1900 | 
Verbenacee, Giirke on 13 
Vergnica peregrina, Heiaricher on 215 
Viburnum, Suksdorf o 
405 
Viola, ainplcfaia 193; Pollard on 70; 
Thorii 193 
Violet, Po llard on 425 
Vitis rotundifolia 407 
W 
Wager, Harold, work of rh 
Warburg’s “ Monsunia ” 
Ward’s *‘ Cycadeoidea of the Black hills” 
41 
Warnstorf, C., work of 21 
Washington plants, Shkedort | A 135, 424, - 
Washingtonia divaricata 6 
Water, eee! ological larger tre of 
the Chicago draina age 143; plants, Kny 
on Po, cellular plasma in 28 
Waugh, F. A. 
Webb, J. E., ie rsonal 72 
Webber, H. . vor of 138, 2h 
Sbhebitoa cee ie mutata 
cullat rinata 20 Lal ao ace 
si 
Weisia, viridula es vaca gymnosto- 
moides 13; Wimmeri 
West Virginia plants, Morris on 425 
INDEX TO VOLUME XXX 443. 
Wheeler, wt tg + bet of 282 
Wiegand, K M. 25; work of 210, 425 
Wiesner’s *“ Die Ro hstoffe des acme 
pr eadl 79 
n, E. ’ de, work of 71, 405 
Wildem 
Williams, "f mile F., personal 142 
pi a pateihen n 425; Rowlee on 71; 
Sea n 425 
Wilson's “ = “The cell” 65 
Asc F., personal 431; ‘ Stigmo- 
e” 281 
Wordsdell, W2G;, et of 137 
Wright, W. F., work of 424 
Wyoming plants, Nelson on 71; new 
species of 117 
Xenia, deVries on 212; Webber on 284 
¥ 
Yale pps 3 School 430 
Yasuda, Atsushi, work of 285 
Yeast, ova on enzymes of 211; deter- 
mination of 404 
Zeiller, thes Eléments de Paléobota-: 
nique ”’ 416 
rade marin 
Zukal, Hugo, acah of 216 
Zygadenus, Rydberg on 425 
