XXVI CONTENTS. 



CRYPTOGAMS. 

 General. 



PAGE 



Goebel, K. — Homologies in the Development of Male and Female Sexual Organs .. 206 



Pteridophyta. 



Lyon, Florence M. — Sporange and Oophyte of Selaginella 76 



Lang, W. H. — Prothallus of Ophioglossum, Helminthostachys, and Psilolum .. .. 77 

 Berteand, C. E., & F. Cornaille — Fibrovascular Bundles in the Stem and Leaf of 



Filicinese 7S 



Burgenstein, A. — Germination of Fern-Spores 78 



Giesenhagen, K. — Niphobolus 71) 



Eenault, B. — Fossil Heterosporous Ferns 7'.» 



Boodle, L. A. — Anatomy of the Gleicheniacex 207 



Bertrand, C. E., & F. Cornaille — Fibrovascular Chains of Filicinese 207 



Arber, E. N. — The Type- Specimens of Lyginodendron Oldhamium 208 



Thomas, A. P. W. — Prothallium of Phylloglossum 208 



Lang, W. H. — Proihalli of Ophioglossum and Helminthostachys 327 



Underwood, L. M. — Classification of Ferns ■.. .. 32S 



Ford, S. O. — Anatomy of Ceratopteris thalicfroides 328 



Tansley, A. G., & E. B. Lulham — A New Type of Fern-stele 329 



Thomas, A. P. "W. — Alga-lihe Fern-prothallus ' .. 329 



„ „ Affinities of Tmesipteris 329 



Seward, A. C. — So-called Phloem of Lepidodendron 330 



Kaciborski, M. — Vegetative Propagation in Angiopteris evecta 459 



Steinbrinck, C. — Spore-casting Mechanism of Selaginella Sporangia 459 



Waters, C. E. — Analytical Key for the Fernn of the North-Fastern States, based 



on the Stipes 57S 



Britton, E. G. — Filmy Ferns of South America 578 



Hieronymus, G. — New Species of Selaginella 57S 



Renault, B. — Pollen and Male Prothallia from the Coal Measures 671 



Sellards, E. H. — Fossil American Ferns : Fertile Fronds of Crossotheca and 



Myriotheca 671 



Seward, A. C, & Elizabeth Dale — Structure and Affinities of Dipteris .. .. 672 



Christensen, C. — Danish Pteridophyta 672 



Christ, H. — Brazilian Ferns 672 



Slosson, M. — Hybrid Origin of Asplenium ebenoides 672 



G WYNNE- Vaughan, D. T. — Nature of the Stele of Equisetum 672 



Muscinese. 



Lorch, W. — Anatomy and Biology of Mosses 79 



Kindberg, N. C. — Hypopterygiacese 79 



Lang, VV. H. — Apospory in Anthocems 79 



Giesenhagen, K. — Leaf-Movements in Polylrichum 209 



Philibert, H. — Structure of the Peristome 209 



Jones & others — Mosses new to Britain .'. 209 



Limpricht, K. G. — Kabenliorst's Cryptogamic Flora of Germany (Musci) .. .. 210 



Stephani, F., & others — Lists and New Species 210 



Garjeanne, A. J. M. — Spore Distribution 330 



Palacky, J. — Geographical Distribution of Mosses 331 



Philibert, H. — Peristome of Mosses 331 



Monkemeyer, "VV., & F. Tobler — Abnormalities 331 



Macvicar, S. M., & others — Lists and New Species 331 



Hunter, J., & E. Armitage — Irish Mosses 459 



Braithwaite, E. — British Moss-Flora 459 



Howe, M. A. — Notes on American Hepaticse 459 



Nicholson, W. E. — Mosses of South- Western Switzerland 460 



Paris— Mosses of West Tropical Africa 460 



Pierce, G. J. — Forcible Discharge of Antherozoids in Asterella calif ornica .. .. 578 



