622 
BICUNIA AMENTACEJE. Betula. 
pumila 0 
B. nigra. Du Eoi harbk. 1. p. Q3. Wangh. amer. t. 15, 
/34. 
Icon. Mich. ari. 2 . p. 145. t . 4. 
In Canada and throughout the Allegany mountains* to 
their termination in Georgia. b • May* June. v. v. 
This elegant and large tree is the most interesting of 
this genus, on account of the excellence of its wood. 
It is known by the name of Mountain Mahogany * 
Black Birch, Cherry Birch, and Sweet Birch . This 
last appellation it has from the sweet scent the branch- 
lets give when bruised. 
6. B. ramis pubescentibus impunctatis, foliis orbiculato- 
obovalis petiolatis subtus dense pubescentibus, amends 
femineis cylindricis .—Willd. sp. pi. 4. p. 467 • 
B. nana. Kalmitin. 2 . p. 203. 
Icon. Jacq. hort. vind. t. 122 . Du Roiharlk. 1. t. 3. 
Wangh. aimer . t. 2 9 ./ 01. 
In bogs of Canada, and on high mountains of New York 
and Pensylvania. - May, June. v. v. A low 
shrub, not above two or three feet high. 
glandulosa. 
i 
7 . B. ramis glanduloso-punctatis glabris, foliis obovatis 
serratis basi integerrimis glabris subsessilibus, amentis 
femineis oblongis, squamis semitritidis, seminibus or- 
biculatis angusto-marginatis. — Willd. sp. pl. 4. p. 460. 
In Canada, about Hudson’s Bay, and on the borders of 
lakes on the high mountains of New Jersey and Pen- 
sylvania. k . May. v. v. A handsome little shrub* 
not above two feet high. 
fyaTia. 
8 . B. humillima, glaberrima j foliis orbiculatis crenatis 
subtus reticulato-venosis, amenti squamis profunde 
3-partitis, laciniis oblongis, seminibus orbiculatis sub» 
apteris.- — Willd; sp. pl. 4 . p. 4 65. 
Icon. Amoen. acad. i. t. 1. Fldan.Ql. Pall.Jl. ross. 1. 
t. 40. Amman, aci. 9 . t. 14. 
In sphagnous swamps about Hudson’s Bay and other 
parts of Canada. 1? . April* May. v. s. in Herb. 
Lambert. 
.glutinosa. 
695 . ALNUS. Willd. sp. pl 4. p. 334. 
Betula. Gen.pl. 1419* 
3 . A. foliis subrotundo-cuneatis obtusis subretusis glutinosis* 
axillis venarum subtus villosis. L Willd. sp. pl. 4. 
p. 334. 
