284 BOTANICAL GAZETTE. | November, 
and other bulbous and tuberous plants, by Dr. J. H. Wakker, has recently 
been distributed. Dr. Wakker was employed by the General Union of 
Bulb Calturists of Holland to investigate for three years (1883, 1884, 
much delayed in the printing, contain valuable information based upon 
careful research. - They are written in the Dutch language 
numerous protracted investigations on which the work is based, and 
which give it its special value, but which can not be invariably brought to 
an end at stated intervals 
THE UNIVERSITY at Graz, Austria, is to have a botanic garden, th 
e 
rs A of $23,000 having been appropriated for that purpose. The Botan- 
pe : ; 
arden at Leipzig cost $125, ),and that at Strassburg about the same. 
t will permit the erection of a small garden house and a green-house, 
but there can be no lecture rooms, no offices and rooms for investi tors 
and no place for students, although the latter are now recognized a8 4 
necessary adjunct to a well-ordered botanic garden. : 
_ FRIEDRICH T. KvueEtzina, the learned algologist, will complete his 
eightieth year on the 8th of December next. He was one of the first to 
many profound researches, and his systematic works the alge Z 
re are still standard. It is proposed fer him on his eightie ; 
a Some mark of public recognition and gratitude for his ontne 
se 
E Kew B 
of the onion disease at Bermuda, caused by Peronospora Schleidenrana De 
= y dews or rains, followed by warm, moist, calm weather, 
absence of direct sunshine and ould winds. ’ ‘The life history of the fung! 
CR arrea ere 6 
asexual and sexual spores. Itis suggested that onion plants should bea 
ie to prevent eprealings et # eoaied 
mned. Diseased plants may De NS” 
with a mixture of powdered sulphur and freshly barat quick-lime, ws 
sprayed with a weak solution of iron sulphate. In both cases the fungu® 
is destroyed without injuring the plant. 
