WW. 
Wo ortmann, J a 
1897 ] 
Water, Davenport on réle of in growth 
iti 
Webber, H. J., 16, 225, 302; 
hyacinth” - phages of 185 
Weeds, of Ariz 68, 298; sano 
68, tak Fletcher on Canadian 
Wheeler er, C. F., personal 141 
“water 
work of 143, 
ag personal 143 
wo 
Wyman’s “Oaks” aa 
INDEX TO VOLUME XXIV 
xX 
Xanthoxylum, see Pe ag 
Xyridaceze, Malm 
Y 
Yeast, ancient use of 301 
Z 
“ie perso 
Zahlbruck 171 
n 16, ine: a 
errugineum 
Zamia, W sie 
Zanthoxylum 
Zexmenia pisiettaienia gh podocephala 
zi , literature of movement 300; 
Oltmanns on 383 
Zornia 
Zygomycetes, new or peculiar I 
