REPORT OF THE HEAD GARDENER 

 Dr. N. L. Britton, Director-in-Chief. 



Sir: I have the honor to submit the following report 

 for the year 1910. 



Systematic Plantations 



Herbaceous Grounds. The collection of herbaceous 

 plants contains about 2,750 species and varieties. There 

 are 123 beds in this tract. There have been 961 wooden 

 show labels added, 905 individual labels, and 56 family 



Fruticetum. About 1,625 specimens here represent 

 about 720 species and varieties. There have been 166 

 lead show labels installed. 



Salicetum. In this collection there are 35 species and 

 varieties, represented by 102 specimens. There have 

 been 31 lead show labels added. 



Deciduous Arboretum. There are about 277 species 

 and varieties, including those native to the tract. There 

 have been 245 lead show labels made for this collection. 



Pinetum. The collection of conifers contains 272 species 

 and varieties; there are about 1,050 specimens. 266 lead 

 show labels have been added. 



Viticetum. There are 46 species represented here. 

 12 lead show labels have been added. 



Conservatories. The collection of tender plants, 

 including those at the propagating houses, represent about 

 206 families, 1,440 genera, and 8,300 species and varieties. 

 The total number of plants in the conservatories is about 

 13,571- 



Range No. i. There have been added here 2,129 show 

 labels, of which 2,070 were zinc and 59 lead. The collec- 

 tions here compromise 12,281 plants, distributed as follows: 

 no. 1, 192; 2, 371; 3, 620; 4, 432; 5, 1,225; 6, 915; 7, 958; 



