THE AUSTRALIAN NATURALIST, 77 
It was recorded by Dr. N. A. Cobb in the ‘‘Agricultural Ga- 
bette of N.S.W.” vol. iii., p. 1001-1004. The parts affected 
are usually the leaves but occasionally the tender-shoots are. 
also attacked. When the leaves are attacked they become very 
swollen or curled and distorted and are either yellowish or: 
reddish in colour. When the disease has reached maturity 
the leaves are covered with a whitish or greyish powdery- 
looking substance. — If a small portion of this is examined 
under a micrescope it will be found to consist of numerous 
minute, short, somewhat cylindrical-shaped bags or asci 
closely packed side by side, each of which usually contain 
eight spores or seeds. These little bags arise from the myce- 
lium which permeates the tissues of the leaves or other parts 
affected. When the spores are liberated they are carried by 
various agencies on to fresh leaves where they may germin- 
ate and again cause direct infection. 
In showery weather the disease attacks the trees more. 
severely than during a dry season and when badly attacked 
the trees are often quite denuded of their leaves and very 
often the newly-formed fruits also turn yellow and finally 
fall to the ground before they have reached maturity. 
VinE-LEAF Buicur or Turrep Vine Buicur (Cercospora vi- 
ticola).— The fungus causing the disease is one of the Derma« 
tiaceae group and attacks the leaves of the grape-vine. When 
the vines are badly affected the leaves are seen to be thickly- 
studded with copper-red coloured spots which eventually coal- 
esce and spread over the leaves and are finally killed by the. 
fungus. This disease has been found to infest vine leaves at 
Bundaberg in Queensland, by Mr. J. Keys. It was first re- 
corded for Australia by Cooke in his ‘‘Handbook of Austra- 
Jian Fungi,’’ p. 378, and also by Mr. F. M. Bailey, the Co- 
lonial Botanist in the ‘Queensland Botany Bulletin,” VIL., 
p. 35 (1891). It has also been recorded for New South Wales. 
by Mr. McAlpine in his ‘‘Systematic Arrangement of Aus- 
tralian Fungi,” p. 160. and by myself in the ‘Proceedings of 
the Linnean Society of N.S.W.”’ XXXIV., 500 (1909). The 
disease mentioned by Mr. E. J. Tremayne in the “Sydney 
Morning Herald,’’ December 1st, (1908), which Mr. Frog- 
gatt, the Government Entomologist, reported on and said, 
“shows signs of brown spots,’’ is probably identical with this 
disease. As the disease progresses the tissues of the leaf in 
the vicinity of the spots become affected, changing toa pale 
green or yellow, until finally the whole leaf perishes. This 
blight, when prevalent, may cause considerable damage ta 
the foliage, and consequently to the vine, but unless the season 
be a very wet one, it is not likely to do much damage, except, 
perhaps, in lower or damp situations or upon. vines improperly, 
cared for.’’ 
