100 
Ledeb. lc. p.462; A. alpinus y. brachystachya Trauty. Fl. Terr. Tschuktsch. 
p. 40; A. ovatus Horn., Fl. D. tab. 1565. 
Culm smooth, ascending, stoloniferous. Panicle ovate; glumes 
connected below, acute, densely hairy; pale as long as the glumes, 
with a short awn, which sometimes does not exceed the spikelet 
(f. mutica Sommerfelt). 
Am.: St. Lawrence Island, Kotzebue Sound, Nome City, Point 
Barrow, Arctic Sea-shores and Islands (!), Hudson Strait, Baffin Land, 
Ellesmere Land, Grinnell Land 81° 44’, 83° 4’ (2), West Greenl. 61° 53’— 
81° 40’ (), East Greenl. 70°—75° (1). Eur.: Spitsbergen (!), King Charles 
Islands, Franz Josef Archipelago (!), Kolguevy, Novaya Zemlya to 74° 
25’, Waigats, Habarowa. <As.: Arctic Coast (!), Mouth of the Yenissei, 
Taimyr Peninsula 73° 30’—75° 36’, New Siberian Islands, Chukches Land. 
Geogr. area: Northern North America, Rocky Mountains, Scotland, 
Northern Russia (Samoyede Land). 
158. A. aristulatus Michx., Fl. Bor. Am. I p. 43 (1803). 
A. fulvus Sm. (1805), Lge. Consp. Fl. Groenl. p. 294; Rosenv., Till. 
p. 727; Fl. D. tab. 1804; Abromeit, Grénl. Exp. p. 96; A. geniculatus Lge. 
l.c. p. 156, non Linné. 
Culm smooth, creeping, ascending, bent at the knots, upper 
sheaths inflated. Panicle cylindrical; glumes connected below, ob- 
tuse, ciliate; pale often shortly exceeding the glumes and with a 
short awn from about the middle; awn included or only slightly 
exceeding the pale. Anthers yellowish-brown, short and broad. 
Often floating in water. 
Am.: West Greenl. 60°—70° 30’ (!), East Greenl. 65° 35’ (!). 
Geogr. area: North America, Iceland, Europe, Northern Asia. 
4, PHLEUM L. 
159. P. pratense L. 
Trautyv. Ross. Arct. Pl. p.550; FI. D. tab. 1984. 
Panicle dense, long, cylindrical. Glumes oblong, obtuse, ciliate 
on the back, with a short, glabrous awn. Upper sheath non-inflated. 
Eur.: Novaya Zemlya at 72°—73° (?), (West Greenl. 61913’ introduced). 
Geogr. area: North America (introduced), Iceland (introduced), 
Fer6es (introduced), Europe, Northern Africa (introduced), Caucasus, 
Northern Asia. 
160. P. alpinum L. 
Rothr., Fl. of Alaska p. 459; Lge. Consp. Fl. Groenl. p. 155; Ledeb. 
Fl. Ross. IV p. 458; Kurtz, Bericht. p. 148; Fl. D. tab. 213. 
Culm erect or ascending, 10—40 cm. high; upper sheath inflated. 
Panicle dense, ovate-oblong; glumes obtuse, ciliate on the back, 
with a rough awn about as long as the glume. 
