r^O .54 L 
CONTENTS. 
No. LXXVII, January, 1906. 
PAGE 
Plowman, A. B.— The Comparative Anatomy and Phylogeny of the Cyperaceae. With 
Plates I and II and two Figures in the Text 1 
Blackman, V. H., and Fraser, Miss H. C. I.— Further Studies on the Sexuality of the 
Uredineae. With Plates III and IV ......... 35 
Buller, A. H. R. — The Enzymes of Polyporus squamosus, Huds 49 
Pond, R. H. — The Incapacity of the Date Endosperm for Self-digestion .... 61 
Ewart, A. J. — The Influence of Correlation upon the Size of Leaves. With two Figures in 
the Text 79 
Humphrey, H. B. — The Development of Fossombronia longiseta, Aust. With Plates V and 
VI and eight Figures in the Text 83 
NOTE. 
Scott, D. H., and Maslen, A. J. — On the Structure of Trigonocarpon olivaeforme . . 109 
No. LXXVIII, April, 1906. 
Vines, S. H. — The Proteases of Plants. IV 113 
Thiselton-Dyer, Sir W. T. — Morphological Notes. With Plates VII-IX . . .123 
Worsdell, W. C. — The Structure and Origin of the Cycadaceae. With seventeen Figures in 
the Text 129 
Hill, T. G. — On the Seedling Structure of certain Piperales. With Plate X and three 
Diagrams in the Text 161 
Beer, Rudolf.— O n the Development of the Spores of Helminthostachys zeylanica. With 
Plates XI and XII 177 
Salmon, E. S. — On Oidiopsis taurica (Lev.), an endophytic member of the Erysiphaceae. 
With Plates XIII and XIV 187 
Ewart, A. J., and Mason-Jones, A. J. — The Formation of Red Wood in Conifers. With 
Plate XV ......... ..... 201 
Stapf, Otto. — T he Statices of the Canaries of the Subsection Nobiles. I 205 
NOTE. 
Ridley, H. N.—On the Foliar Organs of Monophyllaea . . . . . . .213 
No. LXXIX, July, 1906. 
Arber, E. A. Newell. — O n the Past Plistory of the Ferns. With a Diagram in the Text . 215 
Ellis, David. — T he Life-history of Bacillus hirtus (Synonyms Bacterium hirtum, Henrici ; 
Pseudomonas hirtum, Ellis). With Plate XVI ....... 233 
Robertson, Agnes. — S ome Points in the Morphology of Phyllocladus alpinus, Hook. With 
Plates XVII and XVIII 259 
Hill, T. G. — On the Presence of a Parichnos in Recent Plants. With Plates XIX and XX . 267 
Beer, Rudolf. — O n the Development of the Spores of Riccia glauca. With Plates XXI 
and XXII 275 
Boodle, L. A. — The Monoecism of Funaria hygrometrica, Sibth. With four Figures in the 
Text 293 
