HEART-LEAVED BALSAM POPLAR. 
123 
oles, and are of a lanceolate oval form, of a deep green color above, and 
of a rusty silvery white beneath. 
The wood of this tree is white and soft, and is not used by the Canadi- 
ans. 
PLATE XCVIII. 
Fig. 1, A branch of the natural size from a large tree. 
[This is one of the hardiest of the Poplars, though not of very rapid growth, 
except during the first three or four years in the nursery. In Franklin’s First 
Journey, it is stated that it is found as far north as the Great Slave Lake, and 
that Mackenzie River has been named Riviere aux Liards, from the abun- 
dance of the tree in that quarter. “ It also constituted,” says Captain Frank- 
lin, “ the greatest part of the drift timber that we observed on the shores of 
the Arctic Sea.” Franklin says it yields a large quantity of potash. Pallas 
states that the grouse, and other birds of that family, that feed on the buds 
of this Poplar during winter have their flesh imbued with a grateful balsa- 
mic flavour. It is readily propagated by suckers, which it sends up in 
abundance ; or by cuttings, which hovrever do not strike as those of other 
Poplars. It will grow in any soil, but it prefers one moist and rich, and a 
sheltered situation. 
See Nuttall’s Supplement, vol. l.,p. 55.] 
HEART-LEAVED BALSAM POPLAR. 
Populus candicans. P. foliis cordatis ; petiolis hir&utis ; stipulis resinosis ; 
ramis teretibus. 
In the States of Rhode Island, Massachusetts and New Hampshire, this 
tree, which is a genuine Balsam Poplar, is commonly seen growing before 
the houses, both in the towns and in the country, less as an ornament than 
as a shelter from the sun. I have never found it in the forests of these 
States, where, if it exists, it must be extremely rare ; nor have I discovered 
whence it was first introduced. This species differs very evidently from 
