FERNALD. CARICES OF SECTION HYPARRHENAE. 487 



1- t- Perigynia broadest near the middle. 

 ++ Perigynia 2 to 3 mm. long, fully half as broad. 



= Plant glaucous : spikelets oblong-cylindric to ovoid ; the strongly appressed- 

 ascending pale perigynia slightly roughened or smooth above, tapering gradu- 

 ally to the short obscure beak. 



31. C. CANESCENS, L. — Figs. 114, 115. — Culms soft, in loose stools, 

 1.5 to 6 dm. high: leaves soft and flat, shorter than or exceeding the 

 culms, 3 to 4 *'2'^' hroad: spike 2.5 to 5 em. long, of 4 to 7 oblong- 

 cylindric to narrowly obovoid appressed-asc ending approximate or slightly 

 remote spikelets 0.6 to 1 cm. long, the lowermost rarely 1.5 cm. apart: 

 perigynia glaucous, ovoid-oblong, usually serrulate toward the short- 

 pointed tip, 2.3 to 3 mm. long, 1.3 to 1.7 mm. broad, more or less nerved 

 on both faces, somewhat exceeding the ovate pointed scale. Sp. ii. 

 974 ; Oeder, Fl. Dan. ii. 8, t. 285 ; Lightf. Fl. Scot. ii. 550 ; Reichb. 

 Ic. Fl. Germ. viii. 7, t. 206, fig. 546; Anders. Cyp. Scand. 57, t. 4, 

 fig. 39; Boott, 111. iv. 154, in part; W. Boott ex Rothrock in Wheeler, 

 Eep. 277 ; Ett. & Pok. Phys. PI. Aust. vi. t. 515 ; Richter, PL Eu. 

 i. 151. C. brizoides, Huds. Fl. Ang. 349, not L. C. elongata, Leers, 

 Fl. Herb. 197, t. 14, fig. 7; Oluey ex Wats. Bot. King Rep. 365; 

 Bailey in Coulter, Man. Rocky Mt. Reg. 394, in part ; not L. C. cinerea, 

 Pollich, PL Palat. ii. 571. C. Richardi, ThuilL Fl. Par. (1799) 482. 

 G. curta. Good. Ti'ans. Linn. Soc. ii. 145; Host, Gram. i. 37, t. 48; 

 Schkuhr, Handb. iii. 347, t. 287C, fig. 13; Eng. Bot. xx. t. 1386; 

 Kuuth, Enum. ii. 403. G. lagopina, Olney ex Wats. Bot. King Rep. 

 365, in part, not Wahl. G. canescens, var. dubia, Bailey, Bot. Gaz. 

 ix. 119 & Proc. Am. Acad. xxii. 143. G. canescens, var. robustina, 

 Macoun, 1. c. 376. — Northern Europe. In wet places, seen from the 

 following American stations — Labrador, (Spreadborough hb. Geol. 

 Surv. Can. no. 13,372) : Rupert Land, Lake Mistassini (J. M. Macoun, 

 hb. Geol. Surv. Can. no. 30,511) : Maine, Fort Kent, Island Falls, 

 and Foxcroft {M. L. Fernald, nos. 2143, 2144, 2145): New Hamp- 

 shire, Mt. Washington and Mt. Lafayette {E. ^ G. E. Faxon) ; 

 Crawfords {E. F. Williams) : Vermont, Eipton {Ezra Brainerd) : On- 

 tario, Belleville & Lake Nipigon (J. Macoun, hb. Geol. Surv. Can. 

 nos. 30,513, & 30,512) : Michigan, Alma (C. A. Davis): Colorado, 

 Twin Lakes (J. Wolf, no. 1017); Bob Creek, alt. 3,230 m. (Baker, 

 Earle S,- Tracy, no. 693) : Montana, Grasshopper Valley (S. Watson, 

 no. 435) : Wyoming, without station (Parry, no. 278) ; Centennial 

 Hills (A. Nelson, no. 1730) ; Beaver Lake (A. ^ E. Nelson, no. 6130) : 



