ANNALS OF BOTANY, Vol. XVIII. No. LXIX. 
January, 1904. 
Contains the following Papers and Notes: — 
Lawson, A. A.— The Gametophytes, 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. 
Hemsley, 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 Cytologv 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. 
NOTES. 
Massee, G. — On the Origin of Parasitism in Fungi. 
Salmon, E. S. — Cultural Experiments with ‘ 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. 
July, 1904. 
Blackman, V. H. — On the Fertilization, Alternation of Generations, and general Cytology of the 
Uredineae. With Plates XXI-XXIV. 
Darbishire, O. V. — Observations on Mamillaria elongata. With Plates XXV and XXVI. 
Lawson, A. A. — The Gametophytes, Fertilization, and Embryo of Cryptomeria iaponica. With 
Plates XXVII-XXX. 
Gregory, R. P.— Spore- Formation in Leptosporangiate Ferns. With Plate XXXI and a Figure in 
the Text. 
Massee, G. — A Monograph of the genus Inocybe, Karsten. With Plate XXXII. 
Boodle, L. A. — On the Occurrence of Secondary Xylem in Psilotum. With Plate XXXIII and 
seven Figures in the Text. 
NOTE. 
Scott, D. H. — On the Occurrence of Sigillariopsis in the Lower Coal-Measures of Britain. 
