DICLINIA AMENTACE. Populus. 
not been observed in any part of North America 
growing wild. 
5, P. foliis. rhomboideis promisse acuminatis circumcirca 
dentatis glabris, ramulis junioribus pilosis, 
P. hudsonica. Mich. arb. 3. p. 293. t. 10. f. 1. 
P. nigra. Mich. fl. amer. 2. 5.244. 
On the Hudson- or North-river, and abont Lake Onta- 
rio. b. March. v. v. From thirty to forty feet 
- high; petioles and young branches yellow, = = 
6. P. foliis subrotundo-ovatis acutis ineequaliter sinuato- 
grandi-dentatis glabris, junioribus villosis, petiolis su- 
perne compressis.— Mich. fl. amer. 2. p. 243. - 
In Canada. h. April. v.v. From forty to fifty feet 
high. ; 
7. P. foliis subrotundo-ovatis deltoideis acuminatis subcor- 
datis inzequaliter serratis glabris basi glandulosis, petio- 
lis compressis, ramis junioribus angulatis.— Willd. sp. 
pl. 4. p. 803. 
P. canadensis. Mich. arb. 3. p. 298. t. 11. 
In high rocky situations: Canada to Virginia, and about 
the Western lakes. h. March. v.v. From seventy 
to eighty feet high, In Virginia it is called Cotton 
Tree. i 
8. P. foliis ovato-deltoideis acuminatis obtuse uñcinato- 
dentatis glabris, junioribus amplissimis cordatjs, ramis 
. alato-angulosis.—/7 illd. sp. pl. 4. p. 805. 
P. heterophylla. Du Hoi hartk. 2. p. 150. 
. P. basamifera. Mili. dict. n. 5. `- 
Icon. Mich. arb. 3. p. 302. t. 12. 
In morasses, on the banks of rivers: Virginia to Florida, 
and on the Mississippi. h. April v. v. About 
eighty feet high; leaves very large; branches brittle. 
It is known by the name of Mississippi Cotton Tree. 
9. P. foliis subrotundo-ovatis sinu parvo cordatis subauricu- 
 Jatis obtusis uncinato-dentatis, junioribus tomentosis. 
Willd. $ pl. 4. p. 806. 
Icon. Mich, arb. 3. p. 290. t.9. Duham. arb, ed. nov. 2. 
$51. 
In swamps : New York to Carolina, and on the western 
rivers. h. May. v. v. About seventy or eighty 
feet high. The leaves are on tbeir base, properly speak- 
ing, more auriculated than cordated, 
i 
619 
=< 
betulifolia, 
grandidenta- 
ta. — 
levigata. 
angulata. 
heterophylla. 
