LX1X. BETULA‘CEH: BE’TULA. 837 
Other Species of A’lnus. A. barbata Meyer (our 
Jig. 1522.), A. obtusifolia Royle, is very abundant 
on the banks of the Jumna and Tonce. A. 
elongata Royle occurs in Cashmere; and A. ne- 
palénsis Wall. (Pl. As. Rar. t. 131.) on the moun- 
tains surrounding 
the valley from < 
which it was named. 
(Iilust. p. 341.) It 
‘appears _ probable, 
that A. nepalénsis, a 
tree from 30 ft. to 
40 ft. high, may prove 
sufficiently hardy to 
bear the climate of 
London. A. subcor- 
data Meyer (our jig. 
r 1523.) was raised 
{ from seeds in the 
1522. A. barbata. Birmingham Bo- 1523, A. subcordata. 
tanic Garden in 
1838 ; and A. jorullénsis in the Horticultural Society’s Garden in 1839. 
A. acuminata Humb. et Bonp|. (Mém. 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. (Mfirb.) A 
tree. Peru. Leaves 3in. to 6 in. 
long, and 14 in. to 3in. broad. 
A. castancifo- 
lia Mirb. (Mem. 
Mus. vol. xiv. t. 
21. ; and our jig. 
1525.) has the 
leaves oblong- 
elliptic, blunt, 
repand, or ob- 
long- lanceolate, 
erose or den- 
1524, 4. acuminata. tate, petiolate ; 
glabrous above; 
the axils of the veins downy beneath, panicle leafy at the 
base. Male catkins leafy, erect. (Mirb.) A tree. Tarma 
in Peru. Leaves 3 in. to 5 in. long, and 10 lin. to 15 lin. 
broad. Stipules small, glabrous, membranaceous, linear-lanceolate. Male 
catkins lin. to 2in. long, more slender than in A. glutindsa, and.4 or 5 in 
a panicle. Female catkins about 2 in. long, 4 or 5 on a common pedicel. 
(Mem. Mus., xiv. 464.) 
1525. A. castaneifolia. 
Genus II. 
BE/TULA Tourn. Toe Bircu. Lin. Syst. Monee‘cia Polyandria. 
Identification. Tourn., t. 360. ; Lin. Gen., 485.; FI, Br., 1011. 
Synonymes. Bouleau, Fr.; Betula, Ital.; Abedul, Span. ; Betulla, Port. ; Birke, Ger.; Berk, 
‘Dutch ; Birk, Danish and Scotch ; Bidrk, or Bork, Swedish ; Beresa, Russian, Brzoza, Polish. 
Derivation. From betu, its Celtic name ; or, according to others, from the Latin word batuere, to 
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