44 
phylla is uncertain though it would point to alba. He keeps up 
Alnus sinuata when it is only a form of cris pa, and also keeps 
tenuifolia separate from incana with which it freely intergrades, 
z 
i zi 
7 ee 
. 
asd ite his Es 
: 7 
oe 
are 
sini 
f 
ee 
+ ie aes 
’ ; ae 
ae 
_ 
7 
ne 
1 
ty 
Bika cal 
. uae 
ae 
