376 62. Gigart. 2.THALASSIOPHYT7E. Pl. cell aph. 
s. albida. T hall us rather compressed, slightly forked; 
twigs a wish ape. 
Fucus albidus, Hud?. FI. Angl. 582. 
Fucus verrucosus, Grrich 136. 
inflate. Thallus bent in, near the tip swollen here 
and there with lanceolate, podshape tumours. 
Yj. geniculate. Thallus bent as if broken at the tubercles. 
12. Gigartina Turneri. Turner's plum- weed . 
Thallus threadlike, pale reddish brown, hairlike, uneven, 
much and very irregularly branched; twigs scattered; tu- 
bercles hemispherical, sessile, scattered. 
Conferva verrucosa, Turnerii, Engl. Bot. 1688. 
Sea-shores ; annual ; summer. 
Thallus 3 inches long. 
13. Gigartina viridis. Green plum-weed. 
Thallus cartilaginous, threadlike, repeatedly and conti- 
Dually pinnate; branches and twigs opposite; tubercles he- 
mispherical, sessile. 
Fucus viridis, FI. Dan. 886 ; Dot. 1689 ; Turner Hist. 97. 
Desmaretia viridis, Lam. Thai. 25. 
Chordaria? viridis, Agardh Syn. 14. 
Cigar tin?* viridis, Lyngbye Hydr. Dan. 44. 
Sea- shore; annual; spring and summer. 
Thallus 1 or 2 feet long, fine orange, growing verdigris 
green. 
e. Gigartina. Thallus threadlike , equal ; tubercles rounds 
immersed in the twigs. 
14. Gigartina lycopodioides. Wolfs- claw plum-weed. 
Thallus threadlike, mostly simple, entirely covered with 
threadlike twigs, closely imbricated and slightly forked at 
the tip. 
Fucus lycopodioides, Lin. Syst. Nat. 717; Turn. Hist. 12; Engl. Bat. 
1163. 
Conferva squarr^sa, FI. Dan. 367. 
Fucus Lycopodium, Stackh. Ner. Brit. 107. 
Furcellaria lycopodioides, Agardh. Syn. 11. 
Gigartina lycopodioides, Lyngbye Hydr. Dan. 43* 
Sea-shore. 
Thalli aggregate, naked at bottom, above densely imbri- 
cated with simple or pinnated twigs, brownish red growing, 
black. 
