CONTENTS. XXI 



BOTANY. 



GENERAL, 



Including the Anatomy and Physiology of Seed Plants. 



Cytology, 



includinsICell-Contents. page 



Farmer, J. B. — Structure of Nucleus in Relation to Organisation of Individual . . 59 



Lubimenko, W. — Cytology of Poll en-mother -cells of Nymphxacex 60 



Gard, M. — Ctjstolith-formation in the Cistacex 60 



Lubimenko, W. — Cytology of the Pollen of the Nymphseacex 190 



Olive, Edgar W. — Cell and Nuclear Division in Basididbolus ranarum .. . . 190 



Guilliermond, A. — Aleurone Grains of Grasses 191 



Escoter, Eud. — Blepharoplast and Cenlrosome of Marchantia polymorpha . . . . 332 



„ „ Nucleus and Karyokinesis in Zygnema 332 



Stevens, F. L. — Nuclear Structures in Synchytrium 332 



BrocqRousseu, & E. Gain — Peroxy diastase in Dry Seeds 332 



Wisselingh, 0. van — Karyokinesis in (Edogonium 463 



Griggs, R. F. — Function of the Centrosome 463 



Oes, A. — Autolysis of Mitosis 601 



Lart, Er. de — Cytology of Pollen-mother-cells of Agave attenuata 601 



Structure and Development. 



"Vegetative. 



Bernard, Ch. — Centripetal Wood in the Coniferse 61 



Knox, A. A. — Stem of Ibervillea Sonorx 61 



Flot, L. — Origin of Leaves and Stem 62 



Tswett, M. — Water-stomata of the Lobeliacex 62 



Gatin, C. L. — Lenticels of Palms 62 



Schwendt, E. — Extra-floral Nectaries 63 



Wieland, G. R. — Historic Fossil Cy cads 463 



,, „ Cone of Pinus 464 



White, J. — Red Wood in Conifers 602 



Gatin, C. L. — Embryology in the Palmacege, Muscacese, and Cannacex 602 



Holm, T. — Hibernation and Vegetative Reproduction of Stellaria 602 



McClendon, J. F. — Xerophytic Adaptations of Leaf-structure 724 



Ono, K. — Extra-floral nectaries 724 



Reproductive. 



Mirande, M. — Polycarpellary Origin of the Pistil of the Lauraceas 63 



Pace, L. — Fertilization in Cypripedium 191 



Jcel, H. O. — Development of Saxifraga granulata 191 



Mucke, M. — Origin and Fruit-development of Acorus Calamus 333 



Nichols, M. L. — Pollen-development of Sarracenia 333 



Schaffner, J. H. — Polar Conjugation in the Angiosperms 464 



Sablon, L. du — Albumen of Capri ficus 464 



Coulter, J. M. — Relations of Megaspores to'^Embryo-sacs 1 . . 725 



Candolle, A. de — Monospermous Capsules 725 



Physiology. 



Nutrition and Growth. 



Fraysse, A. — Parasitic F lowering Plants 64 



Mikande. M. — Parasitic Phanerogams and Nitrates 64 



Schouteden, H. — Course of Molecular Physiology 65 



