622 



DICLmiA AMENTACEJE. 



pumila. 



glandulosa. 



nana. 



glutinosa. 



p. 93. 



Betula. 

 Wangh. amer. t. 15. 



B. nigra. Du Roi harbk. 1. 

 /34. 



Icon. Mich. arh. 2. p. 145. t. 4. 



In Canada and throughout the Allegany mountains, to 

 their termination in Georgia. T; . May, June. v. v. 

 This elegant and large tree is the most interesting of 

 this genus, on account of the excellence of its wood. 

 It is known by the name of Mountain Mahogany, 

 Black Birch, Cherry Birch, and Sweet Birch. This 

 last appellation it has from the sweet scent the branch- 

 lets give when bruised. 



6. B. ramis pubescentibus impunctatis, foliis orbiculato- 



obovatis petiolatis subtus dense pubescentibus, amentis 

 femineis cylindvicis. — IVilld. sp. pi. 4. p. 407 • 



B. nana. Kalmitin. 2. p. 263. 



Icon. Jaifjf. hort. vind. t. 123. Du Roi harbk. 1. t. 3. 

 IFangh. amer. t. 2g.f. 6I. 



In bogs of Canada, and on high mountains of New York 

 and Pensylvania. ^2 • M'^y» June, v. v. A low 

 shrub, not above two or three feet high. 



7. B. ramis glanduloso-punctatis glabris, foliis obovntis 



serratis basi integerrimis glabris subsessilibus, amentis 

 femuieis obtongis, sqnnmis semitrifidis, seminibus or- 

 biculatis angusto-marginatis. — IVilld. sp. pi. 4. p. 466, 

 In Canada, about Hudson's Hay, and on the borders of 

 lakes on the high mountains of New Jersey and Pen- 

 sylvania. fj . May, v. v. A handsome little shrub, 

 not above two feet high. 



8. B. humillima, glaberrima ; foliis orbiculatis crenatis 



subtus reticulato-venosis, amenti squamis profundq 



3-partitis, laciniis oblcngis, seminibus orbiculatis sub- 



apteris. — Willd. sp. pi. 4 p. 465. 

 Icon. Amoen. acad. \. t.l. Fl. dan. 91. Pall.Ji. ross. 1. 



t. 40. Amman, act. Q. t. 14. 

 In sphagnous swamps about Hudson's Bay and other 



parts of Canada. 1;, . April, May. v. s. in Herb, 



Lambert. 



6g5. ALNUS. IVilld. sp. pi. 4. p. 334. 



Betula. Gen.pl. 14 19. 



1. A. foliis subrotundo-cuneatisobtusls subretusis glutinosis, 

 axillis venaruin subtus villosis. IVilld. sp. pi. 4. 

 p. 334. 



