156 The Botanical Gazette. 
addresses. The address of the retiring president, Albert B. 
upon Zhe immediate work in chemical science is filled with 
suggestions and almost as applicable to botany as to chem 
IN A LONG paper in the March number of the Annals of 
D. H. Scott and Mr. George Brebner discuss the secondary 
3 apeig is entirely by sliding growth. . . . 7 
doubt that the development of the tracheides in the prim 
is involved. 
The studies of these gentlemen on the structure of Aristea 
besa, one of the four known shrubby members of the 
dew, have established the fact that this species “1 
with the few other shrubby species of Iridex, 
im some of the monocotyledons at the presen 
medullary bundles appearing in certain dicoty 
peculiarity.” 
