IV 
Contents . 
No. LXXXVII, July, 1908. 
PA GE 
Olive, Edgar W. — Sexual Cell Fusions and Vegetative Nuclear Divisions in the Rusts. 
With Plate XXII . 331 
Kauffman, C. H. — A Contribution to the Physiology of the Saprolegniaceae, with special 
reference to the Variations of the Sexual Organs. With Plate XXIII , . . 361 
Petch, T. — The Genus Endocalyx, Berkeley and Broome. With Plate XXIV . . . 389 
McNicol, Mary.— On Cavity Parenchyma and Tyloses in Ferns. With Plate XXV and 
seven Figures in the Text .401 
Stoward, F. — On Endospermic Respiration in certain Seeds . 3 . . . .415 
Bruschi, Diana. — Researches on the Vitality and Self- digestion of the Endosperm of some 
Graminaceae .............. 449 
Fraser, H. C. I., and Welsford, E. J. Further Contributions to the Cytology of the 
Ascomycetes. With Plates XXVI and XXVII and a Figure in the Text . . . 465 
Brooks, F. T. — Observations on the Biology of Botrytis cinerea. With four Figures in the Text 479 
Arber, E. A. Newell, and Parkin, J.— Studies on the Evolution of the Angiosperms. The 
Relationship of the Angiosperms to the Gnetales. With three Figures in the Text . 489 
Gwynne-Vaughan, D. T. — On the Real Nature of the Tracheae in the Ferns. With Plate 
XXVIII 517 
NOTES. 
Sykes, M. G. — Note on an Abnormality found in Psilotum triquetrum. With five Figures in 
the Text . . 525 
Worsdell, W. C. — Internal Phloem in Myristica. With two Figures in the Text . . 526 
No. LXXXVIII, October, 1908. 
Lewis, T. M. — The Behaviour of the Chromosomes in Pinus and Thuja. With Plates XXIX 
and XXX 529 
Balls, W. Lawrence. Temperature and Growth. With eleven Figures in the Text . . 557 
Jeffrey, Edward C. — Traumatic Ray-Tracheids in Cunninghamia sinensis. With Plate XXXI 593 
Willis, J. C., and Burkill, I. H. — Flowers and Insects in Great Britain. Part IV. 
Observations on the less specialized Flowers of the Clova Mountains . . . 603 
Worsdell, W. C. — A Study of the Vascular System in certain Orders of the Ranales. With 
Plates XXXII and XXXIII and four Figures in the Text ..... 651 
Scott, Rina. — On Bensonites fusiformis, sp. nov., a fossil associated with Stauropteris 
burntislandica, P. Bertrand, and on the sporangia of the latter. With Plate XXXIV 
and seven Figures in the Text 683 
Hill, T. G., and de Fraine, E. — On the Seedling Structure of Gymnosperms. I. With 
Plate XXXV and eight Figures in the Text 689 
NOTES. 
Hill, A. W. — The Origin of Monocotyledons. With one Figure in the Text . . . 713 
Boodle, L. A. — On the Occurrence of different Types of Hair in the Wallflower. With one 
Figure in the Text 714 
Contents and Index iii-vii 
