NEWS NOTES AND WANTS. 215 



There has just been issued a volume entitled. Lectures on 

 Plant Physiology, by Dr. Ludwig Jost, translated from the Ger- 

 man by P. J. Harvey Gibson, M. A., F. L. S. It is a book of 

 564 pages, in the splendid style of the Clarenden Press, and re- 

 calls in its scope and grasp the monumental work of PfefFer, 

 witli which all students of botany are familiar. Every plant 

 physiologist will welcome this important addition to the litera- 

 ture. 



Experiments ivith Plants, by W. J. V. Osterhout, published 

 by the MacMillan Company, is a useful book and worthy of 

 special mention by reason of the facility which it lends itself to 

 experimental work in plant physiology. The most striking fea- 

 ture of the book is the simplicity of the apparatus required and 

 the multiplicity^ of the experiments outlined. 



A second and revised edition of a University Text-Book of 

 Botany, by D. H. Campbell, has lately come from the press of 

 the MacMillan Company. 



Tlie next meeting of the American Association for the iVd- 

 vancement of Science will be held during Convocation Week, at 

 the University of Chicago. The sessions of Section G (Botany) 

 will take place in the Hull Botanical Laboratory. Inasmuch 

 as the Secretary of the Section is at too great a distance for 

 quick mail service, it is particularly requested that titles of pa- 

 pers to be read be sent directly to Dr. Llenry C. Cowles, Univer- 

 sity of Chicago, Chicago, so that the Secretary, upon his arrival, 

 may have all business promptly in hand. Affiliated botanical 

 societies are invited to hold their sessions in the Hull Botanical 

 Laboratory. 



Tlie Horticultural Society of Neic Yorli has issued a pre- 

 liminary program of the International Conference on Plant 

 Hardiness and Acclimatization, to be held in New York City, 

 Oct. 1, 2 and 3. Among the titles listed are to be noted the 

 following of general interest : Factors affecting the seasonal 

 activities of plants, by D. T. MacDougal ; Factors that control 

 acclimatization, by M. C. Cowles ; Evaporatiou as a climatic 



