328 



CYPERACEAE 



I 



119. Carex macrochaeta C. A. Meyer, 

 'ilaskan Long-awned Sedge. Fig. 795. 



A. Meyer, Mem. Acad. St. Petersb. 1: 224. pi. 13 



1855. 



Carc.v macrochaeta C 



1831. 

 Carex excnrrcns Cham.; Steud. Syn. Cyper. 228 



Loosely cespitose, the rootstocks densely matted, tough, 

 fibrous, the culms aphyllopodic, 2-6 dm. high, smooth or slightly 

 roughened above, remotely leafy to the middle, the basal sheaths 

 purplish tinged. Leaf-blades flat, 2.5-5 mm. wide ; terminal spike 

 staminate, peduncled, about 2 cm. long; lateral spikes 2-4, 

 pistillate, more or less strongly separate, the upper short- 

 peduncled and erect, the lower longer peduncled and erect to 

 drooping, oblong or oblong-cylindric, 1-3 cm. long. 6-8 mm. 

 wide, closely 15-40-flowered, the perigynia appressed; lowest 

 bract leaflet-like, not sheathing; scales ovate-oblong, shorter 

 than perigynia, black with whitish midrib excurrent as a slender 

 awn 2-12 mm. long; perigynia obovoid- or oblong-oval, tri- 

 angular-flattened, 4.5-6 mm. long, 2 mm. wide, smooth, sessile 

 or nearly so, obscurely nerved, greenish straw-colored, dark 

 purple spotted, abruptly very minutely tipped, the orifice entire 

 or nearly so; achenes triangular, obovoid-oblong. nearly sessile; 

 style slender ; stigmas 3. 



Abundant along the Alaskan coast, southward to Vancouver Island; 

 Canadian Zone. Reported as found locally at Multnomah Falls, Oregon 

 (Piper). It also is reported from the Pacific Coast of Siberia. Type lo- 

 cility : Unalaska. 



120. Carex spectabilis Dewey. 

 Showy Sedge. Fig. 796. 



Care.v spectabilis Dewey, Am. Journ. Sci. 29: 248. pi. 10, f. 76. 1836. 

 Carex nigella Boott in Hook. Fl. Bor. Am. 2: 225. 1840. 

 Carex podocarpa W. Boott in S. Wats. Bot. Calif. 2: 245. 1880; not 

 R. Br. 



Carex invisa Bailey, Proc. Am. Acad. 22: 82. 1SS6 



Carex tolmiei invisa Kiikenth. in Engler Pflanzenreich 4- : 412. 1909. 



Culms purplish tinged at base, 2.5-5 dm. high from 

 densely matted, tough, fibrillose rootstocks, the lower 

 culm-leaves much reduced. Leaf-blades 2-3.5 dm. wide; 

 terminal spike staminate, its scales with conspicuous more 

 or less excurrent midvein ; pistillate spikes 2-4, erect, 

 oblong, 1-2 cm. long, 3.5-5 mm. wide, closely 15-30- 

 flowered, not aggregated, the upper short-peduncled, the 

 lower long-peduncled; bracts sheathless, the lowest about 

 equalling the inflorescence; scales exceeded by perigynia, 

 purplish-black with white usually excurrent midvein ; peri- 

 gynia ovate, 4 mm. long, 2 mm. wide, much flattened, sessile, 

 rounded at base and apex, abruptly minutely beaked, the 

 beak bidentulate; achenes triangular, short stipitate, jointed 

 with the slender style ; stigmas 3. 



Mountains and meadows, Arctic-Alpine Zone; Alaska to Mon- 

 tana and south in the higher mountains to Tulare County, Cali- 

 fornia. Type locality: "Arctic regions" [Rocky Mountains of British 

 Columbia]. 



121. Carex tolmiei Boott. 



797. 



Tolmie's Sedge. 



Fig. 



1840. 



305. 1904. 

 1922. 



Carex tolmiei Boott in Hook. Fl. Bor. Am. 2: 224. 

 Carex microchaeta Holm, Am. Journ. Sci. IV. 17 

 Carex paysonis Clokey, Am. Journ. Sci. V. 3: 89. 



Rootstocks woody, creeping, the culms phyllopodic, tri- 

 angular, manv-leaved, brownish at base, 1.5-5 dm. high. 

 Leaf-blades 2.5^ mm. wide; terminal spike staminate, 

 sessile or short-peduncled, 8-20 mm. long, its scales 

 purplish-black with white non-excurrent midvein; pistillate 

 spikes 2-6 (8) erect, short oblong, 8-15 mm. long. 6-8 mm. 

 wide, closely 20-40-flowered, approximate or the lower 

 separate, sessile or short-peduncled; bracts sheathless, the 

 lowest from shorter than to exceeding the culm; scales 

 ovate, acute, shorter than the perigynia, purplish-black 

 with white often obsolete usually non-excurrent midvein; 

 perigynia oblong ovate, much flattened, 4 mm. long. 1.8 mm. 

 widei straw color and purplish tinged above, membranace- 

 ous, granular, lightly few-nerved, sessile, rounded at base 

 and apex, abruptly minutely beaked, the beak 0.5 mm. 

 long, bidentulate or nearly entire, purplish black; achenes 

 triangular, short stipitate; style slender jointed with the 

 achene ; stigmas 3. slender. 



Mountain meadows. Canadian and Hudsonian Zones; from Wyo- 

 ming and Alberta to Idaho and Washington. Type locality: Co- 

 lumbia River. 



