40 
Mycologia 
at the Garden for the month of September to aid him in his re- 
searches on parasitic fungi. Mr. Wilson is continuing his work 
during the year as a graduate student of Columbia University. 
C. Maublanc (Agr. Prat. Pays Chauds, 1912) describes a num- 
ber of fungous diseases of vanilla, among them anthracnose due 
to Calospora Vanillae, brown spotting of the stems caused by 
Nectria Vanillae, rust caused by Uredo Scabies, leaf spots caused 
by Fusicladium Vanillae, Phyllosticta Vanillae, Amerosporium 
Vanillae, and Ocellaria Vanillae, and attacks by Senratia Coffei- 
cola, S. Vanillae, and Cephaleuros Henningsii. 
A disease alfecting the twigs of several species of elm, recently 
described by J. Eriksson (Myc. Centralbl. i: 35-42. 1912), 
may be recognized by the small black pustules which dot the sur- 
face of the affected shoots. The causative fungus is described 
as Exosporium Ulnii. Careful inspection of nursery stock and 
the young growing trees and the burning of all dead and infected 
twigs are recommended as means of control. 
A new paint-destroying fungus, described by Professor George 
Massee (Kew Bull. Misc. 325, 326. 1911) as Phoma pigmenti- 
vora, was found in England on fresh white paint in hothouses, 
appearing as pale rose-colored specks which increased in size and 
became darker in color until most of the paint was attacked and 
ruined. The presence of 2 per cent, of carbolic acid in the paint 
was found sufficient to prevent the development of the fungus. 
Professor Thomas H. Macbride, professor and head of the 
department of botany. State University of Iowa, has been granted 
leave of absence for the year 1912-13, and is spending the time 
in botanical exploration in the western states. The latter part of 
the summer was spent in a mycological survey of the region near 
the snow line of Mt. Ranier with special reference to the Myxo- 
mycetes of that locality. 
