CONTENTS. XX111 



BOTANY. 



GENERAL, 

 Including the Anatomy and Physiology of Seed Plants. 



Cytology, 

 including 1 Cell-Contents. 



PAQB 



Mano, T. M. — Relation of Nucleus and Chromosomes 40 



Berghs, J. — Achromatic Spindle of the Heterotypic Division 40 



Berghs, J., & D. M. Mottier— Heterotypic Division 40 



Guilliermond, A. — Karyohinesis in the Ascomycetes 41 



Davis, B. M. — Studies on the Plant Cell 41 



Swellengrebel, M. — Nuclear Division in Yeast 186 



Mereschkowsky, C. — Nature and Origin of Chromatophores 186 



Bibliography .. 186 



Kichter, O. — Micro-chemistry 324 



Wuxff, T. — Protoplasmic Continuity 324 



Blackman, V. H. & H. C. Fraser — Sexuality of Ascomycetes 324 



,. „ „ „ Sexuality of Uredinese , . 324 



Farmer, J. B. & A. C. Moore — Nuclear Division in Hepaticse 325 



Bibliography 325 



Stockard, C. — Cytology of Nectar-Glands of Vicia Faba 559 



Kraskovits, G. — Cell-division in CEdogonium 684 



Gessard, C, & T. Zellner — Chemistry of Fungi 684 



Wulff, Thorild — Studies of Protoplasmic Continuity 685 



Structure and Development. 



Vegetative. 



Tillman, O. I. — Embryo Sac and Embryo of Cucumis sativus 186 



Tison, A. — Mechanism of the Fall of certain Terminal Buds 325 



Tieghem, Ph. van — Winged Stele in some Leguminosse 453 



Sa.rton, A. — Investigations on the Anatomy of Allied Plants 559 



Jeffrey, E. C, & M. A. Chrysler — Structure of Cretaceous Pine-wood 685 



Miyake —Spermalozoids of Cycas 685 



Reproductive. 



Campbell, D. H. — Studies on the Aracese 42 



Lopriore, G. — Microspores of Araucaria Bidwillii 42 



Martel. E. — Anatomy of the Flower of the Umbelliferse 325 



Schaffnit, E. — Anatomy of Seeds of Acantharex 326 



Molliard, M. — Nutrition of Plants in absence of Carbon Dioxide / 326 



Bernard, Noel — Symbiosis of Orchids and Fungi . . .. , 327 



Pollock, J. B. — Pollen- Grain of Picea excelsa 453 



Beer, R. — Development of the Pollen-Grain and Anther in Onogracese .. .. !'.. 454 



Physiology. 

 Nutrition and Growth. 



Reynolds, J. — Germination of Seeds of the Castor-Oil Plant 42 



Charpentier, P. G. — Formation of Oxalic Acid by Sterigmatocystis nigra .. .. 187 



Treboux, O. — Organic Acids as a Source of Carbon in Algae 187 



XJrsprdng, A. — Ascent of Sap 454 



Hall, A. D., & C. G. T. Morison — Function of Silica in the Nutrition of Cereals 455 



Jost, L. — Physiology of Germination of Pollen 455 



