I 
The var.arclica Kuhn is only a dwarf form of f. dentata, 
fronds beeing c.5 em. high; the var. fenuis Lge Consp., 
regularis et lingueformis A. C. Schultz in Lge Consp. 
belong to the most common form: denfata Hook. 
Am.: Kotzebue Sound, Minto Inlet, Baffin Land, 
Grinnell Land to 81° 44’, West Greenl. 60°—78° 30’ (1), 
East Greenl. 60°—74° 45’ (). Eur.: Jan Mayen, Spits- 
bergen, Novaya Zemlya to 74°, Waigats. As.: mouth of the 
Kolyma, Chukches Land. 
Geogr. area: North, Central and South America, 
Iceland, Frrées, Europe, North Africa, Northern Asia, 
Kerguelen Island, Tasmania, New Zealand. 
4. WOODSIA R. Br. 
13. W. ilvensis (L.) R. Br., enlarged. 
Rhizome short and densely branched, fronds 
compact ceespitose. Fronds at last articulate at a 
node on the stipes below the middle, so that the 
rhizome becomes densely covered with stalk remains. 
Fronds pinnate, pinne pinnatifid or lobed. Stalk, 
rachis and underside more or less covered with scales 
and long hairs, seldom glabrous, on the upper side migueawootataittoen” 
hairy or glabrous. Indusium attached under the sis (Lj, @, rufiduta 
(Michx.) Koch ; #/, nat 

cluster, divided into numerous capillary segments. 
size. (Spec, from West 
Stalk reddish-brown or straw-colored. CnGEN EM 
a, rufidula (Michx.) Koch. 
W. ilvensis (L.) R. Br.; Taylor Pl. coll. at Davis Str. 
and Baff. Bay p. 86; Lge. Consp. Fl. Groenl. p. 188; Kurtz, 
Flora d. Tschuktsch. p. 482. FI. D. t. 2186. 
Fronds pinnate, pinnze pinnatifid, oblong or 
ovate. Frond and stalk densely covered with scales 
and long hairs, about 15 cm. high. 
8, alpina (Bolton) Aschers. & Grabner, Syn. I p. 46. 
W. hyperborea R. Br.; Hook. Fox Exped. p. 85; Hart, 
Brit. Pol. Exped. p. 142; Macoun, Catalogue V, p. 282; Lge. 
Consp. Fl. Groenl. p. 189; Taylor, Pl. coll. at Davis Str. and 
Baff. Bay p. 86. FI. D. t. 2921 fig. 2. 
Fronds pinnate, pinnee more or less lobed, tri- 
angular. Frond and stalk more or less hairy, about 
10 em. high. 
7, glabella (R. Br.) Trauty. Syll. Pl. Sib. bor. orient. 70) 6, aipina 
p- 546. Bolton) Aschers. ; 5/4 
nat. size. (Spec. from 
W. glabella R. Br.; Taylor, Pl. coll. at Davis Str. & Baff. Ieeland). 

Fig. 7. Woodsia ilven- 
