ANNUAL 



15 



of too close planting in the first instance, so that except 

 where trees have grown so as to mutually injure one 

 another, the removal of those which die is in the 



main 



beneficial, and new trees are being planted where it is 

 desirable to replace those which have been lost. 



The additions to the herbarium during the year have 

 consisted mainly of current American collections. A part 

 of the specimens reported a year since as received have 

 also been mounted and distributed. The number of sheets 

 incorporated in the herbarium in 1893, and not previously 

 reported, is 19,417, of which 9,304 were purchased, 3,618 

 were derived from the Bernhardi herbarium, not previously 

 distributed, and 6,495 received by donation or exchange, 

 or collected in or about the Garden. Of this latter num- 



Mr 



more 



knowled 



The principal donors of the year have been the Botanical 

 Garden of Copenhagen, Professor Miyabe, of Sapporo, 

 Japan, Captain J. Donnell Smith, of Baltimore, Professor 

 C. S. Sargent, of the Arnold Arboretum, Mr. C. G. Lloyd, 

 of Cincinnati, Dr. J. Schneck, of Mt. Carmel, Illinois, the 

 Calif ornia Academy of Sciences, and Mr. J. Q. A. Fritchey, 

 of this city. The herbarium as now arranged consists 

 of the following collections : 



The Engelmann herbarium (all groups) 98,000 specimens. 



The general herbarium of higher plants : 



The Bernhardi herbarium 61,120 



Other specimens 46,880 



108,000 



cc 



The collection of Thallophytes 16,420 " 



Making a total of about 222,420 specimens. 



In addition to these hebarium specimens proper, the 

 Garden possesses a set of wood wedges illustrating the 

 forestry report prepared by Professor Sargent as one of 



