1905] 
ze Plantago major, vitality of seeds 141 
Plant geography of Servia, Adamovit on 
47 
im, Harms on 468 
_ Podocrea 4 
_ Podophyllu 
duction ‘divisi 
= Poostemonaceae, Nash on 74 
Pe Podostroma 412; ainteieien 416; 
cael 
a caps Overton on re- 
385 
leu- 
copus ~~ 
ie oniace e, Milliken on 152 
= nium, ccc on 76; coeruleum 
Daas 
Pollen, ain 50) 34 of Araucaria Bid- 
willii, n 391; mother-cells, 
heeroyple dercniomeied T7I, Miyake 
n 384, big agd 28 on 383 
Patines mus americana 218 
ae Christ 468 
e. OE scca, Murrill on 388, 468 
_ Polysiphonia, behavior of zoospores 331 
Pond, R. H., 78, 153, 1565 159, 236, 238, 
317; 318, 304, 305; 390; 473; “ Aquatic 
plants and the subst tratum” 231 
Porcelia, cara goes a ———— I 
Porodaedale a, Murrill o 
ee eeyitum, Holwayanumn 202; macro- 
cephalum 
Porsild, P., penne 80; laboratory in 
enland, Olsson-Seffer on 
vitality 
Postglacial migration, Adam 
uti of Nebraska and rit Bessey 
7 
Bt cocharcnus, Engler on 152 
es, subject for Walker, for 1906, 80 
oserpinaca, Small on 75 
Protease es in sho — vulgaris 127 
Proteid see 
-Proteolys 
affinis 208, 
hylli ee 
inanipes 205; waite 20 
INDEX TO VOLUME XL 
491 
phanes 207; jaliscana 202; montanoi- 
folia 207; nanomitra 207; Noccae 202; 
opaca 203; Otopappi 200; tae cula 
orophylli 202; pra a 208; 
rosea 206; semiinsculpta ge pti 
i similis 20 e 
obosa 
cola 202; Tithoniae 200; 
; eR 207; Zexmeniae 203; 
ieee TE . Brickelliae 
Punnett, R. C., Bateso ig ee and 
gia tage Mur 
Pyrrocoma, Rydbe rg on os 
Quercus, Small on 75; rubra, vitality of 
seeds I41 
R 
eS Eastwood on 76 
m Se , F., on anatomy of cotyledons 
penwlata: Bubak and Kabédt on 468 
Ran pointe Flora A., Peirce and 321 
Ray rs of Chrysanthemum, Ludwig 
on I ae 
2eforestration, hhc on 239 
Sila 97; 2 
gnellidium, iidans on 236 
ie 
R ee. al 68 s 
Re J, ne patnence of light on germi- 
Sexton! A. B., personal 68 
um novarum specierum regni 
ceoqtabiln - 
Respiration, Bro and Esc on 
foliar 473; Techeriajew on : oo 
ateso! Sau ders, Punne 
urst’s  Phsiolgy of h caedity” 
and Sablon’s “ Sore de 
° 
bel’s « Organography of pl ants” 
461; Guéguen’s “Les champignon 
