DICLINIA AMENTACE^. Populus. 
not been observed in any part of North America 
growing wild. 
$, P. foliis rhomboideis promisse acuminatis circumcirca 
dentatis glabris, ramulis junioribus pilosis. 
P. hiidsonica. Mich. arh. 3. p. 2Q3. t. 10./. 1. 
P. nigra. Mich.Ji. amer. 2. p. 244. 
On the Hudson- or North-river, and about Lake Onta- 
rio. b • March. V. v. From thirty to forty feet 
high j petioles and young branches yellow. 
6. P. foliis subrotundo-ovatis acutis insequaliter slnuato- 
grandi-dentatis glabris, junioribus villosis, petiolis su- 
perne compressis. — Mich.Ji. amer. 2. p. 243. 
In Canada, b • April, v. v. From forty to fifty feet 
high. 
7. P. foliis subrotundo-ovatis deltoideis acuminatis subcor- 
datis inaequaliter serratis glabris basi glandulosis, petio- 
lis compressis, ramis junioribus angulatis. — Willd. sp. 
pL 4, p. 803. 
P. canadensis. Mich. arh. 3. p. 298. t. 11. 
In high rocky situations : Canada to Virginia, and about 
the Western lakes. Tj » March, v.v. From seventy 
to eighty feet high, In Virginia it is called Cotton 
Tree. 
8. P. foliis ovato-deltoideis acuminatis obtuse uncinato- 
dentatis glabris, junioribus amplissimis cordatis, ramis 
alato-angulosis. — Willd. sp. pi. 4. p. 805. 
P. heterophylla. Du Roi harhk. 2. p. 150. 
P. basamifera. Mill. diet. n. 5. 
Icon. Mich, arh. 3. p. 302. t. 12. 
In morasses, on the banks of rivers : Virginia to Florida, 
and on the Mississippi. Tj • April, v. v. About 
eighty feet high ; leaves very large j branches brittle. 
It is known by the name of Mississippi Cotton Tree, 
g. P. foliis subrotundo-ovatis sinu parvo cordatis subauricu- 
latis obtusis uncinato-dentatis, junioribus tomentosis. 
W illd. sp. pi. 4. p. 800. 
Icon. Mich. arh. 3. p. 29O. t. 9. Duham. arh, ed. nov. 2. 
51. 
In swamps : New York to Carolina, and on the w'estern 
rivers. Tj • May. v. v. About seventy or eighty 
feet high. The leaves are on their base, properly speak- 
ing^ more auriculated than cordated. 
019 
hetulifolia. 
grandldenta- 
ta. 
Icevigata. 
angulata. 
heterophylla. 
