374 62. Gigart. 2.THALASSIOPHYTA2. PI. cell. aph. 
Fucus asparagoides, Woodvo. in Tr. Lin. Soc. 2,29. 
Sphaerococcus asparagoides, Agardh Disp. IT. 
Piocamiurn asparagoides, Lamuur. Thai. 
Sea-shore. 
d. Thallus threadlike , equal ; tubercles lateral , wartlike y 
firmed of jointed threads. 
7. Gigartina fastigiata. Even-topped plum-weed. 
Thallus cartilaginous, threadlike, 2-forked, level-topped, 
angle of the fork bluntish, tip acute; tubercles irregular, 
hemispherical, sessile, lateral. 
Fucus rotundus, Gmel. Fuci , 1 10 ; Engl. Bot. 1739 ; Turn. Hist. 5. 
Fucus radiatus, Gooden. Tr. Lin. Soc. 3,202. 
Fucus fastigiatus, Staclch. Her. Brit. 15. 
Fucus caprinus, FI. Norv. 1,96. 
Chordaria rotunda, Agardh Syn. 12. 
Furcellaria rotunda, Lyngbye Hydr. Dan. 49. 
Furcellaria fastigiata, Lamour. Thai. 
Sea-shore; perennial; September to February. 
Thallus deep brownish purple, white when exposed to 
the weather; tips rather blunt. 
j3. tenuior . Thallus with the extreme segments long and 
linear; tips bluntish. 
y. fastigiata. Thallus very slender, about 2 inches high. 
Fucus fastigiatus, Lin. S. P. 1631. 
8. Gigartina plicata . Pleated plum-weed. 
Thallus horny, cylindrical, uniform, very much branch- 
ed; branches mostly simple, clustered, entangled, horizon- 
tal, slightly one-sided; tips blunt; tubercles irregular, he- 
mispherical, sessile. 
Fucus trichoides nostras aurei coloris, ramulorum apicibus furcatis, 
Jiaii Syn. 45,26. 
Fucus coralloides erectus, Raii Syn. 51, 57. 
Fucus plicatus, ILuds. Ft. Angl. 5S9 ; Turn. Hist. 180; Engl. Bot. 1088, 
not of Esper. 
Fucus albus, FI. Dan. 408. 
Ceramium plication, Roth Cat. 2, 162. 
Gigartina plicata, Lamour. Thai. 48. 
Sphaerococcus plicatus, Agardh Disp. 17. 
Sea-coast ; perennial ; October to April. 
Thallus tufted, stiffj wirelike, entangled. „ 
&. elongata. Thallus rather forked ; branches long, 
straight, level-topped. 
Fucus longissimus, Espcr t 44. 
