VI. 
Page 
Pair (see Allelomorphic). 
Peridinere of Sutton Park, Warwickshire, A Biological 
Investigation of the (Text-figs. 20-26)—G. S. West 181 
Phycoerythrin, the Red Pigment of Deep-Water Algae, 
Observations on (Plate 5)—E. K. Hanson ... ... 337 
Phylogeny (see Archegoniatae, Pteridophyta). 
Physiology :— 
(See Foliage Leaves, Phycoerythrin, Seeds, Vegetation 
and Frost). 
Plant-life (see Sandy-Sea-Shores). 
Plants (see Ecology). 
Polyporus squamosus, Huds., Notes on (Text-fig. 44)—F. T. 
Brooks ... ... ... ... ... ... ... 348 
Pteridophyta, The Phylogeny and Inter-relationships of 
the, A Critical Resume—The Lady Isabel Browne. 
VI.—Filicales, continued... ... ... ... 13 
VII.—The Inter-relationships of the Phyla ... 51 
Recent Literature, Notes on :—- 
(See Archegoniatae, Basidiomycetes, British Local 
Floras, Chromosomes, Clepsydropsis, Cytological 
Problems, Cytology, Embryo-sac, Foliage Leaves, 
Fungi, Longevity, Meiosis, Seeds, Temperature 
Relations, Uredineae, Vitality). 
Reviews :— 
German Vegetation (Graebner’s Die Pflanzen- 
welt Deutschlands).—A. G. T(ansley) ... ... 373 
The Oecology of Plants (Warming)—A. G. T(ansley) 218 
Sandy Sea-Shores, Hydrodynamic Factors influencing 
Plant-Life on—Pehr Olsson-Seffer... ... ... 37 
Saxegotlicea conspicua, Lindl., Supplementary Note on the 
Anatomy of—W. Stiles ...' ... ... ... 145 
Seaweeds on the Sea-shore, On the Causes of the Zoning 
of Brown (Text-figs. 27-30)—Sarah M. Baker ... 196 
Seeds, The Longevity and Vitality of [Notes on Recent 
Literature]—F. F. B(lackman) ... ... ... 30 
Seeds of the Gorse and the Broom, The Dispersal of, 
by Ants (Text-figs. 1 and 2)—F. E. Weiss ... ... 81 
Sexual Characters, The Mendelian Inheritance of [Recent 
Advances in the Study of Heredity]—Lecture VI. 
—A. D. Darbishire ... ... ... ... ... 326 
Somerset (see Woodlands). 
Sporophyll of Lycopodium inundatum , Note on the (Text- 
figs. 18 and 19)—M. G. Sykes ... ... ... 143 
Stachys sylvatica, On an Abnormal Gynceceum in (Text- 
figs. 16 and 17)—A. W. Bartlett 
138 
