73 
Pathology.—The number of reports issued continues to increase 
yearly, and the samples of material received, as well as the tone of 
the queries, clearly indicate that farmers and horticulturists are 
beginning to realise that parasitic fungi and injurious insects are 
factors that cannot be ignored with impunity. “Corky Scab,” 
caused by Spongospora solani, has been the most prevalent disease 
of potatoes during the past year. ‘ Crown-Gall,” an infectious 
disease, forming large galls at the collar or on the roots of man 
economic trees and plants, has been seen on plum, a chrysanthe- 
mum, raspberry and loganberry, during the past yea 
Much time has been devoted to the beevaelipaticn: of algae and 
fungi occurring in sewage, and contaminated sea and river water. 
The investigation, commenced the previous year, on the fungi 
causing discoloured spots on “ehilled beef from Argentina, has been 
continue 
A Soticitlordble amount of diseased material, more especially 
cacas, rubber plants, oranges and pineapples has been received at 
Kew for investigation, from the Cape of Good Hope, Natal, West 
Indies, Singapore, Federated Miley States, New Zealand, ete, 
Additions to the Herbarium during 1910.— During the year rather 
more than 16,000 specimens were received as donations or exchanges, 
while 11,350 were acquired by purchase. The principal collections 
are enumerated below. 
Eurorr. Presented :—Fungi, by Abate G. Bresadola. 
Purchased : — E. ce Holmes, “ Algae Britanicae Rariores 
ae fase. H. Sydow, ‘ Mycotheca Germanica,” 
fasc. 18-19; W. ered and J. pa oe Mycotheca 
Rossica,” pa 1-2; A. Kneucker, “ Gramineae et Cyperaceae 
Exsiccatae Po Fiori, Béguinot and Pampinini, “ : Wlozn Italica 
Exsiccata,” Cent. xi.-xiv. 
Ortent, Norta Asta anv Norta AFrica. Presented :— 
Persia, by Mr. W. Ethelbert James; Manchuria, og the Royal 
Botanic Gardens, St. Petersburg ; Algeria, by Mr. A. W. Hill. 
Purchased :—Dr. Reno Muschler, Egypt. 
Canis AND JAPAN, pi meca ey :—China, Cavalerie and Esquirol, 
through Monseigneur A. A. H. Léveilleé ; Shistbangr F. N. Meyer ; 
Japan, H. Takeda. 
Purchased :—T-Taquet, Corea; E. H. Wilson, China (photo- 
graphs). 
Inpia €ND Mataya. Presented :—Burma, Mr. J. H. Lace 
Tibet, Sikkim and the Malay Peninsula, by the Royal Botante 
Garden, Calcutta ; North-West Frontier Province, the late Sir 
Harold Deane through Lady Deane; specimens of Indian Pedi- 
cularis, by Messrs. J. R. rammond & nd J. F. Duthie; “ila 
and Mr. W. Lloyd ; “Philippine fulcndée by Mr. E. D. Merrill ; 
Java, by the id egg me Botanic Gardens ; Sumatra, etc., by 
Dr. R. Schlec hter ; Borneo, by the Sarawak Museum, shi conig 
Mr. J. C. Moulton 
Purchased : Die R. Schlechter, New Guinea; Mr. A. D. E. 
Elmer, Philippine Islands. 
