484 
Marasmium, Theisen on 310 
Marloth, R., work of 77 
Marsdenia nia gualanensis 456 
sy alere Poe of heterospory in 
Pry : 
bites ss 
aes G., work of 31 
ury’ s Native ii of Kentucky” 463 
MeCubbin, 
McGregory ames ig ork of 154 
Medicago, Euler nid ‘Bolin on oxidase of 
errill, E. D., work of 156, 3 
Mexican plants, Bouly de eid on 
B10 ment on 310; Rolfe on 156 
Mi aus 
Microsporophyls 3 Bost 23 51 
icr ‘ood 
Mitchell, Gertrude 4 
ge hives of toxic solutions gor; in 
; 
] 
Mistletoe as 
] 
] 
‘iredchettann: Griggs on 311 
Monocotyledons, Carano on secondary 
growth of 396; Evans on eepdtings of 
319 
Moore, Willis L., work of 398 
rris, B. %., work . 154 
a, Malme 
ses, Hod zog on oy nee vig on 310 
Mottier, David M., work of 
Mou mane Nieuwland on tha: joint of 79 
ate of Myriophyllum leaves, 
m 76 
Mucilage gk of Ginkgo, development 
Miiller, Carl, work of 159 
ome so W. A., we 
Mes rhiza of Cordaites, Osborn on 76 
si i um, Wachter on apatite of 
leave: 
Merce: Robinson on Philippine 156 
N 
Nakano, H, a 
Nash, G. V., work of 155 
Needham, James ae work of 389 
Neger, F. W., aos oh ee 
Neojunghuhn ia 4 
ephro "Black on imbedded anther- 
idia in eae 
Nevada, faring on oe pase’ of 309 
New Gui ee tio Preteis 
Nichols, G. e, ork o 
Nieuwland, J. ores eck of a 79 
INDEX TO VOLUME XLIX 
“Essai de pe sick en ‘bela 
[JUNE 
Ni itrogen, Pollacci on fixation of free 78 
“North American flora” 64, 386 
Nucleus, of Closterium 252; of Peperomia 
189; resting, Rosenberg on 320 
O 
Oedogonium, Van Wisselingh on cell 
wall of 
actin, Gates on 309; Guffroy on 
384; monograph of 384; peak in 
79; gees A of 316 
Olive ork of 388 
Olpi diu 
Onocea Struthiopteri, monoecious pro- 
thalli 
Ophioglossaceae fertile spike of 474 
Opuntia, Griffiths on 309; Purpus on 156 
grr of New Guinea 464; Rolfe on 
T. G. B., work of 76 
osomes in 1; cytology of 
stele of 475; synapsis 
Fp 
cory’ chrom 
sin 1; 
Osmundaceae, foliar gaps of 477 
tenfeld, C. HL, work of 467, 476 
Peibocaiice A., work of 469 
Ourococcus, Crebty on 309 
Overton ee a 
Ovule, eed ae 282; a vulate 
Scape of wate Benson ‘itd Welsford 
Oxidase of Medicago, Euler and Bolin on 
r 
Palestine, agricultural experiment station 
in 491 
Palms, Beccari on sh 
trac ver, Fedde on 155 
raguay, Meck and Hassler on plants 
ee Kneip and Minder on germina- 
tion of seeds of 390 
Parish, S. B. 462 
Parthenocat rpy, Longo on 400 
scher, A., work of 156, 310 
Pelourde, F., work of 160 
Penicillium, pecs production in 47° f 
Peperomia, nucleus and cytoplasm © 
I 
Peridial rg in Roesteliae 445 
— bility 
=. anes “Oh, Bouly de Lesdains on 
o5 Rosenstock on 310; Wright on 
Pfeiffer, Wanda M. 237 
Pfundt, Max, work of 236 
