165 



and brown Kauri from New Zealand (Dammara {Agatkis) aus- 

 tralis Salisb.), Dammar resin from Java {D. orientalis Lamb.), 

 Copal or gum Anime from Zanzibar {Trachylobium Homeman- 

 nianum Hayne), white dammar or Manila copal from Borneo 

 {Valeria Indira L.), and Brazilian Copal {Hvmcnaca Cour- 

 baril L.). 



None of the living trees produces such quantities of gum as 

 are frequently represented in these fossil masses and the reason 

 for this extraordinary production in the past has never been satis- 

 factorily explained. Apparently certain conditions favoring the 

 secretion of gum must have prevailed which were different from 

 those of more recent and modern times. 



Arthur Hollick. 



NOTES, NEWS AND COMMENT. 

 Dr. J. A. Shafer and Dr. M. A. Howe represented the Garden 



Dr. W. C. Coker, Associate Professor of Botany at the Uni- 

 versity of North Carolina, was engaged in cytological research at 

 the Garden during the greater part of July. 



Dr. J. E. Kirkwood has recently been promoted to a profes- 

 sorship of botany in Syracuse University, and the botanical work- 

 there is now recognized as an independent department of the 



Dr. M. A. Howe attended the summer meeting of the Vermont 

 Botanical Club at Pownal, Vermont, July 2 and 3. Pownal is in 

 the extreme southwestern part of the state and is celebrated as a 

 botanical collecting ground. 



Professor F. S. Earle, formerly in charge of the mycological 

 collections at the Garden and later director of the Cuban Agri- 

 cultural Experiment Station, is spending several weeks here, con- 

 tinuing his investigations of the gill-fungi. 



