386 67.Chorda. 2. THALASSIOPHYT. Pl. cell. aph. 
XLII. 67. CHORDA. Lamouroux. Rope-weed. 
Thallus round, tubular, not branched; holdfasts shield- 
like; sporidia in clublike threads, scattered on the surface 
of the thallus. 
1. Chorda filiformis. Threadlike rope-weed. 
Thallus round, not in the least branched, narrower at 
each end: when old twisted up spirally. 
Fucus chordam referens teres prelongus, Raii Syn. 40, 3. 
Fucus Filam, Lin. S. P.1631; Turn. Hist. 86; Engl. Bot. 2487. 
Fucus Tendo, Esper, 22. 
Ceramium Filum, Roth Cat. 1, 147. 
Chorda Filum, Stackh. Ner. Brit. Introd. 24; Lamour. Thal. 27. 
Chordaria, Link in Schrad. Journ. 1809, 8. 
Chordaria Filum, 4gardhé Syn. 13. 
Flagellaria Filum, Ner. Brit. ed. 2. Intr. 9. 
Sea-laces. 
Sea-shore: annual. 
Thalli aggregate, from 1 to 20 feet long, often spirally 
twisted; ules divided on-the inside; sporidia pearshaped. 
2. Chorda tomentosa. Woolly rope-weed. 
Thallus cylindrical, not branched, naked at the bottom, 
in all other parts covered with a very manifest slippery 
downiness, fermed of jointed fibres. 
Chorda tomentosa, Lyngbye Hydr. Dan, 74. 
Fucus Filum, var. Engl. Bet. 2487. 
Sea-shore. 
XLII. 68. CHORDARIA. Link. Thong-weed. 
Thallus solid, round, threadlike, branched ; sporidia 
scattered in clublike threads on the surface of the thallus. 
Chordaria fiagelliformis. Whiplike thong-weed. 
Thalius slender, slippery; branches numerous, slightly 
2-rowed, very long, simple or forked, blunt. 
Fucus flagelliformis, F!. Dan. 650; Turn. Hist. 85; Engl. Bot. 1229. 
Conierva dichotoma, Fil. Dan. 358. 
Ceramium longissimum, Schum. Enum. 2, 111. 
Gigariina flagellifurmis, Lamour. Thal. 48. 
Chordaria flagelliformis, 4garah Disp. 12. 
Sea-shores. 
Thaili aggregate, 6 to 9 inches long. 
8. éortilis. Thallus small, slender; branches pinnate; 
twigs spreading, clawlike, not branched, close. 
Conferva, 1172; Lin. Suec. 4, 36. 
Chordaria flagelliformis minor. 4gardh Syn. 13. 
Fucus flagelliformis tortilis, Turn. Hist. 85. 
