Pl.cell.aph. 2. THALASSIOPHYTZE. 62. Gigart. 377 
15. Gigarlina subfusca. 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. 
those subfuscus, Woodward Lin. Tr. 1, 131; Turn, Hist. 105 Engl. Bot. 
Fucus setaceus, Wulff. Cryptog. 40. y 
Fucus variabilis, Gooden in Lin. Trans. 3, 222. 
Gigartina subfusea, Lamour. Thalas. 48. 
Sphzrococcus 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 irregu- 
larly branched; twigs bristlelike, scattered ; tubercles sphe- 
rical, solitary, immersed in the twigs. 
Fucus teres albus tenuissime divisis, Radi Syn. 50, 51. 
Fucus purpurascens, Huds. Fl. Angl. 588; Engl. Bot. 1243; Turn. 
Hist. 9. 
Fucus tuberculatus, Lightf. Scot. 926. 
Fucus corailinus, Fl. Dan. 709. 
Fucus capillaceus, Esper, 35. 
Fucus acicularis, Esper, 9}. 
Gigartina purpurea, Lamour. Thal. 48. 
Sphzrococcus purpurascens, 4gardh Syn. 31. 
Sea-coast; perennial; summer and autumn. 
Thallus 1 foot long, light red, fleshy. 
8. cirrhosa. Tips of the twigs twisted spirally. 
17. Gigartina capillaris. Hair plum-weed. 
Thallus rather gelatinous, threadlike, much and irregu- 
larly branched; twigs awlshape, pointed ; ¢ulercles solitary, 
imbedded in the twigs. 
Fucus capillaris, Huds. Fl. Angl. 591; Turn. Hist. 31; Engl, Bot. 219, 
Spheroceccus capillaris, Agardk Disp. 18. 
Gigartina capillaris, Lamour. Thal. 48. 
Sea-shore; perennial; April, October. 
Thallus 6 to 8 inches long, pale pink or crimson. 
18. Gigartina furfuracea. ’ Branny plum-weed. 
Thallus gelatinous, fleshy, reddish, round; repeatedly 
forked; twigs rather flattened, lanceolate, cloven; tubercles 
scattered, imbedded in the twigs. 
Ulva furfuracea, Turn. in Schad. Journ. 2, 301; Engl. Bot, 1891. 
Chondria furfuracea, 4gardh Disp.\8. 
