ARBORETUM ET FRUTICETUM BRITANNICUM. 
u 53. S. Donra'na Smith. Don’s, or the rusty-branched, Willow 
Identification. Smith in Eng Fl., 4. p. 213.5 Hook. Br. Fl. ed. 3., p. 424.; Borrer in Eng. Boe 
Suppl., t. 2599. . 
The Niece. The female is described and figured in Sal. Wob. and Eng. Bot. The ma.e has not yet 
been discovered. ! 
Engravings. Sal. Wob., No. 85.; Eng. Bot., t. 2599. ; our fig. 1454. ; and jig. 85. in p. 806. 
Spec. Char, §c. Leaves obovate-lanceolate, partly opposite, 
acute, slightly serrated, even; livid and somewhat silky 
beneath. Stipules linear. Branches erect. Catkins erect, 
cylindrical. Ovary stalked, silky, longer than the obovate 
bearded bractea. (Smith.) A shrub, with straight, wand-like, 
round, leafy branches, of a reddish or rusty brown, scarcely 
downy, except when very young. Scotland, on moun- 
tains. Height 5 ft. to 6 ft. Flowers yellow ; May. Mab4.. iSeDonidnas 
Group xii. Ambigue Borrer. 
Shrubs. Prin. sp. 54. and 58. 
aL! 
S. finmarchica Willd. has been added to the kinds included in this group by 
Mr. Borrer. 
x uv 54, S. ampr’eua Ehrh,, Borrer. The ambiguous Willow. 
Identification. Borrer in Eng. Bot. Suppl., t. 2733.; Hook. Br. Fl., ed. 2., p. 418. 
Synonymes. Some are cited under the varieties treated of below ; S. ambigua Koch, part of, Koch 
Comm., p. 49. 
The Sexes. Both sexes of var. a, the female of var. 8, the male of 
var. y, and the female of var. 6 are figured in Eng. Bot. Suppl. 
Engravings. Eng. Bot. Suppl., t. 2733.; and our jig, 1455. 
Spec. Char., §c. Leaves oval, obovate, or lan- 
ceolate, slightly toothed, and having a recurved 
point; pubescent, somewhat rugose above, glau- 
cous and having prominent veins beneath. 
Stipules half-ovate, acute. Catkins stalked, 
upright, cylindrical. Ovary stalked, densely WY 
silky. Style very short. Stigmas short, at S qr 
length cloven. (Borr.) A small decumbent “¥ 
shrub. Sussex, Essex, and Suffolk; and various 
parts of Scotland. Height 6 in. to 1 ft. Flowers 
yellow ; May. 
1455. S. 4mbigua. 
It varies much in the procumbent, ascending, or more erect manner of its 
growth, in the paler or darker brown tinge of the twigs, and in the quantity 
of pubescence. 
Varieties. 
& uw S. a. 1 vulgaris. Sia. Borr. in Eng. Bot. Suppl. t. 2733., 5 figures 
of the two sexes, and description. —A small straggling shrub, with 
branches sometimes procumbent, sometimes rising 1 or 2 feet from 
the ground. 
% S.a.2 major. S.a.8 major Borrer in Eng. Bot. Suppl. t. 2733., 3 
figures of the female, and description; ? S. ambigua 6 Hook. Br. Fl. 
ed. 2. p.418.; S. versifolia Sering. Saules de la Suisse No. 66.. 
Monogr. 40. (Borrer.) — Foliage silvery. 
& S. a. 3 spathuldta. S. a. y spathulata Bor. in Eng. Bot. Suppl. t. 2733., 
where 8 specimens of the male plant are figured and described ; 
S. anbigua y Hook. Br. Fl. ed. 2. p.418.; S. spathulata Wild. Sp. 
Pl. 4, 700. ; 5. spathulata Willd.— Scarcely differs from S, ambigua 
vulgaris, except in the narrower base of the leaf. 
