CONTENTS 
PAGE 
Hill, A. W.— A Revision of the Geophilous Species of Peperomia, 
with some additional Notes on their Morphology and Seedling 
Structure. With Plate XV 139 
Farmer, J. Bretland, and Digby, L.— Studies in Apospory and 
Apogamy in Ferns. With Plates XVI-XX .... 161 
Lang, W. H. — On the Sporogonium of Notothylas. With Plate XXI 201 
Wigglesworth, Grace. — The Young Sporophytes of Lycopodium 
complanatum and Lycopodium clavatum. With Plate XXII and 
four Diagrams in the Text 21 1 
Fritsch, F. E. — The Subaerial and Freshwater Algal Flora of the 
Tropics. A Phytogeographical and Ecological Study . .235 
Stopes, M. C. — A Note on Wounded Calamites. With Plate XXIII 
and four Diagrams in the Text 277 
Lawson, A. A. — The Gametophytes and Embryo of the Cupressineae, 
with special reference to Libocedrus decurrens. With Plates 
XXIV-XXVI . 281 
NOTES. 
Oliver, F. W.— Note on the Palaeozoic Seeds, Trigonocarpus and 
Polylophospermum 303 
Beer, Rudolf. — The Supernumerary Pollen-grains of Fuchsia . 305 
Fraser, H. C. I. — Contributions to the Cytology of Humaria rutilans, 
Fr. 307 
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