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Pl.cellaph. S.THALASSlOPHYTiE. 27.Bulboch. 32^1
II. 27. BULBOCHiETE. Agardh. Bristle-weed.
Thallus green, membranaceous, much branched, jointed;
branches bristlelike, continuous, bulbous at the bottom,
from the end of the joints; tliecce ovate, capsular, sessile,
lateral, alternating with the branches.
Bulbochcete Rothii. Roth's hristle-weed.
Thallus branched, flexuous, yellowish-green ; branches
bulbous at the base ; joints 3 times as long as broad.
Conferva vivipara, Dillwyn, 59.
Conferva setigera, Roth Cat. 3,238.
Bulbochaete setigera, Agardh Syn.ll.
Fresh-water plants.
Ti/J'ls half an inch long, upright, weak; stem forked?
hranches very slender, simple, straight, very long.
III. 28. ECTOCARPUS. Lyngbye. Brown-iveed.
Thallus threadshape, jointed, membranaceous, very
much branched, brown; joints all simple; knots pellucid;
theccB ovate or podshape, on the side or ends of the twigs.
— Mostly marine; threads entangled into a branched tuft.
1. Ectocarpus tomentosus. JVbollike brown-weed.
Thallus very slender, very closely entangled into a ropelike,
spongy mass, very much branched; branches vague,
divaricated ; joints 4 times as long as broad.
Conferva marina lomentosa minus tenera et ferrnginea, Dillen in Rait
Syn. 39, 15.
Conferva fomentosa, Dillwyn Conf. 56.
Ceramium totnentusum, Agardh Syn. Gi.
Ectocarpus tomentosus, Lyngbye Hydr. Dan, 132.
Sea-shores.
Tufts 2 or 3 inches long, very much branched, pale
green; threads equal; branches spreading; /Aec^ capsular,
lateral, podshaped terminal.
2. Ectocarpus littoralis. Shore brotoU'Weed.
Thallus ropelike ; threads very slender, entangled
branches upright, opposite and alternate ; joints as long as
broad.
Conferva marina capillacea longa ramosissima mollis, Dillen in Rail
Syn. 59, 9.
Conferva littoralis, Dillwyn, 31 ; Engl. Bot. 2290.
Ceramium tomentosum, Roth Cat. 3, 147.
Sea-shores on rocks, shells, or other sea-plants.
Thallus pale green, not spongy, less densely entangled.
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