XX CONTENTS. 



BOTANY. 



GENERAL, 



Including the Anatomy and Physiology of Seed Plants. 



Cytology, 

 including- Cell-Contents. 



PAGE 



JANS8EN8, F. A. — Nucleus of the Yeast-Plant 69 



Janssens & Mertens — Micro-chemistry and Cytology of a Torula 69 



Wisselingh, C. van — Abnormal Nuclear Division 70 



Cannon, W. A. — Spermatogenesis of Hybrid Peas 70 



Lotsy, J. P. — Bivalence of the Chromosomes 315 



Wasielewski, W. v., & B. Nemec — Amitosis in Plants 315 



Gregory, K. P. — Reduction Division in Ferns 315 



Ichimura, T. — Formation of Anthocyan 315 



Bibliography 316 



Meves, Fr. — Occurrence of Mitochrondria and Chondromites in Plant Cells .. .. 538 



Charabot, E., & G. Laloue — Scent of the Orange Flower 538 



Strasburger — Observations on Reduction-division 662 



Koernicke, M. — Recent Work on Cytology 662 



Berghs, J. — Heterotypic Division 662 



Wager, H. — Function of the Nucleolus 662 



Gregoire, V., & A. Wygaerts — Reconstitution of the Nucleus and Formation of 



the Chromosomes ' 663 



Gregoire, V.. & J. Berghs — Formation of the Achromatic Figure in Pellia .. .. 663 



Schulze, E., & N. Castoro — Inorganic Phosphates in Plant Seeds and in Seedlings 663 



Structure and Development. 



Vegetative. 



Tondera, Fr. — Stem of Sicyos angulata 70 



Svedelius, N. — Saprophytic Gentianacex 70 



Daguillon, Aug., & H. Coupjn — Structure of the Extrafloral Nectaries of Hevea 71 



Viguier, R. — Anatomy of Seedlings of Labiatse 192 



Candolle, C. de — Adventitious Endogenous Buds 192 



Delacroix, G. — Degeneration of the Potato 193 



Chauveadd, G. — Persistence of the Alternate Structure in Cotyledons 317 



Dauphine, A. — Lignification of Subterranean Organs in Plants of High Regions .. 317 



Masteks, M. T. — General View of the Genus Pinus 422 



Schaffner, J. H. — Morphological Peculiarities of the Nymphxacese and Helobise .. 423 



Hamilton, A. G. — Byblis gigantea 424 



Goebel, K. — Regeneration in Lentibulariex 424 



Yasuda, Atsashi — Comparative Anatomy of Japanese Cueurbitaceas 538 



Faber, F. C. von — Development of the Bicollaterdl Bundle of Cucurbita 539 



Lippold, E. — Leaf form and Stomata of the Dwarf Plants of the Wiirzburg Lime- 

 stone 539 



Daguillon, A., & H. Coupin — Structure of the Petiolar Glands of Hevea brasiliensis 540 

 Hemmendorff, E. — Vegetative Propagation in the Floral Region in Epidendrum 



elongatum 540 



Bibliography 540 



Bernard, Ch. — Centripetal Wood in Leaves of Conifers 663 



Arber, E. A. N. — Cupressinoxylon Hooheri 664 



Ward, Lester F. — Cycadeoidea Reichenbachiana 664 



Darbishire, O. V. — Observations on Mamillaria elongata 664 



Gatin, C. L. — Germination and Formation of the Primary Root in Palms . . . . 664 



Bibliography 665 



