/ 
1922] 
Milbraith, D. G. 3 
Missoula region, fos plants from 230 
Moisture content, of expressed plant 
_tis sue ‘fluids st of peach buds 314 
lsat ciate 416; hexantha 418; hol- 
peo 419; jelskii 420; pallatangensis 
io disease of tobacco 342 
Muller, H. J., work of 227 
: : fs) . 428 
ycorhiza of conifers 344 
N 
Nasskeniin Ts ae of 224, 225 
ang Caletonie and the Isle of Pines, - 
plants of “ee 
Newton, R 
Nilsson-Ehie, t HL, work of 3 
aptncig hepa TS, featieath of apple 
trees to 342 
; — deoslondes and temperature 
Noe gs C. 229, 230, ates 232 
North American flora 
O 
Octomyrtus 225 
Oedipodiella 224 
Osborn, T. G. B., work of 3390 
ophytes over rinestone 120 
Ozark forests 341 
iy 
Palm, B. T., work of 342 
Palmer, E. re work of 341 
Sai Myrtaceae of 22 
Pea ch buds, moisture content of 314 
Pellia, fungus sin 3 
Perymenium ecuadoricum 423 
Petch, T. Se tae of 2 
Phaeophycea 431 
Phot resco sae pen in forest plants 
ectrons in 
yscomi ag 
ep pry ss —— 
Polymnia eurylepis 415 
INDEX TO VOLUME LXXIV 
455 
Polypodium, prothallia from sex organs 
of 120 
Poole, H. H., work of 336 
Poole, R. F. 210 
ne oe trichocarpa, anatomy of gall on 
Potaseiog, germ id of 231 
Prosanerpis 
Prothallia trot sex organs of Polypodium 
120 
Queensland, fossil woods of 232 
R 
Ramsey, G. B. 3 
oe eeclariaeacee embryogeny of 
Ieee of apple trees to nitrogen 
fertilizers 342 
Reviews: Arber’s “Water plants” 221; 
Chauveaud’s a nstitution des 
plantes vasculaires” 223; raf 
‘Chemie der Pflanzenzelle” 222; Guil- 
liermond’s ‘‘ Yeasts” 335; e- 
Vaughan’s “Fungi” 114; Kenoyer’s 
oi Plant studies * Indian high schools” 
452; acbri orth American 
slime moulds” 4 pit — “Guide to 
poison plants” 222; ’s 
“‘Lichens” 115; Thomson’s “Guide 
to poisonous plants” 222; W. 
“Junior botany” 452 
Ridler, W. F. F., work of 344 
Robbins, W. J. 5 
Robinson, B. L., work of 225 
Rocky Mountain fi 
Root tips of corn 59 
Rudolfs, W. 215 
Rumex a icus, specific acidity of 
water a and oxalate content of 
foliage 1 
Rydberg, P DA, work of 344 
5 
Sagenopteris 3 
Sahni 
, ae wok fa 231, 232 
. J., work of 120 
prone J. H., work of 232 
Sclero inerea, plums rotted hd 104 
Seeds, “elect of upon hydrogen 
centration 215 
Seward, A. C., work of 231 
