ANNALS OF BOTANY, Vol. XXI. 
No. LXXXI, January, 1907, contains the following Papers and 
Notes ; — 
Lawson, Anstruther A.— -The Gametophytes, Fertilization and Embryo 
of Cephalotaxus drupacea. With Plates I-IV. 
Gibbs, L. S. — Notes on the Development and Structure of the Seed in the 
Alsinoideae. With Plates V and VI and four Figures in the Text. 
Bergtheil, C., and Day, D. L.— On the Cause of ‘ Hardness ’ in the Seeds 
of Indigofera arrecta. With Plate VII. 
M c Nicol, Mary. — The Bulbils and Pro-embryo of Lamprothamnus alope- 
curoides. With Plate VIII. 
Hemsley, W. Potting.— Two new Triuridaceae, with some Remarks on 
the Genus Sciaphila, Blume. With Plates IX and X. 
Brown, Adrian J.— On the Existence of a Semi-permeable Membrane en- 
closing the Seeds of some of the Gramineae. 
Scott, D. H., and Maslen, A. J.— The Structure of the Palaeozoic Seeds, 
Trigonocarpus Parkinsoni, Brongniart, and Trigonocarpus Oliveri, 
sp. nov. Part I. With Plates XI-XIV. 
NOTES. 
Ewart, A. J. — The Delayed Dehiscence of Callistemon rigida, R. Br. 
Ellis, David. — On the Constancy of Cilia-insertion in Bacteriaceae. 
No. LXXXII, April, 1907, contains the following Papers and 
Notes : — 
Hill, A. W. — A Revision of the Geophilous Species of Peperomia, with 
some additional Notes on their Morphology and Seedling Structure. 
With Plate XV. 
Farmer, J. Bretland, and Digby, L.— Studies in Apospory and Apogamy 
in Ferns. With Plates XVI-XX. 
Lang, W. H.— On the Sporogonium of Notothylas. With Plate XXI. 
Wigglesworth, Grace. — The Young Sporophytes of Lycopodium com- 
planatum and Lycopodium clavatum. With Plate XXII and four 
Diagrams in the Text. 
Fritsch, F. E.— The Subaerial and Freshwater Algal Flora of the Tropics. 
A Phytogeographical and Ecological Study. 
Stopes, M. C.— A Note on Wounded Calamites. With Plate XXIII and 
four Diagrams in the Text. 
Lawson, A. A. — The Gametophytes and Embryo of the Cupressineae, with 
special reference to Libocedrus decurrens. With Plates XXIV-XXVI. 
NOTES. 
Oliver, F. W. — Note on the Palaeozoic Seeds, Trigonocarpus and Polylo- 
phospermum. 
Beer, Rudolf. — The Supernumerary Pollen-grains of Fuchsia. 
Fraser, H. C. I. — Contributions to the Cytology of Humaria rutilans, Fr. 
No. LXXXIII, July, 1907, contains the following Papers and 
Note : — 
Mottier, David M. — The Development of the Heterotypic Chromosomes 
. in Pollen Mother-cells. With Plates XXVII and XXVIII. 
Fraser, H. C. I. — On the Sexuality and Development of the Ascocarp in 
Lachnea stercorea, Pers. With Plates XXIX and XXX. 
Clark, A. M. — Secondary Thickening in Kendrickia Walkeri, Hook f. 
With Plate XXXI. 
Hickling, George. — The Anatomy of Palaeostachya vera. With Plates 
XXXII and XXXIII, and four Figures in the Text. 
Bayliss, Jessie S. — On the Galvanotropism of Roots. With four Figures 
in the Text and two Curves. 
Priestly, J. H., and Irving, Annie A. — The Structure of the Chloroplast 
considered in Relation to its Function. With two Figures in the Text. 
Ridley, H. N.— Branching in Palms. With Plates XXXIV-XXXIX. 
Fritsch, F. E., and Rich, Florence — Studies on the Occurrence and 
Reproduction of British Freshwater Algae in Nature. I. Preliminary 
Observations on Spirogyra. With eleven Figures in the Text. 
NOTE. 
Scott, Daisy G. — On the Distribution of Chlorophyll in the Young Shoots 
of Woody Plants. 
