514 
Trelease, William, personal 319 
Trichogyne of Polysiphonia 413 
Rose oe terreum, Se mycor- 
Trifolium pratense foliosum 317 
225 
Tether E., on elgg 67; on Men- 
delism in agriculture 6 
Tswett, M, on ilocoriiil 499 
Turgor i in yeast 316 
boa 67 
Tum 
U 
Uhlw eine se — 240 
pei ~~ of 156 
eobryum 
Ultamicrosope, hen a AA on 223 
I WOoe » pers 79 
Gaaveniiy: California, Vesbietisies 5043 
of Illinois, herbarium 400 
ko 
: is 
ng, A., on ascent of water 151 
Usher, F. L., n photosynth | 77 
Ustilaginales "of N. Am. 497 
Ustilago Shiraiana 227 
Uyeda, work of 227 
Van Hook, J. M., on diseases of ginseng 
6 
Van Tieghem, Ph., on Araliaceae 237 
Vascular system in 
ongress in Wien (1905) 493 
Vienna 237 ess 49 
Vilmorin, Maurice An personal 320 
Vilmorin, Philippe L. de, personal 1 
Vines, S S H., personal 400 
Viola 225 
INDEX TO VOLUME XLII 
[DECEMBER 1906 
Vries, Hugo de (see DeVries) 
W 
Waite, M. B., ee iy — 
ebiated Prise, s 
Ward, H. Ma eal death of 239; sketch 
of 40 re) 
Water, ascent o 
Welwitschia, Ska on 67 
Went, F. = F, C., on apogamy in Dasy- 
en 
lirion 
Whetzel, i, H., on diseases of beans 64 
Whitford, H. N., on Philippine forest 
vegetation 232 
Pacey Cc. Pg Oe ork of 312 
yee sgh ne R., on American fossil cy- 
cads 2 
Wiser, ae work of 312 
Wilcox, E. Mead 63, 157, 232, 238, 316, 
17, 318 
Wildeman, E. de, personal 80 
Wittmack, L; personal 320 
Worsdell, W. ce, on Sgr 71 
Wainsche, Otto, ‘personal 8 
ylie, R. B., personal ae 
x 
Xanthium, delayed germination 269 
¥ 
Yamanouchi, Shigeo 4o1 
Yeast, turgor in 316 
Z 
paietaee 3alae A., work of 156, 22 
Zaleski, W., che emistry of pes 
39 
Zamia, t ta 334 
Zyga sdevas , poisonous 232 
ence of Mucor 77 
