1920] 



INDEX TO VOLUME LXIX 



539 



Johnson, D. S. 347 

 Johnson, J., work of 94 

 Jones, D. F., "Inbreeding and out- 

 breeding" 530; work of 531 

 Jones, H. A. 127 

 Jorgensen, W., work pf 191 



K 



Kanda, M. 54 

 Kidd, F., work of 190 

 Kneiffia 96 

 Kraybill, H. R. 218 



\ 



L 



Laboulbeniopsis 17; Termitarius 17 



Lactuca sativa, effects of carbon dioxide 

 on 332 



Langdon, LaDema M. 189, 270 



Leaves, exudation of water by 358 



Lignins 534 



Liliaceae, phyllodes in 337 



Linsbauer, K., " Hand worterbuch der 



Botanik" 443 

 Livingston, B. E., work of 532 

 Lloyd, F. C., work of 96 

 Lutman, B. F., work of 272 

 Lycopodium lucidulum, bulbils of 426 



M 



McLean, R. C, work of 93, 445 

 Mahoganies, identification of 189 

 Maize, inheritance of aleurone color in 



407; scutellum and coleoptile 179 

 Maple seeds, physiological study of 127 

 Markle, M. S., work of 353 

 Megaspore of Verbena 58 

 Microspores of Verbena 60 

 Mitosis in Osmunda 88 

 Moore, J. E. S., work of 90 

 Mosses, ecological succession 449 

 Mucilage, plant 96 



Muiaria, curvata 10; fasciculata 11 

 Muiogone Medusae 9 

 Mutation 535 



N 



Nakai, T., work of 96 



Noe, A. C. 443 



North Carolina, fungi of 535 



Noyes, H. A. 332 



o 



Oliver, F. W., "Tidal lands" 350 



Ophioglossaceae, pit-closing membrane 

 in 237 



Osmotic pressure in potato 272 



Osmunda, mitosis in 88 



Overholser, E. L. 273 



Ovuliferous structure of Taxus canadensis 



492 

 Oxidase activity of apple bark and salts 



218 



P 



Parasitism 357 



Pavillard, J., work of 183, 184 



Pears, ripening of 273 



Peniophyllum 96 



Pennell, F. W., work of 96 



Pennsylvania trees 359 



Petiolar glands in plum 391 



Petoskey-Walloon Lake region, upland 



societies of 28 

 Phaeodothopsis Eupatorii 252 



Phillips, T. G. 168 



Phyllodes in Liliaceae 337 



Phyllosticta bonduc 256 



Physalospora Hoyae 254 



Pit-closing membrane in Ophioglossaceae 



237 

 Plum, petiolar glands in 391 



Polyembryony among Abietineae 153 



Porto Rican fungi 248 



Potato, osmotic pressure in 272 



Prairie plants, anatomy of 272 



Pringsheim, H., work of 533, 534 



Pugsley, H. W., work of 536 



Pulling, H. E., work of 353 



Pyrenomycetes, new genus of 535 



R 



Ramaley, F., work of 358, 360 



Raunkiaer, C., work of 185 



Record, S. J., work of 270 



Rehder, A., work of 536 



Reid, F. R., work of 96 



Reviews: Bower's "Joseph Dalton 

 Hooker" 444; Carey's "Tidal lands" 

 350; East's "Inbreeding and out- 

 breeding" 530; Engler's "Syllabus 

 der Pflanzenfamilien" 443; Gilg's 

 "Syllabus der Pflanzenfamilien" 443; 

 Jones's "Inbreeding and outbreeding" 

 530; Linsbauer's " Hand worterbuch 

 der Botanik" 443; Oliver's "Tidal 

 lands" 350; Schneider's "Hand worter- 

 buch der Botanik" 443; Small's 

 "Origin and development of Com- 

 positae" 444; Willis' "Dictionary of 

 flowering plants and ferns" 444 



Ripening of pears and apples 273 



Robinson, B. L., work of 535 



Rocky Mountains, montane plants of 360 



Roots, effects of carbon dioxide on 332; 

 systems of 351 



