CONTEXTS. XXU1 



FAG2 



Underwood, L. M., & W. K. Maxok — New Species of Lindsxa 337 



Christ, H. — Ferns of Paraguay 337 



Maxon. W. R. — Tropical American Ferns 467 



Copeland, E. B., & others — Philippine Ferns 467 



Campbell, D. H. — Symbiosis in Fern ProthaUia 468 



Dowell, P. — North American Fern-Hybrids of the Genus Dryopteris 468 



Arber. E. A. N., & H H. Thomas— Anatomy of Sigillaria 468 



Life, A. C. — Effect of Light upon Spore-germination 605 



Bower, F. O. — Ophioglossum simplex 605 



Boodle, L. A.— Production of Dwarf Male Prothalli in Sporangia of Todea.. .. 606 



Haushberger, J. W. — Water-storing Tubers of Nephrolepis 606 



Trundy, A. H., & others— North American Pteridophyta 606 



Hieronymus, G. — South American Fern* .. 6U7 



Rosenstock, E. — Descriptions of New Species of Ferns 607 



Druery, C. T. — Deciduous British Ferns 008 



Halle, T. G.— Fossil Pteridophyta 608 



Weiss, F. E. — Stigmaria with Centripetal Wood 608 



Barnhart, J. H., & W. N. Clute — Deceased North American Pteridologists . . .. 608 



Sykes, M. G. — Anatomy and ^Morphology of Tmesipteris 609 



Saxelby, E. M. — Origin of Roots in Lycopodium 609 



Bruchmann, H. — Types of Embryo- development 'in Selaginella 610 



Yamanouchi, S.— Cytology of Reproduction in Nephrodium 726 



Renier, A. — Origin of telodendron Impressions of Bothrodendron 726 



Bertrand, P. — Leaf -trace in Gijropteris and Tubicaulis 726 



Perrin, G. — Conditions affecting Prothalli of Polypodiacese 727 



Clute, W. N., & others — North American Ferns . • • • 727 



Benedict, R. C. — Some Fern Hybrids in North America 728 



„ ,, Ophioglossacese of the United States 728 



Benson, M. — Lycopod with a Seed-like Structure 729 



Sykes, M. G. — Sporangium-bearing Organs of the Lycopodiacese 729 



Pampamni, R. — Lycopodium squarrosum and its Allies 729 



Bryophyta. 



Marchal. El. & Em. — Apospory and Sexuality in Mosses 68 



Brothervs, V. F. — Classification of Families and Genera of Mosses 69 



Muella, K. — European Hepaticse 69 



Dixon, H. N. — Mossflora of Northumberland 69 



Sebille, R. — French Mosses 69 



Britton, E. G., & others — North American Mosses 69 



Luisier, A. — Mosses of Madeira 70 



Pitard & others — Muscinese of the Canary Islands 70 



Bryhn, N., & A. Hesselbo — Arctic Muscinese 70 



Sktchell. W. A. — Sphagna of Alaska 70 



Dusen, P. — Mosses of Antarctic America 71 



Luisier. A. — Portuguese Species of Fissidens 71 



Douin, C. — Genus Ephemerum 71 



„ Two Species of Sphxrocatpu< found in France 71 



Dismier. G. — Variable Peristome of Philonot is 71 



Burrell, W. H. — Peculiar Unattached Mode of Growth of Leucobryitm 72 



Horwood. A. R., & others — British Muscinese 197 



Stiuton, J. — New and Hare Scottish Mosses 197 



McArdle, D., & H. W. Lett — Irish Muscinese 197 



Haynes, C. C, & others — North American Muscinese 19S 



Dismier, G. — Parisian Species of Philonot is 198 



Warnstorf, C. — New Species of Sphagnum 198 



Herzog, Th. — Trichostomum mutabile Br. and its Allies 199 



Nicholson, W. E. — Muscinese of Crete 199 



Elenkin, A. A. — New Greenhouse Fissidens 199 



Gyorffy, I. — Hybrids of Physcomitrella 199 



Loeske, L. — Parallel Forms and Variability of Cell-length in Mosses 200 



Servit, M. — Ramification in Muscinem 200 



Ernst, A — Androgynous Infioresceuces in I Himortieni 201 



