IV. 
• 
^X<r 
c 
Higher Uredineae, The Evolution of the (2 Text-figs.)— 
W. B. Grove ... ... ... ... ... 89 
Hindhead Common, The Heath Association on (Plate V. 
and 4 Text-figs.)—F. E. Fritsch and Winifred 
M. Parker ... ... ... ... ... ... 148 
Hortus flutninensis: the Botanical Gardens of Rio de 
Janeiro—R. C. McLean ... ... ... ... 339 
Humidity, The Coefficient of: A New Method of 
Expressing the Soil Moisture (1 Text-fig.)— 
W. B. Crump ... ..V ... ... ... 125 
International Phytogeographic Excursion in America 
(I.P.E.) 1913—Tansley, A. G. ... ... ... 322 
Japan, The Vegetation of—H. Takeda ... ... ... 37 
Laboratory Notes :— 
I—E. de Fraine. A Method of Double- 
Staining Microtomed Sections in the Ribbon 123 
II—F. E. Fritsch and E. J. Salisbury. Some 
Simple Physiological Demonstrations ... 191 
Lycopodium. A Colonial Contribution to our knowledge 
of [Review]—I. M. P. Browne ... ... ... 222 
Meiosis, Nuclear Osmosis and—J. Bretland Farmer ... 22 
Microtomed Sections in the Ribbon, A Method of Double- 
Staining [Laboratory Note]-—E. de Fraine ... 123 
Mutations (see QEnothera). 
Nuclear Osmosis and Meiosis—J. Bretland Farmer ... 22 
Oak, Some Observations on Wouud Healing in a Species 
of (Plate II and 3 Text-figs.)—A. V. Duthie ... 7 
Observations on Wound Healing in a Species of Oak, 
Some (Plate II and 3 Text-figs.)—A. V. Duthie 7 
Oenothera Lamarckiaua, The Problem of the Origin of 
(1 Text-fig.)—B. M. Davis . 233 
CEuothera Mutations, Recent Papers on—R. Ruggles 
Gates ... ... ... ... ... ... 290 
Osmosis and Meiosis, Nuclear—J. Bretland Farmer ... 22 
Osmotic Pressures, On Various Methods for Determining 
(2 Text-figs.)—A. C. Halket . 164 
Peridiniales and their Relationships, The (see Flagellata). 
Petiolar Structure, The Determining Factors in—E. J. 
Salisbury ... ... ... ... ... ... 281 
Phenomena and Problems of Self-Sterility—R. H. 
Compton ... ... ... ... ... ... 197 
