DICLINIA AMENTACEiE, AlnUS. 
623 
Betula Alnus. />/. 1394. 
Icon. Engl. lot. 1508. Lees, pruss, t. 1. 
On the banks of rivers, in the interior of Canada, and 
on the north-west coast. Tj . April, v. v. A large 
tree, known every where under the name of Alder. 
2. A. foliis oblongis acutis basi rotundatis duplicato-serratis, 
petiolis venisque subtus pilosis, axillis venarum nudis, 
stipulis ovato-oblongis. 
A. undulata. Willd. sp. pl. 4. p. 336. 
Betula Alnus crispa. Mich.ji. amer. 2. p. 181. 
Betula crispa. Alt. kew. 3. p. 33g, 
In Canada and on high mountains, in sphagnous swamps, 
of Pensylvania. Tj . April, v. v. A shrub not above 
three or four feet high. 
3. A. foliis obovatis acuminatis venis et axillis venarum sub- 
tus pilosis, stipulis ellipticis obtusis. Willd. sp. pl. 4. 
p.336. 
Betula serrulata. Ait. hew, 3. p. 338. 
Betula rugosa. Ehrh. heitr. 3,p. 21. 
Icon. Allot, insect, 2. t. Qi. Wangh. amer. 
In swamps and on river sides j common every where. 
I2 . March, v. v. A shrub from six to ten feet high, 
growing in close thickets. 
696 . CARPINUS. Gen.pl. U4g. 
U C. foliis oblongo-ovatis acuminatis inaequaliter serratis, 
strobilorum squamis tripartitis, lacinia intermedia ob- 
liqua ovato-lanceolata uno latere dentata. — Willd. sp. 
pl. 4; p. 46s. 
C. virginiana. Mich. ari. 3. t. 8. 
In shady woods and hedges : Canada to Florida. Ij . 
May. V. V. This species of Hornbeam resembles the 
European very much, and its wood is of the same 
qualities : it rises to about tifteen feet high. 
6 gJ. OSTRYx\. Mich. gen. 223. 
1. O. foliis ovato-oblongis basi subcerdatis acuminatis inae- 
qualiter serratis, strobilis oblongo-ovatis erectis, gemi- 
nis Willd. sp. pl. 4. p. 46g. 
Carpinus virginiana. Ait. kew. 3. p. 363. 
Icon. Allot, insect. 2.p. 151. t. js. Pluk. aim. f. 156. 
/• 1 - 
Ifj shady woods ; New England to Carolina. . May. 
crispa 
serrulata. 
americana. 
virginica. 
