480 
paste gs Deamii 455 
work of 314 
Braz Tidaceae of 311 
Britton, N. L., work of 155 
Broad ray in Guercus 161 
Brooks, W. E., wor 
. ne R 
os yt ieee sae of 154 
tb: 
Cactaceae, Daggpenocr of 477 
Icium gnesium 41, 
Butler 
' 
304; VS. 
sodiu 
Caldwell, O.W 
California, McGrane on plants of 154; 
s of 462 
pedal ah rhodocephala 454 
Campbell, D. H., work of 78, 396 
Canada, Ki Kindber, rg on mosses of 310 
Capsella, Bursa-pastoris 478; Heegeri 
478 
Carano, E., work 
Carbohydrates and — 465 
Carbon monoxid, effects of 472 
Cecidology in America 2 
Cell wall, Postma on pest of 319 
Central American plants, Rolfe on 156; 
— ith on 453; Sprague on 310; Wolff 
Ceratopteris, Benedict on 154 
ereus, Roland-Gos- 
selin on 310; Weingart on 156 
oo C.J 935 75, 78, 79s 239, 329. 
Chem 
Chemotropism of pollen tubes, Lidforss 
erates A., work of 3 
hina, Pasc her on plants 156 
ona oplas ts, Senn on position of 317 
hrist, H., work of 155, 308, 46. 
oooeeeces. 
5 55. 
g422 
: “3 
ae 
QO 
= 
g 
, 
gy 
Lal 
wt 
a 
w 
“eg 
omosomes, elohgeewars Hyde on 78; 
‘Ochotties Dav. Osmunda, 
eatin i on 1; os iis Rosenberg 
n 239; Taraxacum, Rosenberg on 
239 
pencenreneg te Pascher on 310 
Chrysler, M. A. 160, 396, 474, 477 
Chrysophlyctis endobiotica, Giissow on 
INDEX TO VOLUME XLIxX 
[JUNE 
Chytrids, new genus of 311 
Cistaceae, ee on 309 
lark, L., work of 1 
Clements’ pchavat of fungi” 
Closterium, Borge on 154; ott Dadar 
of 241 
Clute’s ‘‘ Laboratory botany for the high 
schoo 
Cockerell, T. D. sas work of 155 
Collins a, of 74 
Colorado, pre fiions and vegetation in 
2 
Color guide, 
Combretaceae, ‘Mervil on 310 
Commelina, gall on, Leeuwen- 
Reijnvaan on gn 
Compositae, Ewart, White, and Rees 
mpos 
— an 309; Vaniot and Léveillé a 
rean I 
contoebe Cretaceous, Hollick and 
srg H. A. 303; A 
ellrey 
Contributors: 
Br ys Bachma 
© ; A. 160, 396, 4 
19, 398; Coulter, M 
60, 62, 63, 69, 71, 72, 73» 75 76, 77 78; 
9; > 3) 7 159, 5» Kade 6, 
318, 471, 473) 474 475, 470 477 4785 
owles, 305, 382, 3 63 
50; H ald, F. D. 183 larshberge iF 3193 
Prechcock. A’S, 
Ho 
; Sk . 
4 a i 
290; Shattuck, C. H. 19; Shull, G. : 
110; Smith, J. D. 453; Smith, R. 
