Phycologia britannica, or, A History of British sea-weeds, containing coloured figures, generic and specific characters, synonymes, and descriptions of all the species of algae inhabiting the shores of the British Islands . pe the notice of mere am indebted to him for many specimens of the rarer kinds, andfor excellent observations on several of them ; and we may anti-cipate much interesting information from experiments which hehas commenced on the growth of Sea-weeds, in closed bottles ofsea-water. Already, he writes in a recent letter, he has succeededperfectly with Brgopsis plm
Phycologia britannica, or, A History of British sea-weeds, containing coloured figures, generic and specific characters, synonymes, and descriptions of all the species of algae inhabiting the shores of the British Islands . pe the notice of mere am indebted to him for many specimens of the rarer kinds, andfor excellent observations on several of them ; and we may anti-cipate much interesting information from experiments which hehas commenced on the growth of Sea-weeds, in closed bottles ofsea-water. Already, he writes in a recent letter, he has succeededperfectly with Brgopsis plmuosa, which, in the space of a month, has grown considerably, and is now putting out beautiful sidebranches. This subject deserves more attention. I may men-tion that I have myself a plant of Griffithsia setacea, inclosed inApril 1846, which is now (Feb. 1848) in perfect health; thatthe water in the bottle has never been changed, and is as pureas when the plant was inclosed in it. No care has been takenof this plant, which stands on a library shelf. Fig. 1. Schizothrix Ckesswellii; tufts, in situ:—of the natural size. of filaments :—magnified: 3. Portion of two filaments :—highlymagnified. Ba/i WH H . litli . Ser. Ciilorospermeje. rum. Oscillatoriece. Plate CONFERVICOLA, Ag. Gen. Char. Filaments destitute of mucous layer, erect, tufted, or aggre-gated, fixed at the base, somewhat rigid, not oscillating. Tube con-tinuous ; cndoclirome green, densely annulated, at length dissolvinginto lenticular sporidia. Calothrix {Ag.),—from KoAoy, beautiful,and 8pi£, a hair. Calothrix confervicola; filaments short, glaucous, opake, filiform, blunt,rigid, straight or slightly curved, tufted. Calothrix coufcrvicola, Ag. 8yd. p. 70. Earv. in Hook. Br. Ft. vol. 367. Harv. in Mack. Fl. Hid. part 3. p. 237. Han. Man. p. , Jig. Damn. No. 229. Leibleima confervicola, Endl. Gen. No. 57. 3rd Suppl. p. 21. Leibleinia purpurea, cha
Size: 1167px × 2141px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorharveywilliamhwilliam, bookcentury1800, bookdecade1840
