XX CONTENTS. 



Irritability. page 



Desroche, v. ^Action of Light on Chlamydomonas 63 



KOVESSI, F. — Influence of JJectricity on Plant-development 197 



Fitting, H. — Colour-changes in Flowers 322 



General. 



Brown, N. E. — Seeds as Microscopic Objects 197 



CRYPTOGAMS. 



Pteridophyta. 



Janchen, E. — Phylogeny of the Pteridophyta 64 



Seyd, W. — Ahsorption of Water in Selaginella 64 



HiCKLiNG, G. — Calamostachys Binneyana 64 



Uhristensen, C — Dryopteris and its sub-genera '. 64 



Benedict, R. C. — Anemia 65 



,, ,, Antrophyum 65 



Chbistensen, C. — Arctic Pteridophyta 65 



Kingman, C. C. & others — North American Ferns 65 



(hristensen, ('. — Eudryopteris in Tropical America 66 



Benedict, R. C. — Transvaal Ferns 66 



Christensen, C. — Neio Tropical Ferns 67 



LuDWiG, K. — Biology of Equisetum 197 



Thomas, H. H. — Leaves of ddamites 198 



Halle, T. G. — Fructifications of Jurassic Fern-leaves 198 



Thomas, H. H. — Spores of Jurassic Ferns 199 



Sohdster, J. — Osmundites 199 



„ ., Xylopsaronius 199 



Johnson, T. — Forbesia cancellata 199 



Land, W. J. G. — Protocorm of Ophioglossum 199 



H OLDEN, H. ii.—Opkioglossnm vulgatum 199 



MAXO^^W.U.—CyatheamnltiJloraR.Br 199 



Christ, H. — Psomiocar pa, a Neglected Genus "200 



Vergnes, L. DE — Botrychium at Chamonix 200 



Hariot, p. — Hymenophylluni in France '200 



Muller-Knatz, J. — Fern-fliira of Frankfort 200 



Hopkins, L. S., & others — North American Ferns 200 



Maxon, W. R. — Remarkable Panama Fern 202 



RosENSTOCK, E. — Bolivian Ferns 202 



Rosenburgh, V. R. W. K. van Alderwerelt van — Malayan Ferns 202 



HossEUS, 0. C. — Siamese Ferns 202 



B.osET'fSTOCK, 'E.— New Guinea Ferns 202 



Bower, F. O. — Medullation in Pteridophyta 323 



Bancroft, N. — Xylem Elements of Pteridophyta 323 



Chambers, H. S. — Vestigial Axillary Strands of Trichomanes 323 



Allinson, H. E. — Vascular Connexions of Sporocarp in Marsilia 324 



Bower, F. O. — Two Synthetic Genera of Filicales .. 324 



Hannig, E. — Perispore in the Filicinese 324 



Carpentieb, A. — Structure of Psaronius 325 



Zawidzki, .S. — Development of Salvinia nutans .. 325 



Christensen, C. — Classification of Dryopteris 413 



Datie, R. C. — Structure of Peranema anil Diacalpe 413 



Bower, F. O. — Lophosoria and Phylogeny of Filicales 413 



Hume, E. M. M. — Sieve-tubes of Pteridtum 414 



Bebtrand, P. — Anatomy of Palasozoic Ferns 534 



Scott, D. H. — Zygopteris Grayi 534 



Solms-Laubaoh, H. Graf zu — Roots of Psaronius 534 



Browne, I. M. P. — Cone and Fertile Stem of Equisetum 535 



HoLDEN, H. S. — Wound-reactions in Filicinex ^^5 



