Lxix. ^etula^ceje: ^e'tula. 



837 



Other Species of A'/nus. A. barbdta Meyer (our 

 fie. 1522.), A. obtusifolia Royle, is very abundant 

 on the banks of the Jumna and Tonce. A. 

 elongdta Royle occurs in Cashmere ; and A. ne- 

 palensis Wall. (PI. As. Rar. t. 131.) on the moun- 

 tains surrounding 

 the valley from 

 which it was named. 

 {Illust. p. 34.1.) It 

 appears probable, 

 . rg^^'SN'^v-OAi'i'i /////3w ^>p%>^ that A. nepalensis, a 

 ^^^^iMiyL! I M iV^^^^ tree from 30 ft. to 



40 ft. high, may prove 

 sufficiently hardy to 

 bear the climate of 

 London. A. subcor- 

 ddla Meyer {our fig. 

 1523.) was raised 

 from seeds in the 

 Birmingham Bo- 

 tanic Garden in 

 1838 ; and A.joruUensis in the Horticultural Society's Garden in 1839. 



A. acumindta Humb. et Bonpl. (Mem. Mus. vol. xiv. p. 464'. t. 22. ; our fig. 

 1524.) has the leaves ovate, or ovate-oblong, acuminate, roundish at the base, 



doubly serrated, glabrous above ; the 

 veins downy beneath. Panicle naked. 

 Female catkins terminal. (Mirb.) A 

 tree. Peru. Leaves 3 in. to 6 



1522. A. barbkta. 



1523. A. subcordata. 



m. 



ong. 



and 1; 



in. to 3 in 



A. castaneifo- 

 lia Mirb. (Mem. 

 Mus. vol. xiv. t. 

 21. ; and our fig. 

 1525.) has the 

 leaves oblong- 

 eUiptic, blunt, 

 repand, or ob- 

 long, lanceolate, 

 erose or den- 

 tate, petiolate ; 

 glabrous above; 



the axils of the veins downy beneath, panicle leafy at the 



base. Male catkins leafy, erect, (il/iri.) A tree. Tarnia 



in Peru. Leaves 3 in. to 5 in. long, and 10 lin. to 15 lin. 



broad. Stipules small, glabrous, membranaceous, linear-lanceolate. Male 



catkins 1 in. to 2 in. long, more slender than in A. glutinosa, and 4 or 5 in 



a panicle. Female catkins about 2 in. long, 4 or 5 on a common pedicel. 



{Mem. Mus.^ xiv. 464.) 



1524. A. acuminata. 



1525. A. castaneifolia. 



Genus II. 



*! 



_dL 



-SE'TULA Toiwrt. The Birch, iiw. .Sysf. Monoe'cia Polyandria. 



Identification. Tourn., t. 3G0. ; Lin. Gen., 485. ; Fl. Br., 1011. 



\Synonyines. Bouleau, Fr. ; Betula, Ital. ; Abedul, Span. ; BetuUa, Port. ; Birke, Ger. ; Berk, 



Dutch ; Birk, Danish and Scotch ; Blork, or Bork, Siredish ; Beresa, Russian ; Brzoza, Polish. 

 Derivalion. From beta, its Celtic name ; or, according to others, from the Latin word baluere, to 



3 H 3 



