CONTENTS. XIX 



BOTANY. 



GENERAL, 

 Including' the Anatomy and Physiology of Seed Plants. 



Cytology, 

 Including- Cell-contents. 



PAGE 



East, E. M. — Chromosomes and Heredity 589 



Structure and Development. 



Vegetative. 



Breakwell, E. — Leaf-anatomy of Andropogon 46 



Hamilton, A. G. — Xerophilous Characters of Hahea 16 



Trulzsch, O. — Dorsiventrality in Ficus 1-Y7 



Hall, C. — Evolution of Eucalyptus 269 



Brown, H. P. — Growth-studies in White or Weymouth Pine {Pinus strobus) .. .. 269 



I.rown, F. B. H. — Bay-pits of Conifers 589 



Reproductive. 



Schips, M. — Mechanism of Anther-dehiscence 47 



Crocker, W., & W. E. Davis — Delayed Germination of Alisma 47 



Harris, J. A. — Ovules and Seeds of Cercis 158 



Lloyd, F. E. — Absorption in Ovules of Scrophularia 381 



MacDougal, D. T.— Alterations induced by Treatment of Ovary 3S1 



Thomas, H. H. — Male Flower of Williamsonia 590 



Tokugawa, Y. — Physiology of Pollen 591 



Sirks, M. J. — Nature of Peloria 591 



Vegetative and Reproductive. 

 Gcignard, M. — Pollen-formation 191 



General. 



Magnus, V? —Plant-Relationships 271 



Thomas, F. A. W. — " Llizabeth-Linnseus Phenomenon" 382 



Gates, R. R.— Modification by Crossing 592 



b2 



