(441) 
addition two genera and two species in the American wood 
garden, not represented here. 140 show labels have been 
added. 
SaticetumM. The collection here comprises 139 speci- 
mens, representing two genera and 37 species and varieties. 
Decipuous ArBoretum. This collection, including those 
native tothe tract and those still in the nurseries, comprises 
405 species and varieties. There are 1,053 individual trees, 
representing 31 families and 59 genera. For this collection 
there have been made 162 show labels. 
Pinetum. There are 3 families and 20 genera shown 
here. There are 1,651 specimens, and about 261 species 
and varieties. 525 show lables have been placed here. 
Vitricetum. There are here about 50 species and va- 
rieties. 6 show labels have been put here. 
Conservatories. The collections under glass comprise 
about 9,311 species and varieties, representing 207 families 
and 225 genera. The number of plants in the public con- 
servatories is 16,953, somewhat less than last year, as the 
number of duplicates is being constantly reduced. 
Range 1. There are here 10,317 specimens, as follows: 
house 1, 335; house 2, 414; house 3, 475; house 4, 573; 
house 5, 1,400; house 6, 523; house 7, 770; house 8, 789; 
house 9, 144; house Io, 878; house 11, 459; house 12, 1,145; 
house 13, 507, house 14; 698; house 15, 1,098; cellar, 109. 
1,017 show labels have been made for the collections here. 
Range 2. There are here 6,636 plants, distributed as 
follows: house 1, 79; house 2, 160; house 3, 60; house 4, 
1,560; house 5, 1,884; house 6, 1,412; house 7, 1,228; run- 
way and cellar, 253. 868 show labels have been placed 
here. 
PropacaTinGc Houses anp Nurseries. There are here 
8,459 plants, excluding those used for special studies by 
the Director of the Laboratories. 591 packets of seeds 
have been received, as follows: gift, 13; purchase, 260; 
exchange, 249; collected, 69. In addition to the above 
there have been collected on the grounds 350 packets. 
