CYPERACBAE (SEDGE FAMILY) 



223 



870. C. stel!., 

 V. ormantha. 



377. 0. stell., 

 V. excelsior. 



on the inner face, 3-4 mm. long, J or J exceeding tlie ovate pointed 

 Ijrownish scale. (O. ecbi'nata, var. microstachys Boeckl. ; O. sterilis 

 Am. antli., not Willd.) — Open low grourfd, Lab. to Alaska, s, to 

 Md.,0., Mich., etc. June- Aug. (Eurasia.) Fic. 375. 

 Var. ormintha Fernald. Inflorescence 2-6 cm. 

 long, of 2-4 very remote 3-9-floioerecl apikes, the ter- 

 minal one with a clavate base 0.5-1 cin. long ; peri- 

 gynla as in the typical form, mostly twice as Ions 

 as the scales. — Less common. Vm. 376. 



Var. excelsior (Bailey) Fernald. Tall and slen- 

 der, 0..3-1 m. high ; inflorescence 3-5.6 cm. long, 

 spikes 3-9, distinct, only the lowermost remote, 

 12-20-flowered, at first ellipsoid, with the perigynia 

 ascending, later subglobose, with strongly reflexed 

 perigynia \ longer than the scales. —Nfd. to Mich. 

 and N. C. Fig. 377. 



Var. cephaUntha (Bailey) Fernald. The coarsest form, 

 3-7 dm. high ; inflorescence cylindric or slightly moniliform, 

 3-7.5 CTTi. long, the 4^-8 short-cylindric spikes ih-AO-flowered ; 

 perigynia ovate. (C. echinata, var. Bailey. ) — Nfd. to Mich., 

 B. C, and N. C. Fig. 378. 



Var. angustUta Carey. Extremely slender or almost aeta^ 

 ceouB, 1-2 dm. high (in shade often higher) ; leaves 0.5-1.5 mm. 

 wide; inflorescence 0.76-2.5 cm. long, the few 3-15- 

 flowered spikes approximate; the divaricate peri- 

 gynia lanceolate or lance-ovate, 2.5-3 mm. long, 

 twice exceeding the scales. (O. echinata, var. Bailey ; 

 C. sterilis, var. Bailey.) — N. S. co Ct., w. Que., 

 111., and Wise. Fig. 379. 



28. C. sterilis Willd. Coarse, 1 m. or less tall ; 

 leaves flat, shorter than or equaling the culms ; in- 

 florescence 0/3-6 subglobose or thick-cylindric densely 

 flowered olive-green crowded or distinct spikes ; the thick strongly 

 many-nerved perigynia broad-ovate, 3-3.5 mm. long, 2-3 mm. 

 broad, squarrose or with recurved tips. (C echi- 

 nata, var. conferta and G. atlantica Bailey.) ■ — 

 Coastal bogs and pine-barrens, Nfd. to Fla. , rarely 

 inland to n. Me., Adirondack Mts., N. Y., and 

 Mt. Sorrow, Pa. June, July. Fig. 380. 



29. C. scirpoides Schkuhr. Slender, 1.5-5 dm. 



/'■^ '^^ high; the leaves 1-2.5 mm. wide; the 2-5 spikes 



all fertile, all sterile, or variously mixed, usually subglobose, 

 4-5 tnm. in diameter, the terminal long-clavate at base ; peri- 

 10. C sterilis fi'2/'»>a! firm, plump, olive-green or -brown, more or less nerved 

 or essentially nerveless, broadly deltoid-ovate, obscurely short- 

 beaked and with slightly thickened margin, 2.3-3.2 mm. long, 

 1 . 5-2 mm. broad, finally wide-spreading or recurved, 

 much exceeding the oblong or ovate blu7it scales. 

 (C interior Bailey.) — Damp or wet soil, e. Que. 

 to Hudson Bay, B. C., Fla., and Ariz. May-Aug. 

 Pig. 381. 



Var. capillkcea (Bailey) Fernald. Stiff, culms 

 almost bristle-like; leaves about 0.5 mm. broad, 

 often involute ; perigynia strongly nerved. ((7. in- 

 terior, var. Bailey. ) — N. H. to N. Y. , N. J. , and Pa. 

 Var. Josselynii Fernald. Perigynia lance-subu- 

 late, barely 1 mm. broad, mostly ascending. — By St. John R. , Me. 

 30. C. se(5rsa E. C. Howe. Culms soft, in loose stools, 3.5-6.5 

 dm. high ; leaves shorter, soft, pale, 2-4 mm. broad ; inflorescence 

 2. 0. seorsa. 2.5-7 cm. long, of 2-6 mostly remote subglobose or ellipsoid 6-20- 



381. C. scirpoides- 



