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an eight months' tour around the world. Dr. Olsson-Seffer's 

 headquarters will now be in the City of Mexico, where he expects 

 to arrive by June i, stopping a few days in California en route. 

 He intends soon to present a report to the Mexican Govern- 

 ment on the condition of agriculture in other countries. Dr. 

 Olsson-Seffer is editor-in-chief of a series of " Practical Hand- 

 books on Tropical Agriculture," consisting of over thirty vol- 

 umes, soon to be published by the Macmillan Company. 



The press dispatches announce the death, on April 22, of Dr. 

 Frans Reinhold Kjellman, professor of botany in the University 

 ofUpsala. Professor Kjellman was born November 4, 1846. He 

 was officially connected with the University of Upsala from the 

 year of his doctorate, 1872, to the time of his death, succeeding 

 finally to the chair of botany once occupied by the distinguished 

 Linnaeus. Between 1872 and 1880, he accompanied Norden- 

 skiold on three voyages to Spitzbergen, Nova Zembla, and the 

 northern coast of Siberia, and after his return published several 

 important papers on the flora of the regions visited, dealing 

 especially with the marine algae and the phanerogams. Kjellman's 

 elaboration of the Phaeophyceae for Engler and Prantl's Die 

 natiirlichen Pflanzenfamilien is perhaps the best known of his more 

 recent publications. 



The program of the course of Saturday afternoon lectures at 

 the New York Botanical Garden for the spring of 1907 is as 

 follows : April 27, " The Life Story of a Tree," by Dr. C. Stuart 

 Gager ; May 4, "The Flowers of Trees and Shrubs Growing 

 Wild near New York City," by Dr. N. L. Britton ; May ii, 

 " Jamaica : Its Flora, Scenery, and Recent Disaster," by Dr. M. 

 A. Howe; May 18, "Water Lilies and other Aquatic Plants: 

 their Relation to Horticulture," by Mr. G. V. Nash; May 25, 

 "The Influence of Vegetation in the Formation of Recent and 

 Ancient Swamps," by Dr. Arthur Hollick ; June i, "Some Little 

 Known Edible Fruits of the United States," by Dr. H. H. Rusby. 

 The lectures are given in the museum building of the Garden, 

 beginning at 4 p. m. They are illustrated by lantern-slides and 

 otherwise. 



The program of the commemoration of the two hundredth 



