Toh- x e n i .
. H K leL e t Lth. "Reeve,imp.
.il
PLATE XCIII.
CODIUM TOMENTOSUM, Stack.
Gen. Chab. F rond green, sponge-like (globular, cylindrical or f la t; simple
or branched), composed of tu b u la r, interwoven, inarticulate fflaments
(elongated, branching cells). Fructification; opake vesicles [conio-
cysta) attached to th e filaments. Codium { S ta c k ),— ixmr rmShr, the
sk in o f an animal.
C o d i u m tomentosum; frond linear, dichotomous, cylindrical or compressed.
C o d i u m tomentosum. Stack. Ag. Sp. Alg. vol. i. p. 452, Ag. Syst. p. 177.
« , -rr 1 ■ A T .. T , . .H „ I Q K + I Q TTa.,.1 .
F eg.lol. iv. p . 3 6 5 . Grev. Alg. Brit. p . 1 8 5 . 1 . 1 9 . Hook.
Brit.°El. vol. ii. p . 3 1 8 . Harv. in Mack. El. Rib. p a r t 3. p . 2 3 2 . Harv.
Man. p . 1 4 5 . Wyatt, Alg. Banm. n o . 3 5 . J. Ag. Alg. Medit. p . 2 3 .
Ekidl. 3rd Suppl. p . 2 1 . Kiitz. Phyc. Gen. p . 3 0 9 . t . 4 2 . f. 1.
Canar. Crypt, p . 1 8 2 . Pol. Leed. p . 3 5 , Alger, p . 4 8 .
Endl.
C o d i u m e lo n g a tum , Ag. Sp. Alg. vol. i. p . 4 5 4 . Ag. Syst. p . 1 7 7 .
3rd Suppl. p . 2 1 . Montg. Alger, p . 5 0 . 1 . 1 3 . f. 1.
C o d i u m lin e a re ? Ag. I. c.
C o d ium filifo rm e ? Montg. Alger, p . 5 0 . t. 1 0 . f. 2.
S p o n g o d i u m tom e n to sum , Lamour. Ess. p . 7 3 .
S p o n g o d i u m com mu n e, Boi-y, Bup. Voy. Bot. p . 2 1 0 .
F u o u s tom e n to su s , Huds. El. Ang. p . 5 1 4 . Stack. Ner. Brit. I. 7.
and Woodw. in U m . Trans. vo l.m . -ÿ.195. E .B o t. 1.112. Esper, Eue.
1 . 1 1 2 . Turn. Syn. vol. ii. p . 3 0 0 . Hist. t . 1 3 5 .
Good.
A g a e d h i a d ic h o tom a , a reo la ta , e t ram en ta c e a , Cabrera, in Fhys. Sallsk.
Arsber.
H ab. On rocks in th e sea, within th e range of th e tid e ; generaUy near
low-water mark. Perennial. Summer. Common on th e rocky shores
of th e British Islands.
G e o g e . D i s t e . Common on all the shores of Europe, both Mediterranean and
Atlantic. Dispersed also throughout the temperate and torrid portions
of the Atlantic, Pacific, and Indian Oceans. New Hofland and Tasmania.
Auckland Islands.
D e s c e . Eronds rising from an expanded velvety incrustation, which forms wide
patches on the surface of rocks, solitary, or gi-egarious, from six inches to
two feet in length, from two to fbui- lines in diameter at the base, erect,
more or less regularly dichotomous, with or without lateral ramuli.
Branches cylindrical or frequently compressed, linear, obtuse, often expanded,
sometimes greatly so, beneath the forkings. Axils rounded. The whole
frond is coated with delicate, hyaline, horizontal filaments, one or two lines
in length, and of a very soft and gelatinous substance. Structure; the
axis is composed of innumerable, interwoven, irregularly branched, slender
filaments, from which issue radiating, horizontal, somewhat clavate ramuli,
whose apices constitute the surface of the frond. To the sides of these
ramuli are attached the ovato-lanceolate subsessile coniocysta, whicli contain
i'i