224 



OYPEIIACEAE (sEDGE FAMILY) 



885. C caneac, 

 V. subloliacea. 



flowered green spikes (3.5-7 mm. long), the terminal usually with a long-clavate 

 base, the lower often subtended by a setiform bract ;' pfirigynia elliptic-ovate, 

 with a narrow substipitate base, wide-spreading or recurved, much exceeding 

 tlie acutish scales. — Wet woods and swamps, e. Mass. to centr. 

 N. Y. and Del. May, June. Fig. 382. 



31. C. arcta Boott. Pale green or somewhat glaucous ; culms 

 re.ry soft, in loose stools, 1.5-6 dm. high, often overtopped by the 

 soft flat leaven (^.5-4 mm. broad) ; inflorescence of 

 5-13 ovoid or subcylindrio spikelets (6-11 mm. 

 lung); perigynia cordate-ovate, with a rather definite 

 beak, strongly nerved on the outer, faintly on the 

 388 C .arcta. 'n^er face, 2-3 mm. long, 1.2-1.5 mm. broad, some- 

 what exceeding the acute often brown-tinged scales. 

 ( C. canescens, var. polystachya Boott.) — Wet woods, alluvial 

 thickets, etc.. Me. and Que. to B. C, s. to Mass., N. Y., Mich., 

 and Minn. june-Aug. Fio. 383. 



32. C- can§scens L. Culms soft, in loose stools, 1.5-6 dm. 

 high ; leaves soft and flat, shorter than or exceeding the culms ; 

 inflorescence 2.5-5 cm. long, of 4-7 short-oylindrio 

 to narrowly obovoid appressed-ascending approxi- 384. c. (aneBce.s. 

 mate or slightly remote spikes ; perigynia ovoid- 

 oblong, usually serrulate toward the short-pointed tip, 1.3-1.7 mm. 

 broad, more or less nerved on both faces, somewhat exceeding 

 the ovate pointed scale. — Wet places. Lab. to B. C, 

 locally s. to Ct., and Mich. May-Aug. (Eurasia.) 

 Fig. 384. 



Var. subloli&cea Laestad. Smaller ; the spikes 

 short-oblong or subglobose ; perigynia smaller, barely 

 2 mm. long, smooth throughout. — Similar range. 

 (Eu.) Fig. 386. 

 Var. disjdncta Fernald. Tall and lax, 3-8 dm. high ; inflo- 

 rescence elongated, fiexuous, 0.5-1.5 dm. long; spikes 5-8, ellip- 

 soid to cylindric, all but the terminal remote; 

 perigynia as in the species. — Nfd. to Wise, 0., 

 and Pa., common. Fig. 386. 



33. C. brunnSscens Poir. Very slender and 

 lax; culms 1.5-7 dm. high; leaves soft, flat; 

 inflorescence 1-6 cm. long, of 3-6 more or less 

 remote or approximate subglobose or ellipsoid 

 spikes (3-7 mm. long); perigynia 2-2.7 mm. ^t 

 long, 1-1.5 mm. broad, serrulate at the base ^^ 

 of the distinct beak, loosely spreading when \ 



B87. C. brunnesoens. »»«««'-e. ( C cancsceres, vars aZpicoZa Wah- i 



lenb. and vulgaris Bailey.) — Open woods and 886. c. cnnesc, 

 dry rocky banks, Nfd. to B. C, s. to N. "C, Mich., Wise, etc. v. disjuncta. 

 June-Aug. (Eu.) Fig. 387. 

 V 34. C. bromoides Schkuhr. Very slender and 

 lax, green, scarcely glaucous ; the culms 3-8 dm. 

 long, mostly exceeding the soft flat leaves ; 

 inflorescence loosely subcylindric, 2-5.5 cm. 

 long, of 2-6 approximate or slightly scattered 

 spikes (0.5-2. cm. long); beak of the perigynium 

 j-f as long as the strongly nerved body, slightly 

 exceeding the oblong pointed scale. — Rich low 

 woods and swamps, N. S. to Ont., and south w. 

 May-July. Fig. 388. 



35. C. Deweyana Schwein. Very lax, glati- 

 cous ; the culms 2-12 dm. long, much exceeding 

 the soft flat leaves ; inflore^scence flexuous, 2-6 

 SM O. bromoides. em. long; the 2-7 smike-t. S-12-1l,owered (5-12 889. O. Deweyana 



