NOTES AND NEWS. 
It Is ESTIMATED that forty per cent. of honey dew, as it occurs 
upon the leaves of trees, consists of the rare sugar, melezitose (Comp. 
> 127). 
rend, 117 
ARTEMISIA STELLERIANA Bess. occurs at Little Compton, and New- 
i R.I.. In this connection an article in the March number of 
ournal of Botany should be read.—BalLev. 
THE AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE 
will meet this year in Brooklyn, August 16th to 22d. Announcements 
may be obtained from the local secretary, Prof. Geo. W. Plympton. 
DurinG THE coming summer Professor John Macoun intends to 
collect in the prairie region of Canada. These constant explorations 
are bringing to the Government Herbarium a fine representation of 
Our northern flora. 
Dr. G. A. Weiss, Professor in the University of Prag, and director 
of the School of Vegetable Physiology, died March 17, aged 57 years. 
- Hans Molisch has been called to fill the position made vacant by 
the death of Dr. Weiss. 
TEACHERS oF botany may be interested to know that Vegundo acer- : 
oides shows a beautiful set of gradations through scales to true leaves. 
ray’s Genera, vol. ii, their transition is only par- 
nally shown.—Bat.ry. 
bie ts Menrirr FERNALD expects to publish shortly an appends to 
's Name Catalogue, containing a record of work during the last two 
ag Nearly a hundred flowering plants have been added to the 
t many of them of very great interest. 
a utrence of the genus Physostigma in Eastern Africa, and on some of 
of the Med; peculiarities; P. Magnus, On some parasitic fungi 
editerranean territory.— Bay. 
HE BOTANICAL p iversi kes of the 
EPARTMEN rown University partake 
general “b =o vave taken the 
roe S. E. Cassino, the Boston publisher, having received Rte ie 
Specialti~> Persons to issue a directory of naturalists arranged by 
'€s Or departments of study, and from others who desire a 
