DICLINIA AMEJJTACE^, AlnUS. 



Betula Alnus. Sp. pi. 1394. 



Icon. Engl. bot. \ 508. Loss, pruss.t. I. 



On the banks of rivers, in the interior of Canada, and 

 on the north-west coast. \i . April, v. v. A large 

 tree, known every where under the name of Alder. 



2. A. foliis oblongis acutis basi rotundatis duplicato-serratis, 



petiolis venisqiie subtus pilosis^ axillis venarum nudis, 



stipu'is ovato-oblongis. 

 A. undulata. IFilld. sp. pi. 4. p. 336. 

 Betula Alnus crispa. Mich.Jl. amer. 2. p. 181. 

 Betula crispa. J'lt. kew. 3. p. 33(). 

 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, slipuiis ellipticis obtusis. Willd. sp. pi. 4. 



p. 336. 

 Betula serrulata. Ait. kew 3. />. 33S. 

 Betula rugosa. Ehrh. beitr. 3. p. 21. 

 Icon. Abbot, insect. 2. /. gi IVangh amer. 

 In swamps and on river sides . common every where. 



\l . Miirch. V. V. A shrub trom six to ten feet high, 



growing in close thickets. 



696. CARPINUS. Gen.pl.UAg. 



I.e. foliis oblongo-ovatis acuminatis inaequalitec serratis, 

 strobilorum squamis tripartitis, lacinia intermed'a ob- 

 liqua ovato-lauceolata uno latere dentata.— ^/^»//flf. sp. 

 pi. 4. p. 463. 

 C. virginiana. Mich arb. 3. t. 8. 



In shady woods and hedges : Canada to Florida, Fj . 

 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. 



cnspa 



serrulata. 



69;. OSTRYA. Mich. gen. 223. 



J. O. foliis ovato-oblongis basi subcordatis acuminatis inse- 

 qualiter serratis. strobilis oblongo-ovatis erectis, gemi- 

 nis acuus.— (Filld. sp. pi. 4. p. 46g 



Carpinus virginiana. Ait. kew. 3. p. 363. 



Icon. Abbot, insect. 2. p. 151, /. 75. Pluk. aim. t. 156. 



./• 1. 

 In shady woods : New England to Carolina, Tj . May. 



virgimca. 



