108 
p. 315; FL D. tab, 2341; Colpodium arundinaceum Hook. l.c. p. 238; A. 
latifolia v. arundinacea Ledeb. |. c. p. 435; Schmidt, lc. p. 129. 
Rhizome creeping. Culm erect, 10—60 cm. high. Leaves short, 
broad, flat, scabrous, acuminate; ligule obtuse, erose. Panicle lan- 
ceolate, often dense, pedicels short. Spikelets one-flowered, glumes 
almost equal, ovate-lanceolate, shorter than the pales, which are 
mostly herbaceous, membranous at the top, obtuse, pubescent with 
minute hairs, awn-less. 
Am.: St. Lawrence Island, Port Clarence (!), Kotzebue Sound, Nome 
City, Point Barrow, Arctic Coast and Islands (!), Baffin Land, Grinnell 
Land to 81° 42’, Nottingham Island, Hudson Bay, Hudson Strait, West 
Greenl. 70°—77° 30’ (!), East Greenl. 70°—74° 20’ (!). Eur.: Spitsbergen, 
Novaya Zemlya to 74° (!), Waigats (!), Habarowa, Samoyede Land. As:.: 
Arctic Coast (!), Mouths of the Yenissei, Lena and Kolyma, Taimyr Pe- 
ninsula 74° 75’, Chukches Land (!). 
Geogr. area: Finmarkia, Russian Lapland, Northern Russia, Siberia. 
8. AGROSTIS L. 
A. Pales two, the upper (palet) about °/s as long as the lower. 
a. Ligule long. Panicle after flowering contracted........ A. stolonifera. 
b. Ligule very short, truncate. Panicle after flowering not contracted A. vulgaris. 
B. Only one pale, seldom a very minute upper pale. 
a. Anthers */s as long as the pale. Panicle contracted after flowering A. Canina. 
b. Anthers '/s as long as the pale. Panicle spreading after flowering A. borealis. 
171. A. stolonifera L. 
A. alba L. (?); Lge. Consp. Fl. Groenl. p. 158; Fl. D. tab. 1623; Ledeb. 
Fl. Ross. IV p. 436. 
Stoloniferous. Panicle oblong, after flowering contracted. Glumes 
equal, pales two, lower one sometimes with a short awn. Leaves 
flat, ligule long. 
Am.: West Greenl. 60°—61° 9’ (!). Eur.: Samoyede Land (!). 
Geogr. area: North America (introduced), Iceland, Feerées, Europe, 
North Africa, Northern Asia. 
2 A. vulgaris With. 
Taylor, Pl. coll. at Davis Str. and Baff. Land p. 85. 
Stoloniferous. Panicle oblong-pyramidal, usually not contracted after flowe- 
ring. Glumes equal, pales two, lower one sometimes with a short awn. Leaves 
flat, ligule very short, truncate. 
Am.: Baffin Land at Cumberland Gulf (probably a mistake). 
Geogr. area: North America (introduced), Iceland, Fzrées, Europe, Caucasus. 
172. A. canina L. 
Lge. Consp. Fl. Groenl. p. 153; Fl. D. tab. 1443. 
Stoloniferous. Panicle oblong, contracted after flowering. Glumes 
unequal, only one pale with a bent awn from below the middle 
