INDEX. 
A. ORIGINAL PAPERS AND NOTES. 
PAGE 
Bertrand, C. E. — On the Structure of the Stem of a Ribbed Sigil- 
laria. 607 
Biffen, R. H. — A Fat-Destroying Fungus. (With Plate XIX) . 363 
Boodle, L. A. On some Points in the Anatomy of the Ophioglosseae. 
(With Plate XX) 3 77 
Stem-Structure in Schizaeaceae, Gleicheniaceae, and Hymeno- 
phyllaceae .......... 624 
Bower, F. O. — Studies in the Morphology of Spore-producing Mem- 
bers : IV. Leptosporangiate Ferns . . . . .320 
Burkill, I. H. — On Pelargonium rapaceum, Jacq 181 
Campbell, D. H.— A peculiar Embryo-sac in Peperomia pellucida . 626 
Dale, Miss E. — Intumescences of Hibiscus vitifolius . . .622 
Darbishire, O. V. — On Actinococcus and Phyllophora. (With 
Plate XV, and seven Figures in the text) . . . . 253 
Darwin, F. — The Botanical Work of Darwin. (With Portrait) . ix 
On Geotropism and the Localization of the Sensitive Region. 
(With Plate XXIX) 567 
Dixon, H. H. — The Possible Function of the Nucleolus in Heredity 269 
Farmer, J. B., and Freeman, W. G. — On the Structure and Affinities 
of Helminthostachys zeylanica. (With Plates XXI-XXIII) 421 
Hanna, H. — The Plurilocular Sporangia of Petrospongium Berkeleyi. 
(With Figure) . . .461 
Harper, R. A. — Cell-Division in Sporangia and Asci. (With Plates 
XXIV-XXVI) 467 
Hartog, M. — The Alleged Fertilization in the Saprolegnieae . . 447 
Ito, T. — Sonic remarkable Marine Monocotyledons in Japan . . 464 
Rhizophoreae in Japan . . . . . . . .465 
Floating- Apparatus of the Leaves of Pistia Stratiotes, L. . . 466 
Lang, W. H. — The Prothallus of Lycopodium clavatum, L. (With 
Plates XVI and XVII) 279 
Macdougal, D. T. — Symbiotic Saprophytism. (With Plates I and II, 
and one Figure in the text) 1 
Mottier, D. M. — The Effect of Centrifugal Force upon the Cell. 
(With Plate XVIII) 325 
Newcombe, F. C. — Cellulose-Enzymes ...... 49 
Parkin, J. — Some Observations bearing on the Function of Latex . 620 
Pertz, Miss D. F. M. — On the Gravitation Stimulus in Relation to 
Position 620 
Salmon, E. S. — On the Genus Fissidens. (With Plates V-VII) , 103 
