Loy 3 
PART XV.—OcronEn, 1910. 
XV. The Anatomy of Welwitschia mirabilis, Hook. J., in the Seedling and Adult 
States. Forming Report No. 2 of the Perey Sladen Memorial Expedition to 
South-West Africa, 1908-1909. By M. G. Svxzs, Girton College, Fellow of 
Newnham College, Cambridge. (Communicated by Prof. H. H. W. PEARSON, 
Sc.D., F.L.S.) (Plates 34 & 35 and 5 Text-figures.) . . . . . page 327 
PART XVI.—FEsnvuaRy, 1912. 
XVI. Anatomy of Enhalus acoroides (Linn. f.) Steud. By Hruna M. CUNNINGTON, 
B.Sc. (Communicated by Prof. Percy Groom, D.Sc., F.L.S.) ey 36 and 
13 Text-figures.) . . Pope Mey Og 3 < Bee 
PART XVII.—Jurx, 1912. 
XVII. On Botrychioxylon paradoxum, sp. nov., a Paleozoic Fern with Secondary 
Wood. By D.H.Scorr, FES F.L.S. (Plate 87-41.) . . . . . 878 
PART XVITII.—Juzxy, 1912. 
XVIII. On Psygmophyllum majus, sp. nov., from the Lower Carboniferous Rocks of 
Newfoundland, together with a Revision of the Genus and Remarks on ils 
Affinities. By E. A. NEWELL ARBER, M.A., Sc.D., F.L.S., F.G.S., Trinity 
College, Cambridge; University Demonstrator in > anc : Plates 42-44 
WE OCOD) X s. wo iw (0. UE 
PART XIX.—Novemser, 1912. 
XIX. On the Ferns of the Seychelles and the Aldabra Group. By CARL CHRISTENSEN, 
JM.Sc.(Copenhagen). (Communicated by Prof. J. STANLEY GARDINER, M.A., 
Bas LO) OCIMe4bR),. |. 2 9 oS LARA * s. 4090 
PART XX.—Fesrvary, 1913. 
Titlepage, Contents, and Index ul Wc vu dieu uu IN L0. ., 4T 
SECOND SERIES.—BOTANY, VOL. VII. b 
