70 
desertorum, Richards., really is, a separate species or a variety of S. gJauca, I ha ve 
not seen materials enough to venture an assertion about. Certaiuly, bowever, it is 
a more soutbern form, only reacbing tbe Arctic Coast west of tbe Mackenzie River. 
Macoun, Cat., p. 448, also gives it a decidedly soutbern distribution and calls it 
»prairie willow». 
? Salix labradorica, Rydb. 
Geographic area. Labrador. 
Aa far as raay be judged from the description in Rydbekg, Willows, p. 274, bis species 
falla within tbe range of S. glauco. If tbe Ponds Bay plant is the same as tbe original from 
? Salix atra, Rydb. 
Distribution. Batfin Land: Upper Savage Islands, Bell (ex Rydberg, Willows). 
Geograpbic area. Labrador. 
According to tbe description this certainly is an unimportant form of S. glauca. The tur 
ning black of tbe leaves is verv common in tbat species, especially when not carefully dried, as 
will easily happen during a voyage. 
73. Salix arctica, Pallas. 
8. groenlandica, Ambronn, Kingua, Holm, Cat., Macoun, App. Arctic, Rydberg, List Peary, 
Rowlee & WiEGAND, Cornell list; S. anglorum, Macoun, App. Neptune, Rydberg, 1. c; 
S. cordifolia, Sutherland, Journ. 
Distribution. Banks Land: Bäring Land, M'Cluke (KH), Mercy Bay, Miert- 
schIxNg (KH), M'Cliire (Papers rel. Aret. Exp., p. 52, NW Passage, p. 218), Cape 
Russel, M'Clure (NW Passage, p. 140); Victoria Land: Mount Adventure, M'Clure 
(NW Passage, p. 125), Minto Inlet (KH) nnd Cambridge Bay (KH), Andehson; King 
William Land: Gjöa Harbour, Lindström (ex Ostenpeld, Gjöa Exp.); [Bootbia 
Felix ?, John Ross (KH)]; Nortb Sommerset: Port Kennedy, Walker (ex Hooker, 
Exp. Fox), Cape Garry, Markham (KH), Port Leopold, M'Clintock (ex Markham, 
Life, p. 246), »Regeuts Inlet», Parry (ex Hooker, App. Parry IH); [MelviUe Penin- 
sula: interiör, Rae (Exp.), Igloolik, Parry (NHM, KH, CH), Hooper (LS), soutb sbore 
of Fury and Hecla Strait, Parry (CH), Bouverie Islands, Parry (Journ. II, p. 308), 
Winter Island, J. C. Ross (KH), Barrow River, Parry (ex Hooker, App. Parry 
II); Soutbampton Island: Duke of Yorks Bay, Lyon (Journ., p. 46); Mansfield and 
Nottingbam Islands, Bell (ex Macoun, Cat.)]; Baffin Land: Upper Savage Islands, 
J. C. Ross (KH), Parry (ex Hooker, App. Parry II), Lyon (1. c, p. 32), Bell (ex 
Macoun, 1. c.), Big Island, Tarr (ex Rowlee & Wiegand, Cornell bst), Murray 
Maxwell Inlet, Hoppner (ex Parry, Journ. II, p. 453), Gifford River, Hoppner (ex 
Parry, 1. c, p. 466), Cumberland Gulf, Kumlien (Plants), Giese (ex Ambronn, 1. c), 
Kiugnait, Taylor (NHM, KH), Kivitung, Boas (ex Ambronn, I. c), Exeter Fjord, 
Taylor (KH), Cape Haven, Schuchert & White (ex Holm, 1. c), Scotts Bay, Parry 
