15 



Botanic Gardens, Brussels. 



Les aspects de la vegetation en Belgium. 

 Flora du bas et du Moyen Congo. 

 Sylloge Florae Congolensae. 



Congo Museum. 



Contributions to Flora of Congo, Index. 

 Plantes principales de la region de Kisantu. 



University of California. 



Bulletin Vol. II., No 9. 



Exchanges maintained by the University Press. 



University publications 1906. 



Smithsonian Institute, V . 8. America. 



Report, United States National Museum, 



Systematic Investigations and Bibliography. 



Cactaceas of North Eastern and Central Mexico, by W. E. 

 Stafford. 



Climatic Variation, by J. W. Gregory, F.R.S. 



Heredity and the Origin of Species, by D. T. Macdougal. 



Report 1909. 



Three new species of Echeveria, by J. N. Rose and J. A. 

 Purpus. 



Agricultural Department, JJ. 9. America. 



Experiment Station Record, current numbers. 

 Contributions to National Herbarium, Vol. XII., P. 10; 



Vol. XIII., P. 1. 

 Year Book, United States Department of Agriculture, 1908. 



Welcome Research Laboratory . 



Eight pamphlets on Chemical Subjects. 

 Biographical Sketch of Charles Darwin. 



Dr. Marloth, Capetown. 



A Diplostigmatic Plant. 



Some New Species of Euphorbia. 



Vegetation of the Southern Namib. 



Some Observations on Entomophilous Flowers. 



Some new South African Succulents. 



Notes on the Absorption of Water by Aerial Organs of 



Plants. 

 Die Schulzmittel der Pfanzen Geyen Ubermabige Insolation 



Botanic Gardens, Melbourne. 

 Guide to Gardens. 



Weeds, Poison Plants and Naturalised Aliens of Victoria. 

 Recording Census of the Victorian Flora. 

 Contributions to the Flora of Australia Nos. 11, 12. 



