V. 
Male Gametes in the Pines and Allied Conifers, On the Page 
Meaning of the Various Forms of the—E M. 
Cutting ... ... ,.. ... ... ... ... 171 
Morphology of the Sporangium-Bearing Organs of the 
Lycopodiaceae (Plates II. and III. and Text-figs. 
3-8)—M. G. Sykes ... ... ... ... ... 41 
Myxomycetes, Nuclear Fusions and Reduction Phenomena 
in the—F.T.B. ... ... ... ... ... ... 82 
Neglected Branch of Botany, A Contribution to a—A. C. 
Seward ... ... ... ... ... ... ... 83 
Nuclear Fusions and Reduction Phenomena in the Myxo¬ 
mycetes—F.T.B. ... ... ... ... ... 82 
Osmotic Properties of the Root Hairs of Certain Salt 
Marsh Plants, Observations on the (Four Tables 
and Text-figs. 21-24)—T. G. Hill . 133 
Phylogeny and Inter-Relationships of the Pteridophyta, 
The—Lady Isabel Browne :—- 
I. — Sphenophyllales ... ... ... ... 93 
II. —Equisetales ... ... ... ... 103 
III. —Lycopodiales: 
Lepidodendraceae ... ... ... • ■ 150 
Isoetaceae ... ... ... ... ... 160 
IV. —Lycopodiales ( continued) : 
Selaginellaceae ... ... ... 181 
Lycopodiaceae ... ... ... ... 186 
V. —Filicales . 230 
Plant Physiology and Ecology (Clements) (Review)—C. E. 
Moss ... ... ... ... ... ... ... 176 
Pleurotus subpalmatus, Chlamydospore-Formation in the 
Basidiomycete (Plate I., Text-fig. 1)—D. C. E. 
Marryat... .. ... ... ... ... ... 17 
Pteridophyta, The Sporangiophore—A Unit of Structure 
in the (Text-figs. 25, 26)—M. Benson ... ... 143 
Pteridophyta (see Phylogeny). 
Reduction Phenomena in the Myxomycetes, Nuclear 
Fusions and (Review)—F. T. B(rooks) ... ... 82 
Reviews : — 
Professor Bower on the Theory of the Antithetic 
Alternation of Generations—A.G.T. ... ... 117 
Recently Published Catalogues of British Plants 
—C. E. Moss . 129 
Plant Physiology and Ecology (Clements)—C. E. Moss 176 
Nuclear Fusions and Reduction Phenomena in the 
Myxomycetes—F. T. B(rooks) ... ... ... 82 
