(322) 
iat WS 
ゃ 
ゃ 
_— 
ーーー 
%REArTIAAS tT 
% 
Japanese Species of 
cn 
Betula. 
CPR ak SET A 
UT ES PS Pe 

10, 
13, 
30, 
33 
36, 
Strobile 
Strobile 
EXPLANATION OF THE 

Betula globispica, Shirai. 
2, nutlet; 3, 4, and 5, scales of strobile; 6, leaf—Vigs. 2-6 enlarged. 
Betula Ermani, Cham, 
8, nutlets; 9, scales of strobile—Tig. 9 enlarged. 
シーー 2 デー 
UN ET ロ ae 

PLATE VI. 
Betula Ermani, Cham, var. nipponica, Maxim, 
フ 
Strobile; 11, nutlets; 12, scale of strobile.—J%g. 11 and 12 enlarged. 
Leaf and young strobile ; 21, strobile and a scale; 22, scale and nutlet of fig. 20.—Fig. 22 
Betula grossa, S, et Z. 
Strobile ; 14, scales of strobile; 15, nutlets.—Figs. 14 and 15 enlarged. 
Betula ulmifolia, S. et Z, 
Strobile ; 17, scales of strobile ; 18, nutlets; 19, leaf.—Wigs. 17 and 18 enlarged. 
Betula corylifclia, Regel. 
Betula Bhojpattra, Wall, var. Jacquimnotii, Regel. 
Branch ; 24, seale and nutlets.—Iiig. 24. enlarged. 
Betula Bhoipattra Wall. var. typica, Regel. 
Young branch; 26, 2%, scales; 27, nutlets; 
Strobile 
Strobile ; 
Strobile 
J 
? 
’ 
28, strobile.—Sigs. 26 
, 27, and 29 enlarged. 
Betula alba, L. var. communis, Regel. 
31, nutlets; 32, scales.—JWigs. 31 and 32 enlarged. 
Betula alba, lL. var, vulgaris, Regel. 
54, scales; 35, nutlets.—Higs 34 and 35 enlarged. 
37, scales ; 
Betula Maximowicziana, Regel. 
38, nutlets.— Figs. 3 

に 2 
7 
and 88 enlarged. 
2 て だ ささ ーー 
いい 
LOCK 
ーーーーーーーー 
enlarged. 


