Index. 
PAGE 
viii 
Massee, G. — A Monograph of the Geoglosseae. (With Plates XII 
and XIII) 225 
Phillips, R. W. — On the Development of the Cystocarp in Rhody- 
meniales. (With Plates XVII and XVIII) .... 347 
Richards, H. M. — The Evolution of Heat by Wounded Plants. (With 
Woodcuts 1 and 2) 29 
Sargant, E. — The Formation of the Sexual Nuclei in Lilium Martagon : 
II, Spermatogenesis. (With Plates X and XI) . . . 187 
Scott, D. H. 
On Cheirostrobus, a New Type of Fossil Cone from the Calciferous 
Sandstones 168 
On two new instances of Spinous Roots. (With Plates XV 
and XVI) 327 
The Anatomical Characters presented by the Peduncle of Cyca- 
daceae. (With Plates XX and XXI) 399 
On Spencerites, a new Genus of Lycopodiaceous Cones from the 
Coal-measures . . . . . . . . 590 
Seward, A. C. — A Contribution to our Knowledge of Lyginodendron. 
(With Plates V and VI) 65 
Thiselton-Dyer, W. T. — Note on the Discovery of Mycorhiza . 175 
Biographical Sketch of M. J. Berkeley. (With Portrait) . . ix 
Townsend, C. O. — The Correlation of Growth under the Influence of 
Injuries 509 
Vines, S. H. — The Proteolytic Enzyme of Nepenthes . . . . 563 
Ward, H. M. 
On Peziza Aurantia ......... 339 
On the Ginger-Beer Plant . . . . . . . .341 
Williams, J. L. — The Antherozoids of Dictyota and Taonia. (With 
Plate XXV) 545 
B. LIST OF ILLUSTRATIONS. 
a. Plates. 
Portrait of M. J. Berkeley (Frontispiece). 
I, II, III, IV. Structure and Development of Grinnellia americana (BRANNON). 
V, VI. Lyginodendron (Seward). 
VII, VIII. Urophlyctis (Magnus). 
IX. The Leaf of Selaginella (Harvey Gibson). 
X, XI. Spermatogenesis of Lilium Martagon (Sargant). 
XII, XIII. Monograph of the Geoglosseae (Massee). 
XIV. Polystely in the Genus Primula (Gwynne- Vaughan). 
XV, XVI. Spinous Roots (Scott). 
XVII, XVIII. Development of Cystocarp in Rhodymeniales (Phillips). 
XIX. Obolaria virginica (Holm). 
XX, XXI. Peduncle of Cycadaceae (Scott). 
XXII. Microsporangia of Stangeria paradoxa (Lang). 
XXIII, XXIV. Structure of Hybrid Fern (Farmer). 
XXV. Antherozoids of Dictyota and Taonia (Williams). 
b. Woodcuts. 
1, 2. Evolution of Heat by Wounded Plants (Richards). 
3, 4, 5. Physiological Properties of a Myxomycete Plasmodium (Clifford). 
6. Obolaria virginica (Holm). 
7. Leaves of Lathraea Squamaria and other Scrophulariaceae (Groom). 
8, 9, 10, 11. Movement of Protoplasm in Coenocytic Hyphae (Arthur). 
12. Structure of Codium (Dixon). 
