Fiziu C c e u x Vil.
P l a t e CCCXXXVII.
GELIDIUM CARTILAGINEUM, Gain.
G en. Ch a r . Frond linear, compressed, pinnated; its awis composed of
densely interwoven, longitudinal, tenacious fibres ; the periphery of
small, polygonal cells. Fructification of two kinds, on distinct individuals
; 1, tubercles [favellidia) immersed in swollen ramuli, containing
a spherical mass of oblong spores ; 2, tetraspores contained
in club-shaped ramuli, bipartite or tripartite. G e l id ium [Lam.),—
b om gelu, frost, whence also gelatine; bnt none of the species of the
restricted genus are gelatinous.
G elid ium cartilagineum; frond several times pinnated, pinnae and pinnulæ
alternate, erecto-patent, with rounded axils, linear, obtuse;
tubercles elliptical, mucronate, immersed in the ultimate pinnules,
G e lid ium cartilagineum, Gaill. R&um. p. 15. Duly, Bot. Gall. p. 948.
G)-ev. Ala. Brit. p. 140. Hook. Br. M. vol. ü. p. 304, Harv. Man. ed. 1.
p. 81, ed. a. p. 139. mu. Phyc. Gen. p. 406. t. 73 (Anatomy). Sp.
Alg. p. 763.
Ge lid ium concatenatum, Lamour. Ess. p. 41.
Ge lid ium versicolor, Lamour. Ess. p. 41.
Sphærococcus cartüagineus, Ag. Sp. Alg. vol. i. p. 386. Ag. Syst. p. 337.
Fucus cartüagineus, Linn. Sp. PI. p. 1630. Gun. El. Norv. p. 108. t. 3. f. 5.
Esper, Ic. Fuc. 1 .1. Turn. Syn. vol. ii. p. 384. Turn. Hist. 1 .134. E.
Bot. 1 .1477.
Fuous capensis, Gm. Hist. Fuc. p. 1 5 7 .1 .17. f. 1.
Fucus versicolor, Gm. I. c. p. 1 5 8 .1 .17. f. 3.
H a b . Thrown ashore, occasionally, on the south coasts of England.
Perennial. Freshwater Bay, Isle of Wight, B r . Withering [Turn.
Syn. I. c.) Picked up at Eyde, Isle of Wight, in 1849, by Mr.
Sheppard [Miss Gifford, in litt.)
G e o g r . D i s t r . Cape of G o o d Hope, and Port Natal; abundant California.
Canary Islands. Chinese Sea. (Adriatic, Wulfen. Near Nice, Allimi.
Northern Ocean, as by Finmark, here and there. Gunner -.—fide Turn. Hut.
vol. ii. p. 138.)
D escr. Boot fibrous, matted, extensively spreading. JroM* tufted, from one
to two feet in length, linear, compressed, scarcely a line in breadth ; stern
undivided or once or twice forked, usuaUy naked below, set in the upper
half with decompoundly pinnated spreading branches. Branches three or
fom- times pinnate, ovate in outfine, the lowermost pinnæ being longest
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