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Pl.cellaph. 2. THALASSIOPHYT^. 62.Gigart. 37T
15. Gigarl'ma siihfusca. Brownish plum-weed.
Thallus threadlike ; branches irregular, many, alternate,
awlshape, spreading; twigs pencilshape, in bundles; tu-
bercles unevenly pinnate, on the tip of" the twigs.
Fucus siibfuscus, H^oodward Lin. Tr. I, 13 i ; I'urn, Hist. 10; Engl, Bxit,.
1164.
Fucus setaceus, fVuJff. Ciyplog. 40. ,
Fucus variabilis, Goodtti in Lin. Trans. 3,222,
Gigarlina subfusca, Lamour. Tlialas. 48.
Splicerococcus subfuscus, Agardh Syn, 32.
Sea- shore; perennial; spring.
Thallus very variable in form ; twigs often appearing as
if jointed.
16. Gigartina purpurascens. Purplish plum-weed.
Thallus threadlike, soft, cartilaginous, much and irregularly
branched ; twigs bristlelike, scattered; tubercles sphe-
rical, solitary, immersed in the twigs.
Fucus teres albus tenuissime divisis, Raii Syn. 50, .51.
Fucus purpurascens, Ihtds. Fl. Angl. 588 ; Engl. Bot. 1243 ; Turn,
Hist. 9.
Fucus luberculatus, Lightf. Scut. 926,
Fucus corailinus, Fl. Dan. 109.
Fucus capillaceus, Esper, 35.
Fucus acicularis, Esper, 91.
Gigartina purpurea, Lamour. Thai. 48.
Sphaerococcus purpurascens, .Jgardh Syn. 31.
Sea-coast; perennial; summer and autumn.
Thallus 1 foot long, light red, fleshy.
;3. cirrhosa. Tips of the twigs twisted spirally.
17. Gigartiva capillaris. Hair plum-vjeed..
Thallus rather gelatinous, threadlike, much and irregu-
larly branched ; twigs awlshape, pointed ; tubercles solitary,
imbedded in the twigs.
Fucus capillaris, Huds. Fl. Angl. 591 ; Turn. Hist. SI ; Engl. Bo/. 2191.
Sphaerococcus capillaris, ^^are/A Disp. 18.
Gigartina capillaris, Lamour. T/ial.'ib.
Sea-shore; perennial; April, October.
Thallus 6 to 8 inches long, pale pink or crimson.
1%. Gigartina furfuracea. Bramnj plum-weed.
Thallus gelatinous, fleshy, reddish, round; repeatedly
forked; twigs rather flattened, lanceolate, cloven; tubercles
scattered, imbedded in the twigs.
Ulva furfuracea, Turn.in Schi-ad.Jown.^, 301; Engl. Bot. 1891.
Chondria furfuracea, Agardh Disp. 18.
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