234 



THE AMERICAX NA TURALIST. [Vol. XXXVIII. 



Some oddly grown trees are figured by Newcomb in Floral Life, 

 for December. 



President Seward's address before the Botanical Section of the 

 British Association, at its recent meeting, is printed in Nature of 

 October 8, and deals with the composition and distribution of the 

 floras of the past, with reference to the corresponding phases of the 

 flora of to-day. 



Harshberger contributes to part 2 of the current volume of Proceed- 

 ings of the Academy of Natural Sciences of Philadelphia a paper on 

 Mutations of Hibiscus Moscheutos and one on Form and Structure of 

 the Mycodomatia of Myrica cerifera. 



A spontaneous rapid vibratory movement of certain shoots of 

 Eucalyptus is recorded by Tavares in Broteria of October 30, — 

 which contains a number of other articles of botanical interest. 



The propagation of plants is discussed by Corbett in Farmers'' 

 Bulletin No. tj/, of the U. S. Department of Agriculture. 



Data on autumnal coloring, as correlated with leaf deterioration, 

 are contributed by Keegan to Nature of Nov. 1 2 . 



Anatomical studies of Potamogeton are applied to the classifica- 

 tion of the species of this diflficult genus by Raunkicer in a paper 

 reprinted from Heft 3 of the current volume of Botanisk Tidsskrift. 



An article by Fritsch on the Use of Anatomical Characters for 

 Systematic Purposes is contained in The New L'hylologist for 

 October. 



Fendlera rupicola is illustrated iii Curtis' s Botanical Magazine for 

 November. 



Ostenfeld and Raunkiaer, in Heft 3 of the current volume of 

 Botanisk Tidsskrift, show that Hieracium, like Taraxacum, appears 

 to be apogamic, — a peculiarity not shared by other genera of 

 Cichoriaceai experimented on. 



The distinctive marks of Catalpa speciosa are figured and described 

 by the Editor in Arboriculture for October. 



A paper on Asplenium Ruta-muraria, by Christ, in Hedivigia of 

 October 7, includes an analysis of North American forms. 



