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Pl.cell.aph. 2.THALASSIOPHYTiE. 62. Gigart. 373
&. fiUcinus. Thallus very slender; lohes horizontal, di-
lated, very blunt.
;^ Fucus filicinus, Much. Fl. Angl. 586.
Fucus iiereideus, Light/. 956.
y. phinahis. Thallus narrow, tri-pinnate; lohes nearly
linear, rather blunt.
Fucus pinnatus, Huds. Fl. Angl.bSC.
Fucus sericeus, Gmel. 149.
d. renifor^nis. Branches and twigs spreading, scattered,
narrow at bottom, tip blunt.
E. capillaceus. Thallus slender; upper lobes crowded,
bristlelike, nearly upright.
Fucus capillaceus, Gmel. 146.
(. defurmis. Thallus twisted, irregularly pinnated ; lobes
divaricated, oblong, vex-y short, not divided.
Yi. pulchellus. Thallus hairlike,^ compressed, tripinnate;
lohes linear, clublike, blunt.
L claviferus. Thallus cylindrical, hairlike, irregularlydivided;
twigs reverse ovate; edge vf'ith. minute scattered
teeth.
s. coronatus. Thallus compressed, irregularly branched,
naked below; having in the middle a few, simple, scattered
lobes, and at top clusters of short twigs bent back.
5. Gigartina IVigghii. Wiggh's plum-weed.
Thallus slightly gelatinous, cylindrical, threadlike, much
and irregularly branched; twigs ^evy numerous, on all
parts, bristlelike, mostly simple, scattered ',
twigs Loiiceolate, compressed.
fruitbearing;
Fucus Wigghii, Turn, in Lin. Tr. 6, 11 ; Turn. Hitt. 102; Engl. Bol.
1135.
Sphaerococcus Wigghii, Agardh Disp. 17.
Hypnea Wigghii, Lamour. Thai.
Sea-shore; annual; Midsummer.
c. Thallus roundish^ branched; twigs threadlike; thecce
globular, on the end of the twigs.
6. Gigartina asparagoides. Asparagus plum-weed.
Thallus slightly gelatinous, cylindrical, threadlike, much
and irregularly branched; twigs simple, spreading horizontally,
bristlelike, 2-roV,*ed, opposite, ending alternately
in a spherical theca.