470 



THE AMERICAN NATURALIST [Vol. XL 



AVheat improvement is considered by Lyon, in Bulletin 78 of the 

 Bureau of Plant Industry, U. S. Department of Agriculture. 



The well known odor of moldy straw and hay is ascribed to a Strep- 

 tothrix by Hrocq-Rousseu in the Revue Generale de Botanique for 

 October 15, 1905. 



Hedgcock, in BuUetin 90, part 2, of the Bureau of Plant Industry, 

 U. S. Department of Agriculture, differentiates the prevalent "crown 

 gall" of apple trees into crown gall proper, and "hairy-root." The 

 second is found not to be contagious, and the contagiousness of the 

 first is not demonstrated. 



A ])ai)(>r on the indigenous calabashes of ISIexico, the Ayoth of 

 Il. niandr/, i. pubii^hrd in vol. 1, no. 2, of the Anah'.^ de la Academia 

 Mr.nnnn,. 



An illustrated article on liurbank and his work, by Honoria Tuomey, 

 is contained in Out West for Sei)tember, 1905. 



Britten and Woodward have ])ublished some interesting corre- 

 spondence concerning T/IbM-iti(>r in recent numbers of The Journal 



Another of Fniscr's ( atalounes this for 1790 — is reprinted in 

 The Journal of Botwif/ for Xovember, 1905. 



The recenth issued 1904-05 Report of the Government Botanist 

 for the Cape of Good Hope shows that the Cape herl)arium now con- 

 tains 44, ISO sheets of specimens, of which 25,400 represent the Cape 

 flora, - M.nu' :]()()() of these being type sheets left by Harvey. 



A WW liiililiciiiioii of the Tiflis Botanical Garden has been begun,, 

 undrr ihc litlc M<n,;tnir du Jardin Botanique de Tiflis. 



A seri{>s of illustrated articles on the London botanical gardens 

 is being published by Perredes in current numbers of the American 

 Journal of Pharmacy. 



An ;i(((.uni of Dr. Kiiiizc and his cactus collection, by Willey, is- 

 contained in TJte Amrrimn Inrrnfor for October, 1905. 



