53° 
Peridermium 81, 520 
- Petunia 358 
Pfeiffer, Norma E. ao 
Pfeiffer Wa 
nda M. 
Philippine Islands, oe of 186; ferns 
of 357; fungi of 359 
Phillips, F. J., work of 272 
Phlox ne 358 
Phosphorus content of oat grains 364 
Phyllodoce 
Phylogeny, of algae 268; of plants 256 
Phyllo Bonet aoe 379; Labruscae 376 
ysalospo 
Pinus a Ophiglossum 274 
Pirula gemmata 
Plummer, Fred G. work of 450 
Pneum: Spatechte 
Podocarpus 
Sepa plants 253 
Poiretia 77 
P yma 357 
Polysiphonia a pay 
generations in 239 
Paviikees 5 - 
Porsild, Mortem P., work of 87 
Porto Rico, _— of 516 
alternation of 
g 
4 
otass plants 362 
Potentilla ta enti, parasitized leaves 
376 
pie D., w 
ork of 7 
Prairie 188; grove, ite phytogeographical 
— 
F. j., work of 445 
Pesta of Pteris 436 
eet re sg pl at leaves 
Patter, A., “Vergleichende Physiologie” 
ee Hs 75» 79,.518, 519, 520; Poten- 
tillae 376; Viole 374; Xanthii 381 
-Purpus, J. A., work of 78 
Pyrus Malus, haba gitiaed leaves 378 
Quehl, L., work of 359 
ar So annual ring and eedelinny rays 
264 
Radlkofer, L., weak of 78 
Rankin ,W. M., wade Ab ach 
Raphanus sativus, parasitized leaves 382 
INDEX TO VOLUME LIII 
[JUNE 
Ray eco fae in Abies 3 
Reduc on oy Meaty in Mt ccaian 280; 
in How 298 
ehm, aw fork of 3 
Rendle, Allred B. thea Fawcett, William, 
“Flor of Jamaica” 355 
Renner, 0, ork of 
Respiration, beration of heat 89; and 
unding 4 
Bote. pa ore eee course in 
” 
botany” 515; “Cretaceous 
flora”’ 256; Bigelow's s “Appl ed biol-_ 
ogy”’ 515; Blakeslee’s ‘‘New England 
trees” 355; Cameron’s “Soil solution”’ 
Baten e. Ws “Eu ngiatae”’ 
71; Castle’s “Heredity” 441; Chil- 
ton’s “Subantarctic Islands of New 
Zealand” 254; Duggar’s “Plant phys- 
ett 
endle’s ‘‘ Flora of Jamaica” re ° < 
‘ry’s “Liverworts, British and for- 
eign” 356; Frye and Rigg’s “Labora- 
tory exercises in elementary botany” 
ne ae f at, ang Pence, 
Flor 
9; Haya 
oye Heilenhain’s eae % 2 1Zelle” 
69; Hunt and Pea rapgutie “Elem 
tay plan t biology” 516 
; Jarvis’ 
England trees” 355; Jongmans’ ape 
stimmung der Ka tbon pflanzen” 252; 
Kiister’s “Die Gallen rier P Pflanzen”® 
72; Lankester’s ‘‘Science from an easy 
chair” 258; otsy’s “Botanische 
Stammesgeschichte” 257; Massart’s 
hi 
“‘ Geographie seomenats de la_ Bel- 
55 mmel’s “Manual of 
Pay 
botany 
iolo 516; tter’s 
Physiologie” 
i le 
516; Seward’s “Fossil plants” pe 
Schneider’s “‘Illustriertes Handbuch” 
e 
WwW 
tematichen Botanik” 257 
Pik of Ernest S. 365 
Rhex 
Avrenchig zygospores of 67 
hodochytrium, development and cytol- 
ogy of 12 
Riddle, Lumina os work of 276 
Ridley, H. M., 83 
raya e: B. om sa is é » “Laboratory 
exercises. in elementary bot tany” 516 
