CONTENTS. xvii 



BOTANY. 



GENERAL, 



Including- ttie Anatomy and Physiology of Seed Plants. 



Cytology, 

 Including- Cell-Contents. 



RoTHEBT, W. — Chromoplasts 75 



Bally, W. — Chromosomes in Triticum and ^g Hop < 7.t 



Tronule, a. — Nucleolus of Spirogyra and Chromosomes of Higher Plants .. .. 170 



McAvoT, B. — Reduction-division in Fuchsia 170 



Nawaschin, S., & W. Finn — Evolution of the Chalazogams 170 



DiGBY, L. — Cytology of Primula hewensis and Related Hybrids 296 



hiTABDiERE, R. BE— Chromosomes in Polypodium : .. 296 



MiJLLEB, H. A. G. — Nuclei in Plants 393 



Bally, W. — Number of Chromosomes in Triticum and JEgilops 39o 



Gates, R. R. — Tetraplo id Mutants and ChrowMsomes 498 



ScHURHOFF, P. N. — Pollen-grains of Hemerocallis 498 



Schmidt, E. W. — Nucleus of Sieve-tubes 499 



WissELiNGH, 0. VAN — Nucleus of Closterium 499 



Jordan, H. E. — Amitosis in Onion-root 590 



Lee, A. B. — Structure of tlie Chromosomes and Resting Nucleus 590 



Lop, Paul — Cytology of Micropylar Suckers of Veronica 590 



GuiLLiERMOND, A. — Formation of Starch and Plastids in Plants 591 



LowsoHiN, A. M. — Myelinformen and Chrondriosomes 591 



Structure and Development. 



Veg-etative. 



Hollendonner, F. — Histologic Differences between Biota and Thtija 75 



Rywosch, S. — Anatomy of Chlorophyll-tixsues 76 



TuNMANN, O. — Secretory Organs of Ferula 76 



HoLDEN, Ruth — Ray Tracheids in the Coniferales 171 



Hryniewieckt, B. — Anatomy of Stomata of Dicotyledons 171 



HoPKiNSON, A. D. — Structure of Tropical Wood 171 



Schramm, R. — Immature Leave>' of Woody Plants 172 



Gaume, R. — Germination., Development, and Anatomy of the Cistinese 172 



Dauphine, A. — Anatomical Evolution in Kalanchoe 173 



Armand, L. — Structure of Lobelia 173 



Jones, W. Ralph — Development of the Vascular Structure of Dianthera americana 173 



Hamet, R. — Anomalous Stem-structure 171, Rochea 174 



BoNNiER, G. & J. Friedi.l — Spiral Vessels and Growth in Length .. 297 



Cordemoy, H. J. DE — Structure of Tuberous MAastomaceas 297 



Flnk, G. — Mechanical Tissues of the I 'mbelliferae 297 



HhMENWAY, A. F. — Evolution of the Sieve-tube 393 



Starr, Anna M. — Comparative Anatomy of Dune Plants 394 



Dec. 17th, 1913 ^-c 



