500 
Herbst, P., work of 238 
Heredity, in oats 318; theories of 323 
Heterochromosomes 323 
eydri 
: 79 
Home University Jeary 234 
2 tera 
Honcamp, ie , work of 246 
° 
Howe, R. H., Jr., work of 409 
Huron River Valley, botanical survey of 
105 
Hus, H., work of 4 
Hybri idiza fern 166 
ides 
/ Risea rufa, ier a akaice of 
i ed SO South American 163 
I 
vg new cana oe 261 
tis, H., work o 
intesine siedinis. ta brittle or woody 
feet | in Digitalis 78 © 
be 409 
lows “ties 
peat bogs i 
ran, - aed ot 491 
Irrigato 
Ishi see M., work of 326, 328 
cea Re ba flora o 
H. Mike ocaphie des 
ea der auf Java” 67 
Javenese woods, micrography of 67 
Johannsen, We ork of 481 
Jones, W. N., ork of 78 
Judd, John W. ak of 234 
K 
Keeble, F., work we ay 234, 318 
pany work of 4 tis 
Kuwada, ri, work of 322 
Laboratory air 
Lachnea sculelats. ascocarp of 275 
INDEX TO VOLUME LII 
[DECEMBER 
Lan 
»,W. J. G. 391, 478 
Layering a conifers 369 
Leaf-fall 8 
pals - Citas 404 
Lechmere, A. F., work of 240 
Lee, E., pala fe) "80 
Leeuwen-Reijnvaan, J. and W. Docters 
von, work of 2 
Lehman, Ernst, work of 2 
Laciniaria scariosa 409 
W 
sianthus meianthus qui 
1; quichensis 51 
thospermum stots olatum 372; ruderale 
anceolatum 2 
iverworts, peer in a vhdcpids of 320 
Loheria 162 
pcg te dry! work of 323 
unell, J., wor! 
Leaping sI 161; nen 161; sabulosus 
Lychnis, reversible sex-mutants in 329 
MacDougal, D. T. 2 
McFadden, M. E. ror of 162 
bri i. work of 162 
work of 240, 242, 413, 414 
Maize, experiments in ate 
Mamillaria 
Maryland, oni life of 404 
Maslen, A. J., work of 326 
Massee, George, " Diseases of cultivated 
plants and trees” 155 
Mayepea 409 
a blag work of 491 
Memor 
Mendelism 2 235 
rrill, E. D , work of 162 
rritt, 7 L. work of 162 
Merritt; tia 
Mesoxylon, schon’ of 326 
Michigan peat bogs 105 
ayi, Kiichi, ak of 416 
Mitosis in Spinaci 
Modilewski, J., wreak fe 164, 165 
