ConUnwd from pnge 11 of cover 



Sapindackae by Alfred Rehder and E. H. Wilson paor 



Sapindus, Koelreuteria, Euphoria 191 



Sabiaceae by Alfred Rehder and E. H. Wilson 



Sabia, Meliosma 195 



Hhamnaceae by Camillo Schneider 



Pahurus, Zizyphus, Berchemia, Chaydaia, Rhamnella, 

 Sageretia, Rhamnus, Hovenia, Ventilago, (xouania . . . 209 

 Nyssaceae by E. H. Wilson 



Nyssa, Camptoth(>ca, Davidia 254 



Oleaceae 



Fruxinus by Alexander Lirgclsheim 258 



PLANTAE WILSONIANAE 



In this work it is proposed to give an enumeration of the dried 

 plants collected by Mr. E. H. Wilson during his expeditions to west- 

 ern China in behalf of the Arnold Arboretum, with descriptions of new 

 species and the elaborations of certain genera as represented in the 

 Chinese flora. 



It is expected that the work will be finished in six parts, making 

 two volumes. 



The price of each part is S2.50; they can be obtained at the Arnold 

 Aii>oretum, Harvard University, Jamaica Plain, Massachusetts. 



COLLECTION OF 

 WILSON'S PHOTOGRAPHS 



The photographs mentioned in this work may be obtained from the 

 Arnold Arboretum, Harvard University. These pictures, taken by 

 Wilson with a full knowledge of his subjects and their scientific import- 

 ance, give for the first time an accurate idea of trees and different 

 types of vegetation found in western China. 



Series 1. 500 photographs (each 8-^-x6^ inches) taken 1907-1909, 

 with type-written index, price $250.00. 



Series 2. 350 photographs (size as above, luirabered 01-0350) taken 

 1910, with type-written index, price ipl75.0O. 



