40 
Am.: Arctic Shores and Islands. As.: St. Lawrence Bay in Chuk- 
ches Land. 
Geogr. area: North America, Europe, Asia Minor, Northern Asia. 
86. E. polystachyum L. 
Peary, Auxil. Exp. App.,C. p.7; Hart, Brit. Pol. Exped. p. 303; E. 
angustifolium Hook. Fl. bor. Am. II p. 231; Taylor, Pl. coll. at Davis Str. 
and Baff. Bay p, 84; Lge. Consp. Fl. Groenl. p.180 and p. 287; Hartz, 
Nordést Groénl. p. 344; Ledeb. Fl. Ross. IV p. 254; Blytt, Bidrag p. 19; 
Feilden, Fl. of Kolguev p. 184, Nov. Zemlya p. 21; Kjellm. & Lundstr., 
Noy. Semlja p. 36; Trauty. Consp. Fl. Noy. Zeml. p. 80, Fl. Kolym. p. 565, 
Fl]. Terr. Tschuktsch. p.38, Pl: Sib. bor. p. 122; Schmidt, Fl. Jeniss: 
Kjellm., Sib. Nordk. Fanerogamfl. p. 276, As. Beringss. p. 564, St. Law- 
rence-6n p. 22, Vest-Eskim. Land p. 58; Eastwood, Pl. coll. at Nome City, 
p. 130; Fl. D. tab. 1442; f. tristis Th. Fr., Nath., Spetsb. Karlv. p. 36. 
Culms nearly terete or obscurely obtuse-triangular above; leaves 
flat in the lower part, keeled, triangular from above the middle, 
rough-margined; peduncles of the spikelets smooth (sometimes a 
little rough) and often flattened; bristles numerous very long, white; 
anthers about as long as the filaments. 
Common in the Arctic regions and very variable in length of 
the peduncles, number of spikelets and height. Sometimes the scales 
are dark (f. tristis Th. Fries). 
Am.: The whole of Arctic North America from Beering Sea to 
Davis Strait (!), West Greenl. 60°—82° (!), East Green]. 60°—75° (!). Eur.: 
Spitsbergen (!), Kolguey, Dolgoi Island (!), Waigats (!), Novaya Zemlya to 
74° (!), Habarowa (!), Samoyede Land. <As.: Arctic Shores and Islands 
to Chukches Land (!). 
Geogr. area: North America, Iceland, Feerées, Europe, Northern Asia. 
87. E. vaginatum L. 
Hart, Brit. Pol. Exped. p. 242 (?); Ledeb. Fl. Ross. IV p. 252; Blytt, 
Bidrag p. 19; Feilden, Fl. of Kolguev p.184, Nov. Zemlya p. 21; Trautv. 
Fl. Taimyr p. 22, Consp. Fl. Nov. Zeml. p. 81, Pl. Sib. bor. p. 121, Fl. 
Kolym. p.565, Fl. Terr. Tschuksch. p.38; Schmidt, Pl. Jeniss. arct. p.123; 
Kjellm., Sib. Nordk. Fanerogamfl. p. 276, As. Beringss. p. 564, Vest-Eskim. 
Land p.58; Fl. D. tab. 236; Eastwood, Pl. coll. at Nome City p. 130. 
Large and dense tufts with numerous culms; culms obtusely 
triangular above, with two inflated sheaths; scales obovate-lanceolate, 
long-pointed, membranous, greyish; anthers long, linear, a little 
shorter than the filaments; bristles glossy white. 
Am.: Port Clarence (!), Nome City, {? West Greenl. 72°—78°). Eur.: 
Kolguev, Waigats (!), Novaya Zemlya to 74° (!). As.: The Arctic Coast 
from the Yenissei to Chukches Land (!). 
Geogr. area: Northern North America, Feerées, North and Central 
Europe, Caucasus, Northern Asia. 
