1907] 
Motor Coe of Berberis stamens, 
Juel 
ibvedicn. i in on physiology of 357 
Muhlenbergia 232; Lamson-Scribner on 
eu, W. A., work of 293 
Mutation, instance of 283; ‘origin of 
species and varieties by en relation of 
see development to 
santa hiza and nitrogen baie Miller 
2 79 
Arad, W.S., “Food for plants” 217 
aig Ser, Brand on 348 
l, H. V., personal 424 
Nelson, Aven, pines reat Kennedy, work 
of 2 
Nelumbium ee i on 349 
tko St 
. Ge pe — 360 
New Ciediiakzs Arthur o a 
a nitrate, effects o eae 
ab glee fixation of atmospheris waa 
Id on 141; Moller on 79 
Nomenclature = “of esis, Nord- 
ton 293; at K 
recat G28 Og eink of 203 
oem extra, in pollen tetrads 98 
Nutrition, Artarion 145 
O 
Oak, Bartram’s 
Ocdogoniaceae Pascher on dwarf males 
Oenother, oe 46; pollen develop- 
Ohio atu ts ‘(oleax Lake laboratory 
Oldenlandia pesto sue of 159 
Olive E. W Bg nal 296 
Oliver, F. Fae work of 228 
0: scabies, Jones and Morse on 70 
Ophioglossacene fertile spike of, Camp- 
bell 
Nn 354 
Operculina esa ee ei 414; angustiloba 
414; @ a eae 
Orcutt’s eC California Plan 
Oreocarya, Nelson and Kenedy on 231 
Orthocarpus, Heller on 1 
Orthotichum, Cardot a ‘Pheri on 348 
Overton J. B., personal 29 
vule, f. 
in Baie biloba 116 
I's 
Paleozoic botany, Scott on 22 
Palisade cells, Raunkiaer on ate of 355 
INDEX TO VOLUME XLIII 
Palla, E., work of 292 
Pandanaceae, — on 2 
Pandanus utilis, Strasburger on 229 
Sereion Hitchcock on 146 
anelli, E., work “ 357 
araglyeogen and glycogen, Errera on 79 
rthenogenesis in Wikstroemia, Winkle r 
lavRaclacias) 
Pascher, A., work of 291 
Pearl, R., work of 349 
rson, H. 
Peat mosses, Scottish, Lewis on 71 
Peck, C. H., work of 348 
caters ii dberg on 348 
iene J. work of 147 
Pellin’ N on peat 143 
Pelou re. F. ; work of 2 
Penhallow, D. P., scinonel 232; work of 
291 
Pentacyphus, Ulrich on uh 
Peseveoes , Heller on 147 
Pepero , Hill on geophilous species of 
Sopa in sexual cells of Dictyota 383 
Personal: Allen, C. E., 296; ur, J 
Atki 
Cook, M..T., 80 ; Cooper, W. S., 
359; Copeland, E. ot 296; ‘cowie 
ne : i 
» 359; Cummings, C. E., 1525 
avis, B. M., 359; Diels, L., 152: 
Evans, A. W., 80; Farmer, » 1525 
, B. E., 232, 359; Ganong, 
» 359, 360; Gilg, E., 80; Han 
2 
Longo, B., 152; 
Lyman, G., 359; Macbride T.H., beh 
: hts 
tea; South, A. M2 
