107 
on the dorsal vein and covered with short hairs. Pales */s as long 
as the glumes, unequal, membranous; awn short, from about the 
middle. Hairs as long as the pale. 
We cannot find any marked difference 
between C. Langsdorfii and C. phragmitoides, 
therefore we have combined them under 
the older name. 
Am.: Kotzebue Sound, West Greenl. 60°— 
69° 32'(!), East Greenl. 60°—61°(!). Eur.: 
Samoyede Land (!). As.: Mouth of the Ye- 
nissei (!), Chukches Land. 
Geogr. area: Northern North America, 
Northern Scandinavia, Denmark, Northeast 
Germany [rare], Finland, Russia, Siberia. 

169. C. canadensis (Michx.) Beauv. 
Hook. Fl. bor. Am. II p. 240; J. Hook., 
Coll. of Arctic Pl. p. 124. 
Culm erect, more than 1 metre high, 
with 5—6 joints. Panicle 10—15 cm. long. 
Spikelets very small, about 2 mm. long. 
Glumes broad-lanceolate, acute ; pales mem- 
branous, lower one with a short awn from | 
below the middle, scarcely stouter than 
the hairs which are as long as the pale. 


Am.: Kotzebue Sound, Arctic Coast. 
Geogr. area: North America. 
7. ARCTAGROSTIS Griseb. 
170. A. latifolia (R. Br.) Griseb. in 
Ledeb. FI. Ross. IV p. 434. 
Peary, Auxil. Exp. App. C. p. 8; East- 
wood, PI. coll. at Nome City, p. 130; Macoun, 
Catalogue IV p. 20; Trautv. Consp. Fl. Nov. 
Zeml. p. 87, Fl. Terr. Tschuktsch. p. 40, PI. 
Sib. bor. p. 143, Fl. rip. Kolym. p. 572: Gree- 
ly, Lady Frankl. Bay Exped. p. 15; Schmidt, 
Jeniss. arct. p. 129; Colpodium latifolium R. 
Br. Verm. Schr. I p. 414; Hook. Fl. bor. Am. 

Fig. 82. Arctagrostis latifolia (R. Br.) 
II p. 238; Macoun, Catalogue IV p. 201; Lge. Gia, Gh aes Aho 
Consp. Fl. Groenl. p. 166; Hart, Brit. Pol. (Spec. from East Greenland). 
Exped. p. 142; Taylor, Pl. coll. at Davis Str. 
and Baff. Bay p. 86; Hartz, Nordést Gronl. p. 349; Dusén, Ost-Gronl. 
p. 59; Nath., Spetsb. Karly. p. 32; Feilden, Noy. Zeml. p. 23; Kjellm., Sib. 
Nordk. Fanerogamfl. p. 274, As. Beringss. p. 559, St. Lawrence-6n p. 21, 
Vest-Eskim. Land p.55; Kjellm. & Lundstr., Fanerogamfl. fr. Noy. Semlja 
