(338) 
Mr. Walter Balch gave a course of lectures on vegetable 
gardening on alternate Wednesdays, the rest were devoted 
to flower garden talks by myself. 
In the autumn classes in arithmetic and English were 
given by Mr. Walter Law, one hour daily, and in ele- 
mentary garden design by Mr. George V. Nash. The 
reading room in the Mansion was used for study and 
reference, and the lecture hall there for most of the lectures 
and laboratory work. 
Mr. Walter Balch resigned on May 31, Mr. Elba E. 
Watson on July ro, and Mr. Walter Law on December 7. 
The number of students registered ranged from 56 in 
February through 34 in June and July, to 27 in September, 
and 18, the lowest mark, which was reached in October. 
Respectfully submitted, 
ENNETH R. Boynton, 
Supervisor of Garden Instruction. 
REPORT OF THE HEAD-GARDENER AND CURATOR OF PLANTATIONS 
Dr. N. L. Britton, Directror-1n-CHIEF, 
Sir: I have the honor to submit herewith my report as 
Head-Gardener and Curator of Plantations for the year 
1920. 
Systematic Plantations 
Hersaceous Grounps. Including those at the nurs- 
eries, the herbaceous collections have comprised during 
the past year about 3,450 species and varieties; the her- 
baceous grounds have 130 beds, 26 east of the brook and 
104 west. The custodian of the herbaceous grounds, Dr. 
E. B. Southwick, has been in charge of the work here, as 
well as in the economic garden and morphologic garden. 
The area devoted to the ferns and their allies is in process 
of rebuilding and replanting under his direction. 
Fruticetum. In this collection there are now 2,953 
specimens. The hardy shrub collections, including those 
still at the nurseries, represent 52 families, 144 genera, and 
1,085 species and varieties. 
