ANNALS OF BOTANY, Vol. XVIII. No. LXIX. 
January, 1904. 
Contains the following Papers and Notes:— 
Lawson, A. A. — The Gametophyte^, Archegonia, Fertilization, and Embryo of Sequoia semper- 
vivens. With Plates I-IV. 
Wager, H.— The Nucleolus and Nuclear Division in the Root-apex of Phaseolus. With Plate V. 
Worsdell, W. C. — The Structure and Morphology of the ‘ Ovule.’ An Historical Sketch. With 
twenty- seven Figures in the Text. 
Cavers, F.— On the Structure and Biology of Fegatella conica. With Plates VI and VII and five 
Figures in the Text. 
Potter, M. C. — On the Occurrence of Cellulose in the Xylem of Woody Stems. With Plate VIII. 
Williams, J. Lloyd.— Studies in the Dictyotaceae. I. The Cytology of the Tetrasporangium and 
the Germinating Tetraspore. With Plates IX and X. 
Benson, Miss M. — Telangium Scotti, a new Species of Telangium (Calymmatotheca) showing 
Structure. With Plate XI and a Figure in the Text. 
NOTES. 
Memsley, W. Botting. — On the Genus Corynocarpus, Forst. Supplementary Note. 
Weiss, F. E. — The Vascular Supply of Stigmarian Rootlets. With a Figure in the Text. 
Ewart, A. J. — Root-pressure' in Trees. 
April, 1904. 
Williams, J. Lloyd.— Studies in the Dictyotaceae. II. The Cytology of the Gametophyte Genera- 
tion. With Plates XII, XIII, and XIV. 
Bower, F. O. — Ophioglossum simplex, Ridley. With Plate XV. 
Parkin, J.— The Extra-floral Nectaries of Hevea brasiliensis, MiilL-Arg. (the Para Rubber Tree), 
an Example of Bud-Scales serving as Nectaries. With Plate XVI. 
Church, A. H. — The Principles of Phyllotaxis. With seven Figures in the Text. 
Mottier, D. M. — The Development of the Spermatozoid in Chara. With Plate XVII. 
Weiss, F. E. — A Mycorhiza from the Lower Coal-Measures. With Plates XVIII and XIX and 
a Figure in the Text. 
Reed, H. S. — A Study of the Enzyme-secreting Cells in the Seedlings of Zea Mais and Phoenix 
dactylifera. With Plate XX. 
Vines, S. H.— The Proteases of Plants. 
NOTE’S. 
Massee, G. — On the Origin of Parasitism in Fungi. 
Salmon, E. S. — Cultural Experiments with 1 Biologic Forms’ of the Erysiphaceae. 
Oliver, F.W., and Scott, D. H. — On the Structure of the Palaeozoic Seed Lagenostoma Lomaxi, 
with a Statement of the Evidence upon which it is referred to Lyginodendron. 
