494 PROCEEDINGS OF THE AMERICAN ACADEMY. 



Spec. iv. 251; Schkuhr, Riedgr. Nachtr. 24, t. Aaa, fig. 97; Anders. 



1. c. 62, t. 4, fig. 31 ; Torr. 1. c. 39G; Dewey, Am. Jour. Sci. Ser. 2, 



iv. 344; Boott, 1. c. 153, t. 494; Fl. Dan. xiv. 8, t. 2430; Bailey, 



Proc. Am. Acad. xxii. 146 ; Macoun, 1. c. 127; Britton, 1. c. 353, fig. 



854; Meiushausen, Acta Hort. Petrop. xviii. 325. — Arctic regions of 



both hemispheres, extending south in America along the coast of 



Labrador to Quebec, Bonne Esperance {Allen), Watsheeshoo (St. 



Cyr, hb. Geol. Surv. Can. no. 16,524), and Tadousac (Kennedy), 



Saguenay Co. ; Pointe des Monts (Bell) and Grand Etang (Macoun, hb. 



Geol. Surv. Can. no. 30,413), Gaspe Co.: also on the coast of Alaska. 



June-Aug. 



b. Plant stiff and upright, with flat leaves. 



40. C. lagopina, Wahlenb. — Figs. 139, 140. — Culms obtusely 

 angled, mostly erect, smooth except at tip, 1 to 4 dm. high, more or less 

 exceeding the narrow (1 to 8 mm. wide) leaves : spike from cylindric to 

 globose, 1 to 2.5 cm. long, with 3 to 6 ascending spikelets mostly larger 

 than in the last : perigynia brown or reddish-brown, from elliptic-lanceolate 

 to broadly obovate, rather abruptly beaked, 2.5 to 3.8 mm. long, 1.5 to 

 1.9 mm. wide, exceeding the ovate obtuse white-margined fuscous scales. 

 — Kongl. Vet. Acad. Handl. xxiv. 145, & Fl. Lapp. 229 ; Gay, Ann. 

 Sci. Nat. Ser. 2, xi. 177; Drejer, Rev. 25 ; Anders. 1. c. 63, t. 4, fig. 

 28; Reichenb. 1. c. t. 204, fig. 543 ; Torr. 1. c. 393 ; Boott, 111. iv. 189 ; 

 W. Boott in Wats. Bot. Calif, ii. 233 ; Bailey in Coulter, Man. Rocky 

 Mt. Reg. 395, & Proc. Am. Acad. xxii. 145 ; Britton, 1. c. 353, (fig. 

 uncharacteristic) ; Meinsh. 1. c. C. leporina, L. Spec. 973, in part 

 (cit. Fl. Lapp.) ; Oeder, Fl. Dan. ii. 9, t. 294 ; Willd. Spec. iv. 229 ; 

 Schkuhr, Riedgr. Nachtr. 17, in part (excl. t. Fff, fig. 129) ; Host, 

 Gram, iv, 45, t. 80 ; Eng. Bot. Supp. iii. t. 2815. C. Lachenalii, 

 Schkuhr, Riedgr. 51, t. Y. fig. 79. C. approximata, Hoppe, ex DC. Fl. 

 Fr. vi. 290. C. parviflora, Gaud. Etr. Fl. 84, ace. to Boott. C. furva, 

 Webb, Iter Hisp. 5. — Arctic and alpine regions of Europe and Asia : 

 Greenland : Arctic America, rarely south to Mt. Albert, Gaspe Co., 

 Quebec, the mountains of Colorado, and northern California. 

 June-Aue. 



*&■ 



++ ++ Terminal spikelet ovoid or subglobose, not conspicuously clavate at base : 

 perigynia tapering gradually to the tip : culms sharply angled and harsh, 

 upright, the 2 to 5 spikelets crowded at the tip: leaves flat. 



41. C. heleonastes, Ehrh. — Figs. 141, 142. — Culms 1.5 to 3.5 

 cm. high, stiff, usually overtopping the erect narrow (1 or 2 mm. tcide) 



