XVlii CONTENTS. 



BOTANY. 



GENERAL, 

 Including- the Anatomy and Physiology of Seed Plants. 



I'AGE 



Mottier, D. M., & M. Nothnagel — Chromosomes of Allium 51 



Samuels, J. A. — Relation between the Nucleus and Crystal-formation 51 



Iwanowski, D. — Function of Yellow Pigment in Chlorophyll 179 



Gates, R. R., & N. Thomas— Cytology of Oenothera in Relation to Mutation .. 3f>l 



Lewitsky, G. — Chondriosomes in Fungi '51 



Scherrer, A. — Chroma tophores and Chondriosomes of Anthoceros 551 



Guilliermond, A. — Mitochondrias and their Transformation into Plastids .. .. 552 



Lowsohin, A. M. — Mitochondrias of Higher Plants 552 



Richter, E. — Statolith-theory 553 



Obekstein, O. — Tannin-idioblasts in Mese-mbrianthemum 553 



Structure and Development. 



Veg-etative and Reproductive. 



Vouk, V. — Movements of Plasmodia 52 



Mager, H. — Cutinization of Roots 52 



Tiegs, E. — Root-cap of the Leguminosse 52 



Schoute, J. C. — Secondary Growth in Palms 53 



Pickett, F. L. — Embryology of Arissema -. •• 54 



Donati, G. — Embryology of the Euphorbiacese 54 



Perotti, R.— Embi yology of the Dianthacess 54 



Baar, H . — Anatomy and Germination of Heteromorphou* Seeds 54 



Moreau, L. — Anatomy of Tubers of Tropical Orchids and other Plants 179 



Brockmann-Jerosch, H. — Structure of Leaf-sheaths of Grasses 179 



Fccsko, M. — Fruit-wall of the Papilionarese 180 



Ernst, A. — Embryo-formation in Balanophora J 80 



Brick, E. — Anatomy of Bud-xcale* 270 



Schips, M. — Dehiscence of Anthers 270 



Lkbard, P. — Opening of Achenes in the Liguliflorse 271 



^'ienzieheu, S. — Development of Xyr is 271 



Schlosb, H. — Morphology and Anatomy of Hyilrostachys 272 



Soueges. R. — Embryogeny of the Cruciferse . . 460 



Renner, O. — Fertilization and Embryology in Oenothera 460 



Zaepfel, 10. — Distribution of Stomata in Graminese .. .. 461 



Arber, A. — Amilosis in Root- development of Stratiotes 461 



^IcLean, 11. C. — Amitosis in Parenchyma of Water-plant* 46'^ 



Guilliermond, A. — Evolution and Physiology of Mitochondria 462 



Neeff, F. — Cell-arrangement 554 



Li ndegardh, H. — Growth of Root-tip 555 



Koketsu, K. — Lactiferous Vessels and Cells ">55 



Holden, R. — Anatomy of Mesozoic Conifers 556 



Martin, J. X. — Morphology of the Leguminosse 556 



McAiiisTiat, F. — Embryo-sac of the Convallariacese 557 



Tournois, J. — Sexuality of Humulus 557 



Roy ale, V. — Projection of Seeds of Oxalis ">58 



