IV 
Contents. 
PAGE 
Bancroft, C. K.—Researches on the Life-history of Parasitic Fungi. With Plate XXIV . 359 
Stiles, W. —The Structure of the Aerial Shoots of Psilotum flaccidum, Wall. With Plate XXV 373 
Stopes, M. C.—The Internal Anatomy of ‘ Nilssonia orientalis’. With Plate XXVI and a 
Figure in the Text. 3^9 
Stopes, M. C., and Kershaw, E. M. — The Anatomy of Cretaceous Pine Leaves. With 
Plates XXVII and XXVIII. 395 
Lawson, A. A.—The Gametophytes and Embryo of Sciadopitys verticillata. With Plates 
XXIX-XXXI.403 
Bower, F. O.—Studies in the Phylogeny of the Filicales. I. Plagiogyria. With Plates 
XXXII and XXXIII and five Figures in the Text ....... 423 
KlDSTON, R.—Note on the Petiole of Zygopteris Grayi, Will. With Plate XXXIV . . 451 
Ridley, H. N.—Symbiosis of Ants and Plants. With Plates XXXV and XXXVI . -457 
NOTES. 
Berridge, E. M.—Note on the Mesarch Structure of certain Vascular Bundles in the Cotyle¬ 
dons of some Scitamineae. With four Figures in the Text ..... 485 
Stephens, E. L., and Sykes, M. G.—Preliminary Note on Apogamy in Pteris Droogmantiana 487 
Essed, E.—The Panama Disease (Preliminary Notice). With three Figures in the Text . 488 
No. XCV, July, 1910. 
Arber, Agnes. —On the Structure of the Palaeozoic Seed Mitrospermum compressum (Will.). 
With Plates XXXVII-XXXIX and two Figures in the Text ..... 491 
Schwartz, E. J. — Parasitic Root Diseases of the Juncaceae. With Plate XL . . .511 
Sykes, M. G., and Stiles, W.—The Cones of the Genus Selaginella. With Plate XLI . 523 
Reed, T.—On the Anatomy of some Tubers. With Plates XLII and XLIII and four 
Diagrams in the Text . . . . . . . . . . . *537 
Chandler, B. — Utricularia emarginata, Benj. With Plate XLIV ..... 549 
Saxton, W. T.—Contiibutions to the Life-history of Callitris. With Plates XLV andXLVI . 557 
Brenchley, W. E. — The Influence of Copper Sulphate and Manganese Sulphate upon the 
Growth of Barley. With Plate XLVII and four Figures in the Text . . . 571 
Brooks, F. T.—The Development of Gnomonia erythrostoma, Pers., the Cherry-Leaf-Scorch 
Disease. With Plates XLVIII and XLJX ........ 585 
NOTES. 
Stephens, E. L. — The Development of the Seed-coat of Carica Papaya. With four Figures 
in the Text .............. 607 
Lang, W. H. —On a Suspensor in Helminthostachys zeylanica . . . . . .611 
Holden, H. S.—Preliminary Note on Periderm Formation in Filicinean Petioles . . .611 
No. XCVI, October, 1910. 
Buller, A. H. R.—The Function and Fate of theCystidia of Coprinus atramentarius, together 
with some General Remarks on Coprinus Fruit-bodies. With Plates L and LI . 613 
Davis, B. M.—Cytological Studies on Oenothera. II. The Reduction Divisions of Oenothera 
biennis. With Plates LII and LIII .......... 631 
Balls, W. L —The Mechanism of Nuclear Division. With Plate LIV and a Figure in the 
Text •••••••.653 
Benson, Margaret. —Root Parasitism in Exocarpus (with comparative Notes on the Haustoria 
of Thesium). With Plate LV and four Figures in the Text . . . . .667 
Stopes, Marie C.—Further Observations on the Fossil Flower, Cretovarium. With Plates 
LVI and LVII.679 
Kershaw, E. M.—A Fossil Solenostelic Fern. With Plate LVIII and a Figure in the Text . 683 
Miller, E. C.—A Physiological Study of the Germination of Helianthus annuus. With 
twenty-four Figures in the Text .......... 693 
