508 
O 
Oenothera, gigas nanella 337; pratincola, 
SS 25 
Olive, E. W., any of 416 
xidation in apple | bark 55 
ig 
Pasco Bh ce of apa 
Pallavi of Jav 
Parasitism, Dhol of 504 
Sedat 
Pearson, ., work of 502 
vk entranthera 381 
Pelagophycus, size of 4 
475 
Pellia Drip oe of 134 
Pentstemon 380 
etry 
pry 
Ph ognosy 406 
Photo-perceptions and temperature 330 
hyd ete pres h in the tropics 327; 
Pickett, F. L., ate of 503 
Pieters, Ai J: 
lowman, A. B. 169 
Plumbagella, new “Aah of embryo sac 326 
Podocarpineae, megasporophylls of 301 
anceolatus, aie of 223 
8 
ar] 
3 
pe 
oh 
33 
Prairie grove, invasion of 331 
Psoralea aromatica 379 
R 
Rain-forest, a montane 237 
Ramale 
coco-nut’”’ 76; ‘on’s ‘‘ Transpira 
and ascent of sap” 74; Hall’s “Plan 
INDEX TO VOLUME LX 
[DECEMBER 
life” 497; Jepson’s “‘A flora of Cal 
ornia” 77; Kraemer’s “‘Pharmacog 
5 “Mesozoic 
79 
+97, A733 poets of 168 
s, M.M work of 3 
pom Edith A. 
Root systems, effects of illuminating gas 
on 27 
Rosaceae, embryology of 332 
Rose, D. H. ¢5 
ose, KR. C. 27 
Rusts, biology of 415 
S 
Sahli, Gertrude, work of 4 
Salix. 375; amygdaloides con Bebbiana 
398; chlorophylla 397; Fendleriana 
307; fluviatilis 52, 3097; eriana 
399; glaucops 397; hitew pate nap 
cola 3907; Nelsonii 397; 453 
prngides 398; Bcoetenn rer hg ses- — 
silifolis 4 
Sanio’s es 66 
Sap, ascent of 74 
Saprolegnia, Kaufmanniana 
488; 
— var. vexans 489; new species Sof 
Svales: F. M. 1 
Schumann rays as an agent for steriliza- 
Sock D. H., work of 87 
Sears, P. B. , wo rk of 80 
Seeds of Polygonaceae 88 
. 163; work of 417 
Sheldon, ‘Sarah M. , work of 168 
She asa H. B. 66— 
Shreve, F., Zz montane rain-forest”’ 237; 
vie of 2 
Shull, G. H. Tes. aa) 324 
B. 4 
Africa” 497 
. W. 3335 shar of 87, 247, 330 
FJ. 1 
, E. F., sb am of 333 
28 
Africa, ferns of 497 
Spaulding, P., work of 243 
Sphagnum bogs of Alaska 168 
Saknas. E. C., work of 420 
Stout, A. R., work of 500 
