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-^ 



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 'Wallace, E. Some recent experiments with lime-su!phur spray. (Proc. Americ, 



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 Weese, Josef. Zur Kenntnis des Erregers der Krebskrankheit an den Obst- 



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Weigelin, Guetav. Gegen die Reblaus und andere Rebenfeinde. (Stuttgart 



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Westendyk, J. De bestrijding van brandziekten in het graan. (Cultura XXIII 



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WiRlicenus H. Cber Gitterschornsteine zur Zerwirbelung der Rauchgase fur 

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Whitmarch. R. D. Peach and plum troubles. (Massachusetts Stat. Rept. [1910J, 



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Wo f Fred A. Some Fungous Diseases of the Prickley Pear, Opunt.a L.nd- 

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- The Brown Leaf spot of Colt's foot, Tussilago farfara L. (Annal. Mycol. X 



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Zimmermann, M. uoer oas wia^c. 



formen. (Landw. Annal. Mecklenburg. Ver. Nr. 48 [1911], p. 383, M. 49 una 



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C. Sammlungen. 



Pie ,nU el.™ '. b„elchn=.en Sa,„n..unge. k=n„en au6» von den Her.u.g.b„n auch durch den 



*Jaap, O. Myxomycetes exsiccati. Serie 5 (f ■/^-^«;) ^l^^^.^.J-j.aes 

 *Brenckle. J. F. Fungi Dakotenses. Fasc. 5-7 (No. 151 175} J 



Faszikel M. 12.50. 



