VI 
Contents . 
Escombe, F. — Chemistry of Lichenic and Fungal Membranes 
Ewart, A. J.— Diaheliotropism of Radial Members . 
No. XXXIX, September, 1896. 
Wager, H. — On the Structure and Reproduction of Cystopus candidus, 
Lev. (With Plates XV and XVI) 
Burt, E. A. — The Development of Mutinus caninus (Huds.), Fr. 
(With Plates XVII and XVIII) 
MacDougal, D. T. — The Mechanism of Curvature of Tendrils. (With 
Plate XIX) 
Osterhout, W. J. V. — On the Life-history of Rhabdonia tenera, J. Ag. 
(With Plates XX and XXI) . 
Vines, S. H. — The Suction-force of Transpiring Branches. (With 
Woodcut 1) ......... 
Sargant, E. — The Formation of the Sexual Nuclei in Lilium Martagon. 
(With Plates XXII and XXIII) 
NOTE. 
Farmer, J. B. — On Fertilization, and the Segmentation of the Spore 
in Fucus .......... 
No. XL, December, 1896. 
Campbell, D. H. — The Development of Geothallus tuberosus, Camp- 
bell. (With Plates XXIV and XXV) 
Pieters, A. J. — The Influence of Fruit-bearing on the Development 
of Mechanical Tissue in some Fruit-Trees .... 
Richards, H. M. — The Respiration of Wounded Plants. (With 
Woodcuts 2 and 3) ....... 
Went, F. A. F. C. — Notes on Sugar-Cane Diseases. (With Plate XXVI) 
Worsdell, W. C. — The Anatomy of the Stem of Macrozamia com- 
pared with that of other Genera of Cycadeae. (With Plates 
XXVII and XXVIII) 
NOTES. 
Druce, G. C. 
The Occurrence of a Hybrid Gentian in Britain .... 
The Hybrids of Linaria repens and L. vulgaris in Britain 
Gwynn e-Vaughan, D. T. — The Arrangement of the Vascular Bundles 
in certain Nymphaeaceae ....... 
Huie, L. H. — Changes in the Tentacle of Drosera rotundifolia, pro- 
duced by feeding with Egg-albumen ...... 
Seward, A. C. — A new Cycad from the Isle of Portland . 
Keeble, F. W. — Observations on the Loranthaceae of Ceylon . 
Trail, J. W. H. — Preliminary Notes on Floral Deviations in some 
Species of Polygonum 
Report of a Discussion on the Ascent of Water in Trees, held in 
Section K at the Meeting of the British Association in 
Liverpool, September 18, 1896 ...... 
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