282: 
Tree ”’), which is used by the native fishermen of the middle 
Amur for making floats for their nets. It has a wide distribution 
in Russian and Chinese Manchuria, and has also been recorded 
investigatio e was unable to find sufficient differential 
characters to justify the separation of var. sachalinense as an 
independent species. Sargent, however, raised the variety to 
buds, leaflets not lustrous on the upper surface, glabrous on the 
margins, and the glabrous inflorescence. The type specimen of 
axillary buds are rufous-pubescent, and the leaflets have glabrous 
margins, but the remaining characters cannot be verified from 
the herbarium specimen. 
- According to Sargent, the J apanese tree which has hitherto 
eed under the name Phellodendron amurense, should be called 
. sachalinense. He cited J apanese specimens of the latter 
y be 
tions: 1, that the Arnold Arboretum sachalinense js specifically 
distinct from P. amu e: Ae hing . 
a tian ie under the 
non-corky bark and ciliate lustrous leaflets, so that unless this 
also was a hybrid, the leaflets of P. sachalinense evidently do not 
* Reisen in Amur-lande, . 120 j 
+ Trees and Shrubs, i. p. 199 ‘190s 
