V. 
Illumination and Vegetation. (Notes on Recent Physio- Paj»e 
logical Literature, II.)—F. F. Blackman ... ... 270 
Irritability (see Movement). 
Leaf-Trace, A Theory of the Double, founded on Seedling 
Structure (Text-Figs. 1-4).—E. N. Thomas ... 77 
Lectures (see Physiology of Movement, and Filicinean 
Vascular System). 
Leicester, The Meeting of the British Association at ... 213 
Leptospermum scoparium, On the Sudden Appearance of a 
New Character in an Individual of—L. Cockayne 43 
Lichtgenuss der Pflanzen (see Illumination and Vegetation) 
Light, the Sense Organs for Gravity and ... ... ... 69 
Lindsayeae ... ... ... ... ... ... ... 142 
Localisation of Perception, The ... ... ... ... 35 
Mangrove Seedlings, On the Assimilatory Tissue of (Text- 
figs. 8-10)—Madeline Carson... ... ... ... 178 
Meetings :— 
Association of Economic Biologists ... ... ... 23 
British Association at Leicester ... ... . 213 
Central Committee on British Vegetation ... ... 103 
Movement in Plants, Lectures on the Physiology of—F. 
Darwin :— 
III. —The Analysis of Geotropism (one figure) 10 
IV. —The Localisation of Perception (one figure) 35 
V. —The Sense Organs for Gravity and Light 69 
VI. —Diatropism (four figures) ... ... ... 120 
Mutation (see Leptospermum). 
Oogenesis and Embrogeny in Ephedra distackya (Plates II. 
and III.)—Ethel M. Berridge and Elizabeth Sunday 127, 167 
Ophioglossales... ... ... ... ... ... ... 265 
Osmundaceae ... ... >u ... ... ... ... 253 
Perception, The Localisation of ... ... ... 35 
Polycycly ... ... ... ... ... ... ... 193,219 
Principles of Botany, Two Books on the (Review) ... 107 
Pteridophyta ... ... ... ... ... ... ... 25 
Physiological Literature, Notes on Recent, II., see Illumi¬ 
nation. 
Physiology of Movement in Plants, Lectures on the (see 
Movement). 
