48 
of the Royal Army Medical Corps. Dr. F. Stoward has contri- 
buted additional material from Western Australia, and further 
ee of the late Dr, Alexander Morrison’s collection from 
the same region have been presented by the Royal Botanic 
Garden, Edinburgh. Mosses from New South Wales have been 
received from Mr. William Greenwood. Tropical Africa, as has. 
been the case for some years, has furnished a large amount of 
Hans Schinz has presented an interesting collection of varieties 
of seal Sets from South-West Africa. Specimens collected by 
Pre H. W. Pearson and others during the various Percy 
Sladen “inemsorl Expeditions in South Africa have been pre- 
sented by the ee oe West Indian plants aera 
by Dr. N. L. Bri Mr. W. Harris, and others have been 
presenied by the ney York Botanical Garden. Mr. H. N. Ridley 
as presented a set of the seed collected by him last winter in 
Jamaica. Mr. M. T. Dawe, Director of Agriculture, has sent 
any specimens collected ete his tours in Colombia. Mr. 
Soonesly Routledge has presented the specimens collected during 
his cruise te Southern Patagonia, Socorro Island and Easter 
Tsland. In addition to dried specimens, a set of 293 water colour 
drawings of orchid flowers from the collection of Mr. J. Leemann 
= purchased at the Royal Horticultural Society’s Red Cross 
Sale. 
Black Rust of Wheat.—Prof. A. H. Reginald Buller, Pro- 
fessor of Botany, Winnipeg, sends us the following particulars as 
to the destruction of wheat in North America due to Black Rust: 
“The Black Rust has done enormous damage to our wheat crop 
in Canada and the United States. I have carefully looked into 
It is wall within the mark to say that this year ile , ae, 
of the wheat crop, owing to the attacks of rust, has been not 
less than 100 nillzot bushels. This loss is that suffered in our 
three prairie provinces of Alberta, Saskatchewan, and Manitoba. 
In the Central States of the United — of America, such as 
