(30) 
with the New York Botanical Garden, held exhibitions of 
plants and flowers in the museum building on May 11 and 
12, June 15 and 16, August 24 and 25, and September 21 
and 22. 
A lecture on the use of plants and flowers in design was 
given at the Mansion on October 17 by Miss Donlevy. 
Personal Investigations 
Administrative, curatorial, and editorial duties have left 
little time for consecutive scientific work this year. The 
demand for information has increased, especially in con- 
nection with fungi causing forest diseases and fungi used 
for food. 
The gill-fungi of tropical North America were com- 
pleted and the two final instalments published in ALycologia 
for January and March. Several parts of North American 
Flora are in preparation, with the assistance of other 
specialists. 
he popular illustrated articles on fungi in Mycologia 
have been continued with the aid of colored plates drawn 
by Miss Eaton, six species of polypores and ten species of 
gill-fungi having been treated in this series during the year. 
Respectfully submitted, 
W. A. AMurritt, 
Assistant Director. 
REPORT OF THE HEAD GARDENER 
Dr. N. L. Brirrox, Drrecror-1xn-CHIEF. 
Sir: I have the honor to submit herewith my report as 
Head Gardener for the year 1918. 
Systematic Plantations 
Herpaceous Grounps. There have been grown in 
these collections during the past year about 3,266 species 
and varieties; there are here 130 beds, 26 east of the brook 
and 104 west. 289 show labels have been made for this 
