618 
DICLINIA AMENTACE^. SaltX. 
v. s . in Heri. Banks . The smallest of all the known 
species 3 the stems not above an inch high. 
lalsamifera. 
6q 2 . POPULUS. Gen.pl. 153L 
1 . P. foliis ovatis acuminatis adpresso-serratis subtus albi- 
dis retieulato-venosis, gemmis resinosis. Willd. sp, 
pl 4. p . 805. 
Icon. Mich. ari. 3. p. 30 6. t. 13 ./ 1 . Duham. ari. ed * 
nov. 2. t. 50 Pall. jl. ross. 1 . t. 41. Wdngh. amer . 
f. 28.,/. 59. Trew ehret. t. 46. £ora<z. 
In Canada, particularly plenty about Hudson’s Bay. Tj . 
March, v. v . From seventy to eighty feet high ; 
the young buds are covered with a very odoriferous 
balsam, from which it is called Balsam Poplar 3 the 
natives call it Tacamahac . 
candicans. 
2 . P. foliis cordatis ovatis acuminatis obtuse inaequaliter ser- 
ratis subtus albidis subtriplinervibus retieulato-venosis, 
petiolis hirsutis, gemmis resinosis, ramis teretibus.— 
Willd. sp. pl. 4. p. 800'. 
P. latifolia. Moene h. method, p. 338. 
P. canadensis. Moench. weissenst. 81. 
Icon. Catesh. car . 1 . t . 34. 
In New England. T? . March, v. v. From forty to 
fifty feet high 3 the buds are strongly covered with a 
balsamic fluid. 
trepida. 
3. P. foliis suborbiculatis abrupte acuminatis dentatis basi 
supra biglandulosis glabris, junioribus sericeis.— Willd, 
sp. pl 4. p. 803. 
P. tremuloides. Mich. Jl. amer. 2 . p. 243. 
Icon. Mich. ari . 3. p. 285. t. 8 ./. 1 . Duham . ari . ed. 
nov. 2. t. 53. 
In extensive swamps : Canada to Pensylvania. Tj . 
April, v. v. From twenty to thirty feet high. Ge- 
nerally known by the name of American Aspen Tree . 
monilifera. 
4. P. foliis subcordato-deltoidibus glabris basi glandulosis, 
serraturis cartilagineis hamatis pilosi usculis, nervis pa- 
tulis, petiolis superne compressis, ramis adultis tereti- 
bus.— Willd. sp. pl 4. p. 805. 
P. glandulosa. Moench. method, p. 33 9 . 
P. caroliniensis. Moench. weissenst. 81. 
Icon, Mich. arb. p. 295 . 1 . 10 ./. 2 . 
In North America. 1 ? . April v. v. in Hortis. From 
sixty to seventy feet high. Michaux says that it ha* 
