370 61. Sphaeroc. 2.THALASSIOPHYTiE. Pl.cell.apk. 
short scattered cilise ; tubercles hemispherical, immersed in 
the thallus near the edge. 
Fucus bifidus, Iluds. FI. Angl. 581 ; Turn. Hist. 154; Engl. Bot. 773. 
Sphaerococcus bifidus, Agardh Disp. 16. 
Ddesseria bifida, Lamour. Thai. 
Rocks and plants in the sea; perennial; Sept, to Jan. 
j3. cilialus. Thallus linear, fringed along the edge', fringe 
minute, toothlike; tip lanceolate, pointed. 
y. decipiens. Thallus irregularly divided ; edge here and 
there fringed; tip oval and pointed. 
& subpalmatus, Thallus linear, nearly palmate, rounded 
at the tip. 
s. sinuosus. Thallus somewhat dilated, slightly sinuated 
towards the tip. 
£. stipilatus. Thallus nearly cylindrical; tips either di- 
lated and blunt, or narrow and pointed, proliferous at the 
edge. 
g. Thallus flat , forked or palmate , fringed; tubercles on 
the edge. 
14?. T bhcerococcus lacinialus. Jagged roundfruit . 
Thallus flat, leatherlike, lobed ; segments dilated up- 
wards; tip palmate, blunt; edge crenated, proliferous; 
sporidia in the thickened edge, or marginal fringe. 
Fucus laciniatus, Huds. FI. Angl. 579; Turn. Hist. 69 ; Engl. Bot. 1068. 
Fucus rainiatus, FI. Dan. 769. 
Fucus ciliatus, Gmel. 176. 
Fucus crispus, Esper. 18. 
Fucus crispatus, Stackh. Ner. Brit. 15. 
Fucus laceratus y, Linn. Tr. 3, 156. 
On rocks and stones in the sea ; February to May. 
Thallus aggregated, smaller at bottom. 
0. ovalifolius. Thallus proliferous on the edge; marginal 
processes elliptical roundish, simple, on short petioles. 
h. Thallus flat , pinnately lobed , fringed; tubercles on the 
edge, 
15. Sphcerococcus cilialus. Fringed roundfruit. 
Thallus flat, membranaceous, cartilaginous, lanceolate, 
pinnately divided ; surface and edge fringed ; fringe mostly 
simple, awlshape, spread ; tubercles on the edge. 
