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 Gonatozygon Sphoerozosma Hyalotheca Gymnozyga Bambusina Desmidium BOTANY Summary of Genera and Species of DESMiDiACEi?: 2 Docidium .... 4 Euastrum. 1 Closterium. . . .21 Cosmarium 2 Mesotcenium ... - Calocylindrus I TetmemoruS ... 4 Xanthidium - Spirotoenia ... 3 Penium I Micrasterias ... 8 Cylindrocystis 1 7 Arthrodesmus ... 4 42 Staurastrum. . .32 7 — 4 Total ... 167 I LIST OF MARINE ALGiE Of V.C. 69. Lake Lancashire, compiled by J. A. Martindale, revised by E. M. Holmes. Collected chiefly near Barrow-in-Furness Authorities for records : Martyn's Planta Cantabrigiensis, 1763 ; Dr. Gibson, Handbook to the Lakes, 1854; Miss Hodgson, Ulverston ; Mr. W. B. Kendall Nordstedt. Enteromorpha compressa, Grev. (Dr. Gibson) Monostroma lactuca (L.), J. Ag. (Dr. Gibson) Ulva latissima, J. Ag. (Dr. Gibson) Cladophora pellucida, Kutz. (Robson's Brit. Fl. 1777) — Hutchinsiae, Harv. (Dr. Gibson) — utriculosa, Ktltz. var. laetevirens, Hansch. (Dr. Gibson) — rupestris (L.), Kutz — glaucescens. Guff. (Mr. Kendall) Bryopsis hypnoides, Lamour. (Dr. Gibson) — plumosa (Huds.), C. Ag. (Dr. Gibson) Vaucheria Htorea, B. and Ag. "i — synandra, Woronin — Thuretii, Woronin — sphoerospora J Dictyosiphon fceniculaceus (Huds.), Grev. (Dr. Gibson) Punctaria latifolia (Roth.), Grev. (Mr. Kendall) — plantaginea, Grev. (Dr. Gibson) Ectocarpus confervoides (Roth.), Le Jol. f. siliculosa (Dillv?.), Kjellm. (Dr. Gibson) Pylaiella litoralis (L.), Kjellm. (Dr. Gibson) Arthrocladia villosa, Duby. Miss Hodgson Elachista fucicola (Veil.), Aresch. (Dr. Gibson) Sphacelaria cirrhosa (Roth.) C. Ag. (Martyn's PL Cantab. 1763) Cladostephus spongiosus (Lightf.), C. Ag. (Miss Hodgson) Stypocaulon scoparium (L.), Kiitz. (Dr. Gibson) Leathesia difformis (L.), Aresch. (Miss Hodgson) Scitosiphon lomentarius (Lyngb.), Jag. (Mr. Ken- dall) Fucus ceranoides, L. (Dr. Gibson) — vesiculosus, L. (Dr. Gibson) — serratus, L. (Dr. Gibson) AscophyDum nodosum (L.), Le Jol. (Dr. Gibson) Pelvetia canaliculata (L.), Decaisne et Thuret. (Dr. Gibson) Halidrys siliquosa (L.), Lyngb. (Dr. Gibson) Dictyota dichotoma, Lamour. (Dr. Gibson) Padina pavonia, Gaill. (Martyn's Fl. Cantab. 1763) Porphyra laciniata, C. Ag. (Dr. Gibson) Chondrus crispus (L.), Stack. (Dr. Gibson) Phyllophora membranifolia (Good and W.), J. Ag. (Miss Hodgson) Ahnfeltia plicata (Huds.), Fries. (Mr. Kendall) Gracilaria confervoides, Grev. (With. Arr. 1 796) Calliblepharis ciliata, Kutz. (Rodymenia ciliata, Miss Hodgson) Lomentaria articulata, Lyngb. (Dr. Gibson) — clavellosa, Gaill. (Miss Hodgson) Champia parvula, Harv. (Dr. Gibson) Chylocladia kaliformis, Grev. (Dr. Gibson) Nitophyllum laceratum, Grev. (Mr. Kendall) Laurencia obtusa, Lamour. (Dr. Gibson) — pinnatifida, Lamour. (Dr. Gibson) Chondria dasyphylla, C. Ag. (Miss Hodgson) Polysiphonia urceolata (Lightf.), Grev. f. formosa, J. Ag. (Dr. Gibson) — fibrillosa (Dellw), Grev. (Dr. Gibson) — migrescens (Huds.), Grev. f. affinis, Harv. (Miss Hodgson) — fastigiata (Roth.), Grev. (Dr. Gibson) Antithamnion plumula, Thur. (Dr. Gibson) Ceramium rubrum (Huds.), C. Ag. f prolifera, J. Ag. (Miss Hodgson) — flagelliferum, J. Ag. (Mr. Kendall.) (?H. F.) Microcladia glandulosa (Soland.), Grev. (Mr. Kendall) Gloiosiphonia capillaris, Carm. MS. (Miss Hodgson) Rare. Dumontia filiformis (Fl. Dan.), Grev. (Dr. Gibson) Corallina officinalis, L. (Dr. Gibson) Since the latest records of the above list a number of marine algae have been recorded as follows : — Trans. Liverpool Marine Biological Committee, containing reports and memoirs of work since 1885. The marine algae were named by Prof. R. J. Harvey Gibson, Prof. Weiss, Dr. Darbishire, and others. Trans. L'pool Biol. Soc. vol. 5, 1890-1, pub. 1891, pp. 83-143, contains a revised list of marine alga; of the L.M.B.C. District. Reprinted in vol. iii. of Reports on the Fauna of U pool Bay, 1892-, with pagination altered to 65-125. The first list of algas was published in 1886, pp. 312-314, by Alfred Leicester. There are ten memoirs of the L.M.B.C., containing full descriptions of typical marine plants and animals. The greater number of these memoirs relate to animals. The district embraces not only Lancashire, but the whole coast from S.W. Scotland to Cardigan, and the Isle of Man. A list of marine algae extracted from the above Transactions was given in the Southport Handbook, Brit. Assoc, meeting, 1 903, under Zoology, but no localities are given ; therefore the plants mentioned must not be considered as belonging to the county, with- I 81 II