VI 
Contents . 
No. LXXV, July, 1905. 
PAGE 
Campbell, D. H. — Studies on the Araceae. III. With Plates XIV-XVII .... 329 
Ridley, H. N. — On the Dispersal of Seeds by Wind 351 
Chandler, S. E. — On the Arrangement of the Vascular Strands in the ‘Seedlings’ of certain 
Leptosporangiate Ferns. With Plates XVIII-XX 365 
Lang, W. H. — On the Morphology of Cyathodium. With Plates XXI and XXII . .411 
Buller, A. H. R. — The Reactions of the Fruit-bodies of Lentinus lepideus, Fr., to External 
Stimuli. With Plates XXIII-XXV 427 
NOTES. 
Thompson, H. S. — On Phlomis lunarifolia, Sibth. et Smith, and some species confused 
with it 439 
Ewart, A. J. — The Resistance to Flow in Wood Vessels. With three Figures in the Text . 442 
Salmon, E. S.— On Endophytic Adaptation shown by Erysiphe Graminis, DC., under 
Cultural Conditions, (Abstract.) 444 
No. LXXVI, October, 1905. 
Mottier, D. M.—The Embryology of some Anomalous Dicotyledons. With Plates XXVI 
and XXVII 447 
Stevens, W. C. — Spore Formation in Botrychium virginianum. With Plates XXVIII-XXX . 465 
Tansley, A. G., and Lulham, Miss R. B. J. — A Study of the Vascular System of Matonia 
pectinata. With Plates XXXI-XXXIII, and five Figures in the Text . . . 475 
Andrews, F. M. — The Effect of Gases on Nuclear Division. With a Figure in the Text . 521 
Williams, J. Lloyd. — S tudies in the Dictyotaceae. III. The Periodicity of the Sexual Cells 
in Dictyota dichotoma. With six Diagrams in the Text . . . . . . 531 
Stopes, Miss Marie C.=— On the Double Nature of the Cycadean Integument . . . 561 
NOTES. 
Blackman, V. H., and Fraser, Miss H. C. I.— Fertilization in Sphaerotheca 
Pertz, Miss D. F. M.—The Position of Maximum Geotropic Stimulation 
567 
569 
