CONTENTS. XX11I 



CRYPTOGAMS. 



Pteridophyta. 



PA OK 



Shull, G. H.— Isoetes 79 



Jakowatz, .A — Investigations on Fern-prothallia 80 



Lindman, C. A. M. — Tropical American Ferns 80 



„ „ Trichomanes (sect. Didymoglossurri) 80 



Christ, V. H. — Asplenium Ruta-muraria 81 



Underwood, L. M. — Li missus's System of Ferns 81 



Bibliography 81 



Tansley, A. G., & E. B. Lclham— Vascular System of the Rhizome and Leaf-trace 



of Pteris Aquilina and P. incisa 201 



Scott, D. H. — Germinating Spores in a Fossil Fern 202 



Lyon, F. M. — Two Megasporangia in Selaginella 202 



Underwood, L. M. — Ferns of the Philippines 202 



Gilbert, B. D. — American Ferns 203 



Bibliography 203 



Chauveaud, G. — Development of Vascular Cryptogams 322 



Campbell, D. H. — Antithetic versus Homologous Alternation 323 



Parish, S. li.— Californium, Ferns 323 



Bibliography 324 



Boodle, L. A. — Structure of Leaves of the Bracken Fern in Relation to Environment 429 



Bibliography 430 



Ott, E. — Anatomical Structure of Hymenophyllacex 549 



Bibliography 550 



Bibliography 672 



Bryophyta. 



Keid, C. — Fossil British Mosses 81 



Best, G. N. — North American Species of Leskea 81 



Begcinot, A. — Bryology of the Tuscan Archipelago 82 



Levier, E. — European Mosses in the Himalayas 82 



Britton, E. G., & others — North American Mosses 82 



Dosen, P. — South American Mosses 83 



Lampa, E. — Germination of Liver-worts 83 



Porsild, M. P. — Development of Riella 83 



Cavers, F. — Riella capensis, sp. n. 84 



„ Petalophyllum Ralfsii S4 



Howe, M. A. — Yukon Hepatics 85 



Bibliography 85 



Fleischer, M. — Mosses of Java 204 



Hansen, A. — Danish Species of Amblystegium 204 



Miller, M. F., & others — American Mosses 204 



Cardot, J. — Leucobryacese of the East African Islands 205 



Garjeanne, A. J. M. — Oil-bodies in the Jung ermanni ales 205 



Cavers, F. — Explosive Discharge of Antherozoids in Hepaticse 205 



Lampa, E. — Exogenous Antheridia in Anthoceros 205 



Lohmann, C E. J. — Chemistry and Biology of Hepatics 206 



Coker, W. C. — Structure of some North American Hepatics 206 



Evans, A. W. — Odontoschisma in North America 206 



„ „ Hepaticse of Puerto Rico 207 



Cavers, Y.— Pallavicinia Flotowiana 207 



„ „ Fegatella conica 207 



Ewing, P. — British Hepaticse 208 



Macvicar, S. M. — Census of Scottish Hepaticse 208 



McArdle, D. — Irish Hepaticse 208 



Bibliography 209 



Holperty, G. M. — Origin of Moss- Archegonium 326 



Schiffner, V. — Critical Notes on Muscinese 326 



