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REPORT OF THE HEAD GARDENER 
Dr. N. L. Britron, Direcror-1n-CuieErF. 
Sir: I have the honor to submit the following report for 
the year I9gII. 
Systematic Plantations 
Hersaceous Grounps. There have been grown in the 
herbaceous collections, including those at the nurseries, 
about 2,950 species and varieties. There are 125 beds in 
this tract, 2 having been added the past year, one for the 
Basellaceae, the other for the Loasaceae. There have 
been 392 individual show labels and 3 family signs added. 
Fruticetum. About 1,700 specimens here represent 
about 727 species and varieties. There have been 250 
show labels added. 
SaLiceTum. In this collection there are 38 species and 
varieties, represented by about IIo specimens. 83 show 
labels have been prepared. 
Decipuvous ARrBorETUM. There are about 280 species 
and varieties, including those native to the tract. 218 
labels have been made. 
Pinetum. The collection of conifers contains 274 species 
and varieties; there are 1,062 specimens. 40 show labels 
show have been added. 
ViticeTuM. ‘There are 48 species represented here. 
Conservatories. The collection of tender plants, in- 
cluding those at the propagating houses, represent about 
207 families, 1,455 genera, and 8,450 species and varieties. 
The total number of plants in the conservatories is about 
15,373. 
Rance No.1. There have been 2,311 show labels added 
here. The collections comprise about 11,835 plants, dis- 
tributed in the houses as follows: no. 1, 224; no. 2, 468; 
NO. 3, 560; No. 4, 458; No. 5, 1,449; no. 6,679; no. 7, 1,007; 
