DICLINIA AMENTACEX, Alnus, 
_ Betula Alnus. Sp. pl. 1394. 
. Icon, Engl. bot, 1508. Læs. pruss. t. 1. 
On the banks of rivers, in the interior of Canada, and 
on the north-west coast. h. 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. l 
. A. undulata, Willd. sp. pl. 4. p. 336. 
. Betula Alnus crispa. Mich. fl. amer. 2. p. 181. 
Betula crispa, Ait. kew. 3. p. 339. 
In Canada and on bigh mountains, in sphagnous swamps, 
‘of Pensylvania, h. April. v.v. A shrub not above 
. three or four feet high. 
3. A. foliis obovatis acuminatis venis et axillis venarum sub- 
tns ^e stipulis ellipticis obtusis. Willd. sp. pl. 4. 
. 330. 
bal serrulata. Ait. kew. 3. p.338. 
Betula rugosa. Ehrh. beitr. 3. p. 21. 
Icon. Abbot. insect. 2. t. 92. Wangh. amer. 
In swamps and on river sides; common every where. 
h. March. v.v. A shrub from six to ten feet high, 
growing in close thickets. 
* 
. 696. CARPINUS. Gen, pl. 1449. 
1. C. foliis oblongo-ovatis acuminatis inaequaliter serratis, 
strobilorum squamis tripartitis, lacinia intermedia ob- 
liqua ovato-lanceolata ugo latere dentata.— Willd. sp. 
pl.4. p. 4068. 
C. virginiana. Mich arb. 3. t. 8. 
In shady woods and hedges: Canada to Florida. b. 
May. v.v. This species of Hornbeam resembles the 
European very much, and its wood is of the same 
qualities: it rises to about fifteen feet high. 
697. OSTRYA. Mich. gen. 223. 
]. O. foliis ovato-oblongis basi subcordatis acuminatis inze- 
qualiter serratis, strobilis oblongo-ovatis erectis, gemi- 
nis acutis.— Willd. sp. pl. 4. p. 469. 
Carpinus virginiana. dit. kew. 3. p. 363. 
E Abbot. insect. 2. p. 151. t. 75. Pluk. alm, t. 156, 
ES 
Jp shady woods: New England to Carolina. h. May. 
serrulata. : 
americana, 
virginica. 
