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Mycologia 
gust 10-12 at the Garden consulting the herbarium and library. 
He has resigned his position with the Porto Rico Sugar Growers’ 
Association at Rio Piedras, Porto Rico, to accept the position of 
plant pathologist in the agricultural experiment station at Santiago 
de las Vegas, Cuba. 
A manual entitled “Northern Polypores” has just been pub- 
lished by Dr. W. A. Murrill, which contains descriptions of all the 
pileate species found in North America east of the Rocky Moun- 
tains and north of North Carolina. Keys and notes accompany 
the descriptions. Similar manuals by Dr. Murrill entitled “ South- 
ern Polypores,” “Western Polypores,” “Tropical Polypores,” and 
“ American Boletes ” are expected to appear within a short time. 
Dr. Arthur Harmount Graves has resigned his position as as- 
sistant professor of botany in the Sheffield Scientific School of 
Yale University, and is at present engaged in research at the labo- 
ratory of Dr. V. H. Blackman, professor of plant physiology and 
pathology at the Royal College of Sciences, South Kensington, 
London, England. Dr. Graves has been a member of the faculty 
of Yale for the last twelve years. His present address is, Care 
of Brown, Shipley & Co., 123 Pall Mall, London, England. 
Dr. W. A. Murrill visited Washington and parts of Virginia 
during the latter part of September and collected a number of 
fungi of interest. He found the two poisonous species V enc- 
narius phalloides and Clitocybe illudens especially abundant, the 
latter growing in open fields as well as in woods, about old stumps 
and buried roots. All of the woodlands were found to be infected 
with the chestnut canker, which caused the death of many indi- 
vidual branches this season, but is expected to do the greatest 
damage in the next two or three years. As a large percentage of 
the timber about Washington is chestnut, the loss will be very 
considerable. 
The Underwood Collection of Fungi, containing 17,000 speci- 
mens, was purchased by the New York Botanical Garden in July, 
