Igto] INDEX TO 
Onoclea, sex of gametophyte 2 209 
Orchids 232, 233; flow — formative 
stimuli 76; root-fungi 3 
Osborne, T. B. “‘The cas proteins” 
230 
Osmundaceae, fossil 74, 476 
I 
Ovule, Zamia 128 
P 
Pace, Lula 
Palibine, re ork of 233 
Palladin, W., jan of 315, 316 
Pandanus, embry 7o sac of 320 
Paleobotanical Heerehice 471 
Parasites 477 
neg , F., work of 232, 233) 469, 471 
¢ of Cucurbitaceae 
Pe nicilliu um 
Pennington, L. ms 257 
Permeability 23 
Petersen, H. E. ork of 233 
Pflanzenreich 4 
Pharmac angie i text-book of 390 
a ratio of, on absorption and 
Ph "shia sm 3 
Phyllocladoxy ae 
Phyllocladus, seibeests 87; female game- 
tophyte 85; male gametophyte 82; 
morphology 82; Sisley or gt 
sci morphol f 31 
Physcia v 159 
ilger, R., cack a f 233 
Pina evolution of 236 
Pityoxylon 
Podoca Aer 
and Araucarineae 92; 
morphology of 81 
odocarpus, structure of 236 
Polarity 240 
Pond, R. HL 158, 388 399 
Pool, Venus ne 15 
Populoca 
Porodoko, Theodor, work of 71 
sentra ratio of, on absorption and 
Pacis sks ow, D., work of 75 
Aig eoxylon 70 
ete of 233 
Seatac tes 233 
VOLUME L 485 
Queva, C., work of 396 
R 
Rafflesia, fertilization in 160 
Ray tracheids, albuminous cells of 11; 
: Bur eof's {Die Wurzelpilze der 
Orchideen” 386 Christ’s ‘‘Geographie 
: Clark oid Fletcher’s 
patie “Morphologie der Pfla 
;- Willis’ ‘‘ Agriculture in the tropics” 
Richter, ., ~— of 317 
Riddle eo W. 2 
tient ihe 471 
Ritter, G., work of 159 
Roberts, Edith 321 
Robinson, C. B. work of 233 
Root, in ys of 9x: oe tracheids 
in 102 
Root-fungi of orchids 386 
Rorhardt, P. 
osen 
ose, R. C. 71, 3 6 6 Si 160 
Rydberg, P. A., work of 2 
S 
Sabal — 232 
Sabiocaulis 6 
Sackett, W. Cc, work of 1 
sae ts of 238; stain, cedintias enzymes 
Ga eechaca morphology of 94 
cs 
