XX CONTENTS. 



CRYPTOGAMS. 



Pteridophyta. 



PAU B 



Sharp, L. W. — Spermatogenesis in Manilla 48 



Borrell, W. H. — Azolla filiouloides 4!t 



Chkistensen, C. — Dryopteris 50 



Watts, W. W. — Ferns of Lord Howt Island 50 



Petry. L. C. — Opln'or/lossum pendulum .. .. , 158 



Woynar, H. — Position of Buds in Botrychium 158 



Black, Caroline A. — Branched Cells in Prothallium of Onoclea 159 



Nishida, S. — Water-glands in Equisetum 159 



Orr, M. Y.— Distribution of Pihdaria 159 



Campbell, D. H. — Structure and Affinities of Macroglossum Alidse 272 



Marsh, A. S. — Anatomy of Cheilanthes and Pellsea 273 



Lang, W. H. — Anatomy of Helminthostachys 273 



Allison, Harriet E. — Bhizome of PI aty cerium 274 



Lang, W, H. — Morphology of Isoetes 274 



Bancroft, N. — Vegetative Beproduction in Selaginella 274 



Steil, W. N. — Apogamy in Nephrodium hirtipes 275 



Menezes, C. A. de — Ferns of Madeira .. 275 



Copeland, E. B., & others— Hawaiian Ferns 275 



Petry. L. C. — Branching in the Ophioglossaceze 382 



Maxon, W. R. — Polypodium marginellum and its Allies 383 



Takeda, H.— Asiatic Species of Polypodium .. 383 



Maxon. \V. R.— Ferns of the Andes 384 



Lindsey, Marjorie — Branching and Branch-shedding of Bothrodendron .. .. 491 



Jossa, M. — Vascular Development in Osmundacex and Gleicheniaeex 492 



Browne, Isabel MP. — Anatomy of Cone of Equisetum 492 



Borkowski, E. — Anatomy of Soidh American Ferns 493 



Hayata, B. — Pteridophyta of Formosa 4'.»3 



West, C. — Secretory Tissues of Marattiaceas 592 



Vouk, V. — Phyllitis hybrid a .. 593 



Bokaparte, Eoland — Pteridophyta of New Caledonia 593 



Bryophyta. 



McCormick, Florence A. — Morphology and Development of Symphyogyna .. .. 5o 



Howe, M. A. — Oxymitra in North America 51 



Husnot, T. — Marsupella 51 



Trabut, L. — Bryum tophaceum 51 



Caudot, J. — Bylocomiopsis 52 



CoRBiEi.E, L. — Hypnum lusitanicum in Finistn-e 52 



Amann, J. — FilicoloHs Hypoterygium 52 



Culmann, P. — Orthotrichum tomentosum 52 



Corbiere, L. — Bryophyies of Morocco 52 



Evans, A. W. — North American Hepaticx 53 



Cardot, J. — Mexican Mosses 53 



