckerm. Enuni. Meth. 20. 1843. 



Carex vesicaria obtiisisqiianiis Bailey, Bot. Gaz. 9: 121. 1SS4. 



Carex monile colorata Bailey, Mem. Torrey Club 1 : 39. 1889. 



Carex monile pacifica Bailey, Proc. Calif. Acad. Sci. II. 3: 105. 1891. 



Rootstocks short-creeping and stoloniferous, the culms 3-9 

 dm. high, acutely angled and rough above, slender to stoutish, 

 aphyllopodic and purplish tinged at base. Leaf -blades 3-6 mm. 

 wide, the sheaths sparingly nodulose dorsally and usually some- 

 what breaking and filamentose ventrally ; staminate spikes 2-4. 

 linear, 2-4 cm. long, 2.5^ mm. wide ; pistillate spikes 1-3, 

 sessile or short-peduncled. erect, oblong-cylindric, 2.5-7 cm. 

 long, 6-15 mm. wide, many-flowered, more or less strongly 

 separate ; lower bracts exceeding culms ; scales ovate or lanceo- 

 late, one-half to two-thirds length of perigynia, acute, acuminate 

 or short awned ; perigynia ovoid, round in cross section, ascend- 

 ing, 5-8 mm. long, yellowish green or darker-tinged, 8-10- 

 nerved, the beak smooth 2 mm. long, the teeth erect. 0.5 mm. 

 long; achenes triangular; style continuous with achene ; 

 stigmas 3. 



Wet meadows and swamps. Transition Zone; Quebec to British Co- 

 lumbia, south to Pennsylvania, Ohio, and in California as far as Marin 

 and Tulare Counties; widely distributed in Eurasia and found in north- 

 ern Africa. Very variable. Type locality: Europe. 



163. Carex exsiccata Bailev. 



Western Inflated Sedge. 



Fig. 839. 



1840. 

 1872. 



Carcx vesicaria major Boott in Hook. Fl. Bor. Am. 2: 221. 

 Carex vesicaria lauccohita OIney, Proc. Am. Acad. 8: 407. 

 Care.v vesicaria globosa Olney, I.e. 408. 1872. 

 Carex exsiccata Bailey, Mem. Torrey Club 1 : 6. 1889. 



Rootstocks stout, short-creeping, the culrps stout, 3-10 

 dm. high, acutely triangular and rough above, aphyllopodic. 

 more or less purplish tinged at base. Leaf-blades 3-6 mm. 

 wide, the sheaths sparingly nodulose dorsally and usually 

 somewhat breaking and filamentose ventrally ; staminate 

 spikes 2-4, 2-4.5 cin. long, narrow ; pistillate spikes 1-3, 

 sessile or short-peduncled, more or less strongly separate, 

 erect, cylindric, 2-7 cm. long, 10-14 mm. wide, closely many- 

 flowered ; lower bracts exceeding culm ; scales lanceolate 

 ovate, narrower than and about half length of perigynia. 

 sharp-pointed ; perigynia lanceolate, ascending, 7-10 mm. 

 long, little inflated, olive green, 8-10-ri1)bed, tapering to the 

 beak, the beak 1.5-2 min. long, smooth, the teeth erect, 0.5 

 mm. long ; achenes triangular ; style slender, continuous 

 with the achene ; stigmas 3. 



Wet places. Transition Zone; southern Alaska to middle Cali- 

 fornia, east to Montana; in California confined to the Coast Ranges 

 from San Mateo County northward. Type locality: Columbia River. 



