BIBLIOGRAFIA 
bi tra G., Black rot of grapes and its treatmen (Bol. Inst. Agron.. 
‘Paulo, 9 (1898), N. 6, pp. 268-2 
Wagner n venoadi zur kenntnis der Coleosporten und der Blasenmli 
Kiefern (Pinus silvestris L. und Pinus fui Mill.) (Ztschr. 
Pilanzenirnki 8 (1898) N. 5, pp. 257-2 
Wagner Fr. e Sorauer P., Die Pestalozzia- ri pet Lupinen. 
tschr. rire E 8 (1898) N. 5. pp. 266-271, pl. 1). 
Waite M. Sa Pear blight and its treatment, (Eastern New- t- Hort., 
, N. 1, pp. 45 figs. 4). 
Waugh F. A, "The asparagus rust (Gard. Chron., 3. ser., 24 (1898), N ; 
607, p. 120) 
P 3 
smi H. I. and Adams G. E, On the use of sulphur and sutprate 
ammionia as preven'ives of potato scab in contaminated $ 
(Biiode Island Sta. Rpt. 1897, pp. 254-268). 
Wehmer va a rot in pota'o (Ber. Deut. Bot. Gesell., 16 (1898), P 
7, figs. 2; abs. in Jour. Roy. Micros. Soc. [London], Li 
o p. 69). 
Wittmark i Par visi hemum rus, (Gartenflora, 47 (1898), N. 
Ric. ubi A. Most in Coffee-plan! dora (Meded. S° Lands Ple 
tentuin, 27 (1898), pp. 64, pls. 2, figs. | 
Zetner L., Overzich' van de ziekten van he! i op. Java. 2 e dedi 
Vijanden uit het dierenzijk. (Archief v. de Java-Suikerindustri 
1896. Afl, 10 dh 
«i. 000 A dangerous ‘disease of the whi e pine (Gard. Chron, 3, Set» 
28 (1898), N. 588, p. 202). 
