The English flora - SeaweedAfrica

294 ALGjE INARTICULATE. [Rhodomela.
If.. Fructification January and March.— In English Botany, and in Mr.
Turner's Hist. Fuc., the capsules are represented and described as urce-
olate. Dr. Greville finds them to be broadly ovate.
30. Rhodomela. Ag. Rhodomela.
Frond cylindrical or compressed, filiform, much branched,
coriaceo-eartilaginous (the apex
tification ;—subglobose capsules,
sometimes involute). Fruc-
containing free, pear-shaped
seeds ; and pod-like receptacles, with imbedded ternate granides.
Grev. Alg. Brit.pJl02. t. 13.—Name; go^og, red, and^Aag, black;
in allusion to the change of colour from a purplish-red when
recent, to black, when dry.
* Summit of the branches straight (not involute).
1. R. Lycopodioides, Ag. (Club-moss Rhodomela); frond
terete mostly simple every where covered with closely imbricated
filiform patent ramuli generally forked at their apices and
intermixed with the setaceous remains of former branches.
Ag. Sp. Alg. v. 1. p. 377. Grev. Alg. Brit. p. 102 Gigartina
Lycopod., Lyngb.—Fucus Lycopod., Linn.— Turn. Syn. Fuc.
p. 343, Hist. Fuc. t 12. E. Bot. t. 1163.
On the stems of Laminaria digitata, Sussex and Devon, but chiefly
on the northern shores of Great Britain. 2£.— May—July.— 4—8 inches
long.
2. R. subfusca, Ag. (brownish Rhodomela) ; frond filiform
much and irregularly branched, branches subulate pinnate and
subalternate often clustered. Ag. Sp, Alg. v. I. p. 378. Grev.
Alg. Brit. p. 103.— Gigartina subfusca, Lamour.—Lyngb.—
Fucus subfuscus, Woodw. in Linn. Trans, v. I. p. 131. t. 12.
Turn. Syn. Fuc. p. 350, Hist. Fuc. t. 10. E. Bot. t. 1 164.
Coasts of Great Britain •, on
rocks and the larger Algae. $
—
. Fructifica-
tion February and in Summer.—An extremely variable plant at different
seasons of the year; being much injured in winter and destitute of the
branchlets.
—
—
—
** Summit of the branches involute*
3. H.^pi?iastroides, Ag. (Pinaster-like Rhodomela) ; frond terete
branched, the branches clothed with numerous secund spuriouslyjointed
ramuli, recurved at the apex. Ag. Sp. Alg. v. I. p. 381.
Grev. Alg. Brit. p. 104. t. 13 Gigartina Pinaster, f^yngb.—
Fucus pinastroides, Gmel.— Turn. Syn. Fuc. p. 346, Hist. Fuc.
t. 11. E. Bot.t. 1042.
On rocks in the southern coasts of England, frequent.
Dr. Scott. If..—Winter.—6— 8 inches high.
Near Dublin,
4. R. scorpioides, Ag. (scorpions tail Rhodomela) ; frond erect
capillary much divided with horizontal branches, the uppermost
singularly involute at the extremity. Ag. Sp.Alg.v. I. p. 380.
Grev. Alg. Brit p. 105. Fucus scorpioides, Huds. Angl. ed. 1.