ANNALS OF BOTANY, Vol. XIII, 
Contains the following Papers:— 
Darwin, F.—The Botanical Work of Darwin. (With Portrait.) 
Macdougal, D. T.—Symbiotic Saprophytism. (With Plates I and II, and 
one Figure in the text.) 
Newcombe, F. C.—Cellulose-Enzymes. 
Sturch, H. H —Harveyella mirabilis. (With Plates III and IV.) 
Salmon, E. S.—On the Genus Fissidens. (With Plates V-VII.) 
Trow, A. H.—Observations on the Biology and Cytology of a new variety 
of Achlya americana. (With Plates VIII-X.j 
Snow, J. W.—Pseudo-Pleurococcus, Nov. gen. (With Plate XL) 
Ward, H. M.—Thames Bacteria, III. (With Plates XII-XIV.) 
Darbishire, O. V.—On Actinococcus and Phyllophora. (With Plate XV 
and seven Figures in the text.) 
Dixon, H. H.—The Possible Function of the Nucleolus in Heredity. 
Lang, W. H.—The Prothallus of Lycopodium clavatum, L. (With Plates 
XVI and XVII.) 
Mottier, D. M.—The Effect of Centrifugal Force upon the Cell. (With 
Plate XVIII.) 
Biffen, R. H.—A Fat-Destroying Fungus. (With Plate XIX.) 
Boodle, L. A.—On some Points in the Anatomy of the Ophioglosseae. 
(With Plate XX.) 
De Vries, H.—On Biastrepsis in its Relation to Cultivation. 
Farmer, J. B., and Freeman, W. G.—On the Structure and Affinities of 
Helminthostachys zeylanica. (With Plates XXI-XXIII.) 
Hartog, M.—The Alleged Fertilization in the Saprolegnieae. 
Harper, R. A.—Cell-Division in Sporangia and Asci. (With Plates XXIV- 
XXVI.) 
Worsdell, W. C.—Observations on the Vascular System of the Female 
‘ Flowers ’ of Coniferae. (With Plate XXVII.) 
Ward, H. Marshall.—S ymbiosis. 
Some Methods for use in the Culture of Algae. (With Plate XXVIII.) 
Darwin, F.—On Geotropism and the Localization of the Sensitive Region. 
(With Plate XXIX.) 
Wager, H.—The Sexuality of the Fungi. 
ANNALS OF BOTANY, Vol. XIV. 
No. LIII, March 1900, contains the following Papers and Notes:— 
Campbell, D. H. —Studies on the Araceae. (With Plates I—III.) 
Howard, A.—On a Disease of Tradescantia. (With Plates IV and V.) 
Worsdell, W. C.—The Structure of the Female ‘ Flower’ in Coniferae. An 
Historical Study. (With seven Figures in the Text.) 
Hill, T. G.—The Structure and Development of Triglochin maritimum, L* 
(With Plates VI and VII.) 
Seward, A. C., and Go wan, Miss J.—The Maidenhair Tree (Ginkgo 
biloba, L.) (With Plates VIII-X.) 
NOTES. 
Parkin, J.—On the Reserve-Carbohydrates of the Bulb of the Hyacinth 
(Hyacinthus orientalis, L.). 
Lewis, F. J.—Formation of an irregular Endodermis in the Roots of Ruscus sp. 
(With two Figures in the Text.) 
Worsdell, W. C.—The Anatomical Structure of Bowenia spectabilis, Hook. 
Wild, G., and Lomax, J.—A new Cardiocarpon-bearing Strobilus. 
