XXIV CONTENTS. 



PAGE 



Black, C. A. — Imbedded Antheridia in Dry opteris and Nephrodium 50 



Campbell, D. H. — ProOiaUium and Embryo of Danxa 50 



Arnoldi, W. — Germination of Salvinia natans ."'1 



Benedict, It. C. — BotrycMum ternatum and its Allies .. 51 



Heuter, W. — New Species of Lyeopodium 51 



Underwood, L. M., & others — North American Fern-flora .. 51 



Poyser, W. A . & others— North American Ferns 51 



1>Oldingh, I. — Ferns of the Dutch West Indies 51 



Rosenstock, E. — Spruce's South American Ferns 52 



Wildeman, E. De. — Ferns of the Congo 52 



Pikotta, R. — Ferns of Ruwenzori 53 



Christ, H. — Ferns of the Far East 53 



„ New Species of Malesian and Philippine Ferns 53 



Chrysler, 31. A. — Fertile Spike of the Ophioglossacem 186 



Sinnott, E. YV. — Foliar Gaps in the Osmundacese 186 



Yamanouchi, S. — Chromosomes in Osmunda .. .. 187 



Georgevitch, P. — Apospory and Ajiogamy in Trichomanes 187 



Boubier, M.—Stegmata in the Hymenophyllacex 187 



Mitchell, G. — Strobilus of Selaginella 187 



Brtjchmann, H. — Selaginella Preissiana 188 



Shattuck, Ch. — Origin of Heterospory in Marsilia 188 



Perrin, G. — Fertilisation of Fern-prothallia 189 



Farmer, J. B., & L. Digby — Cytology of Varietal and Hybrid Ferns 189 



Fischer, H. — Aspidium remotum Al. Br 190 



Leveille, H. — New French Ferns 190 



Gulia, G. — Pteridophyta of Malta 190 



Maxon, W. R. — Studies of Tropical American Ferns 190 



Christensen, C. — American Species of Dryopteris 191 



Copeland, E. B. — Ferns of the Philippines 191 



Chbist, H. — Ferns of Costa Rica 191 



„ .. Fern* of New Guinea 191 



Takeda, H. — Japanese Lycopodi ales 191 



Makino, T. — Japanese Ferns 192 



Cambier, R., & A. Renier — Structure and Position of Pinahodendron 192 



Zalessky, M. D. — New Fossil Dadoxylon 192 



Porter — Aloys Sodiro 192 



Twiss, E. M. — Prothallia of Aneimia and Lygodium 337 



Wuist, E. D. — Monoecious Prothallia in Onoclea 338 



Benedict, R. C. — Peculiar Habitat for Camptosorus 338 



Schaffner, J. H. — Interesting BotrycMum Habitat 338 



Ulbrich, E. — New Variety of the Common Ophioghssum 338 



Kummekle, J. B. — New Species of Ceterach 339 



Lojacoko-Pojero, M. — Italian Ferns 339 



Nash, G. V. — Ferns of New York Botanical Garden :;39 



( i,i te, W. N., & OTHEUS — North American Fern* 339 



Schaffner, J. H. — Pteridophytes of Ohio 340 



Christ, H. — Ferns of Costa Rica 340 



„ Ferns of Corea ami China 340 



Wernham, H. F.— Morphology of Phylloglossum 468 



Stiles, W. — Structure of Psilotum flaccidum 469 



Bower, V. O. — Phytogeny of the Filicales. I. l'lagiogyria 469 



Stephens, E. L., & M. G. Sykes — Apogamy in Pteris droogmantiana 47o 



IIeilbron, A. — Apogamy. Hybridisation, and Heredity in certain Ferns 470 



Hoyt, YV. D. — Fertilisation and Hybridisation in Ferns J To 



Blosson, M. — Dryopteris Hybrids in North America 171 



Lammeumayr, L. — Orientation of BotrycMum Lunaria 171 



Kidston, R. — Zygopteris Grayi 471 



CuFINO, L. — East African Ferns 171 



Campbell, D. H. — Development of Angiopteris and Kaulfussia 594 



Krasser, F. — Fossil Marattiacese • .. 595 



Kidstone, It.. & D. T. G wynne- Vapghan — F ossil Osmundacex 595 



Faull, J. H. — Stele of Osmunda cinnamomea 595 



