XXIV 
CONTENTS. 
PAGE 
Schrodt, J . — Air in the Ripe Annulus-Cells of Fern-Sporanges 304 
Lignier, O . — Folded Tissue in Isoetes 414 
Lang, W. H . — Apogamy and Development of Sporanges on Fern Prothallia .. .. 415 
„ „ Prothallium of Lycopodium clavatum 623 
Bower, F. O . — Leptosporangiate Ferns 624 
Stansfield, F. W . — Production of Apospory in Athyrium filix-femina var. unco- 
glomeratum 625 
Parmentier, P . — Leaves of Ferns 625 
Seward, A. C . — Matonia 625 
Heinricher, E . — Rejuvenescence of the Adventitious Buds of Cystopteris hulbifera 625 
Jeffreys, E. C. — Development , Structure , and Affinities of Equisetum 625 
Muscineae. 
Brizi, U . — Cyathophorum pennatum 58 
Kamerling, Z . — Elaters of Hepaticx 59 
Heald, F. De Forest — Regeneration in Mosses 185 
Lammermayr, L . — Internal Projections in the Rhizoids of Marchantiacese .. .. 185 
Jonsson, B . — Direction of Growth of Mosses 304 
Jonnson, B., & E. Olin — Oil in Mosses 305 
Kindberg, N. C . — Classification of Pleurocarpic Mosses 305 
Braithwaite’s British Moss-Flora 305 
Rabenhorst’s Cryptogamic Flora of Germany ( Musci ) 306 
Cardot, J . — Classification of Leucobryacese 415 
Salmon, E. S. — Nanomitrium 415 
Fleischer, M . — Fructification of Ephemeropsis tjibodensis 416 
Muller, C., & E. Besoherelle — New Genera of Mosses 416 
Britton, E. G . — New Fossil Moss 416 
Howe, M. A . — Tubers in the Hepaticx 416 
Luhne, V . — Sporogone of Anthoceros 417 
Goebel, K . — Dehiscence of the Antherid in Muscineae 511 
True, R. H . — Sporophyie of Funaria and Mnium 51 1 
Salmon, E. S . — Leaf of Fissidens 512 
Andreas, J . — Sporogone of Hepaticae 512 
Solms-Laubach, Graf zu — Cleveideae 512 
Schiffner, Y. — Wettsteinia, a new Genus of Hepaticae 512 
Correns, C . — Apical Growth, Phyllotaxis , and Origin of the Branches in Mosses . . 626 
Roth, G . — Classification of Hypnaceae 626 
Characeae. 
Debski, B — Cell- and Nuclear Division in Chora 185 
Hormann,.G . — Protoplasmic Currents in the Characeae 186 
Goetz, G . — Development of the Oogone in the Characeae = > . . 417 
Algae. 
Chodat R. — Perforating Algae 59 
Oltmanns, F. — Development of the Florideae 59 
Barton, Ethel S. — Structure and Development of Soranthera 60 
Lemmermann, E. — Phaeoschizochlamys, a new Genus of Phaeophyceae 60 
Barton, Ethel S. — Fructification of Chnoospora 61 
Lewis, F. J. — Action of Light on Mesocarpus 61 
Mitrophanow, P. — Structure of Diatoms 61 
Kuster, E. — Structure of Codiaceae 61 
Bosse, A. Weber Yan — Caulerpa 62 
Kofoid, C. A. — Pleodorina illinoisensis 62 
Dangeard, P. A. — Chlamydomonadineae 62 
Lemmermann, E. — New Genera of Plankton- Algae 186 
Wisselingh, C. van — Nucleole and Karyokinesis in Spirogyra 136 
Benecke, W. — Breaking-up of the Filaments of the Conjugatae 187 
Nelson, E. M. — Diatom Structure 187 
Keeley, F. J. — Silicious Valve of Diatoms 188 
