1914] Fernald,— Some Willows of boreal America 171 
of the genus in De Candolle's Prodromus, Andersson threw all three 
together as one species distinct from S. myrsinites and rechristened 
S. novae-angliae “ Hab. in America septentrionali ad fl. Saskatchavan, 
et in Montibus petrosis summis." ! As treated in the Monographia, 
S. novae-angliae consisted of three subspecies: S. novae-angliae, 1. 
S. pseudo-myrsinites, based on the former S. myrsinites, 1. S. pseudo- 
myrsinites, and made in the Monographia to consist of three defined 
forms; S. novae-angliae, 2. S. pseudo-cordata, based on the earlier S. 
myrsiniles, 2. S. curtiflora; and S. novae-angliae, 3. S. myrtillifolia, 
based upon the older species, S. myrtillifolia. In DeCandolle's Pro- 
dromus, however, with the title-page indicating publication earlier 
than the Monographia but containing exact page-citations of the 
latter work and consequently of presumably later date, S. novae- 
angliae (from “America boreali anglica,” ? etc.) is kept up and the 
numbered subspecies of the Monograph are treated as varieties (desig- 
nated, according to the instructions of the DeCandollean code, by 
Greek letters); S. novae-angliae, a, pseudo-myrsinites, B, pseudo- 
cordata, and y, myrtillifolia. 
All this, of course, is very perplexing, but it is evident that in his 
mature judgment Andersson considered all three shrubs as belonging 
to one North American species. The material which seems to belong 
in these three categories is certainly too difficult of separation, and 
after prolonged study the writer is satisfied to accept the conclusion 
of Andersson, and later of Bebb, that they are all one species. Further- 
more, there can be no question that Bebb's further conclusion is cor- 
rect, that for the species "S. myrtillifolia is the oldest (and best) 
name"? for S. myrtillifolia was published as a true species in 1858, 
six years before the publication of S. novae-angliae, while the name 
S. pseudo-myrsinites, though of binomial form, was published and in- 
tended by Andersson not as the name of a fully ranking species 
but of a subspecies, and later of a variety. 
Throughout its range, from southern Labrador, northern Newfound- 
land and the Gaspé Peninsula to the northern Rocky Mountains, S. 
myrtillifolia is fairly constant in having the foliage green on both 
surfaces or merely a little paler beneath and in having the more or less 
pediceled capsules slenderly conic-subulate and subtended by brownish 
! Anderss. Mon. Sal. 160 (1865?). 
? Anderss. in DC. Prodr. xvi. pt. 2, 253 (1864). 
* Bebb, Bot. Gaz. xv. 54 (1890). 
