by oe ET he OS 
NEWS. 
Dr. JouNn W. HARSHBERGER is delivering a course of ten lectures on North 
American trees before the Wagner Free Institute of Science in Philadelphia 
Dr. Pear OLsson-SEFFER has left Leland Stanford University and bis ac- 
cepted a position in connection with an experiment station in Mexico, devoted 
to the investigation of the growing of rubber plants. His address, which corre- 
spondents are requested to note, will be La Zacualpa Botanical Station, Escuintla, 
Chiapas, Mexico. 
THE ANNOUNCEMENT for 1906 of the Lake Laboratory, maintained by the 
Ohio State University at Cedar Point, on Lake Erie, has been issued. The only 
instructor in botany for the season is Prof. MALcoim E. STICKNEY, assistant pro- 
fessor of botany, Denison University. ee, the courses are limited to 
one in general botany and one in ecology. Th opens June 25th, and closes 
August 3d. 
THE MINNESOTA SEASIDE Station on the Straits of Fuca, Vancouver 
Island, opens its doors for the sixth annual session, July 8, 1906. Owing to the 
low rates to the Pacific coast which will be in force, this promises to be an impor- 
tant year in the history of the Station. Those contemplating marine study and 
research are invited to write to Professor Conway MacMillan, University of 
Minnesota, Minneapolis, for the illustrated announcement of the Vancouver 
Island Laboratory-Camp. 
Dr. ALBERT SCHNEIDER has resigned his position as professor of botany, 
pharmacognosy, and materia medica at the California College of Pharmacy and 
has been appointed pathologist and physiologist of the Spreckels Sugar Com- 
pany. Dr, Henry B. Carey, formerly assistant to Dr. SCHNEIDFR, has been 
elected to fill the vacancy created by the latter’s resignation. DR. SCHNEIDER 
is now giving his entire time to the investigation of the so-estied California seas 
beet blight, which has been the cause of great losses to California beet grow 
NUAL announcement of the Marine Biological Laboratory at WL 
Hole, Mass., shows that the laboratories will open on July 5th, the regular 
courses of instruction extending from that date to August 16th. The depart- 
ment of botany for this year will be manned by Dr. Grorce T. Moore, of 
Washington, D. C., and Dr. James J. Wotre, of Trinity College, N.C. Miss 
J. Macrae will act as collector. Correspondence regarding botanical 
courses should be addressed to Dr. Moore at the Cosmos Club, Washington. 
THE Association internationale des Botanistes has shown commendable activity 
not only in the conduct of the Botanisches Centralblatt but also in arranging for a 
supply of pure cultures of fungi and alge. Now it further announces a long list 
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