Pl.cell.aph. 2.THALASSIOPHYTYE. 61. Sphseroc. 365 
Ulva punctata, Stackhouse , Lin . Tr. S, 536. 
Fucus punctatus, With. Bot.Arr. 4,405; Engl. Bot. 1573 ; Turn. Hist. 
71. 
Delesseria punctata, Agardh Disp. 14. 
On marine plants. 
Thallus delicate pale pink ; sporidia dark red. 
2. Sphcerococcus ulvoides. Ulva roundfruit . 
Thallus membranaceous lobed; lobes blunt, pinnatifid, 
edges not cut ; tubercles hemispherical. 
Fucus ulvoides. Turner Hist. 80 ; Engl. Bot. 2154, 
Delesseria ulvoides, Agardh Disp. 14. 
Sea-coasts. 
b. Sphserococcus. Thallus slightly ribbed lengthways at 
the base , proliferous ; tubercles flat on the surface. 
3. SphcBrococcus miens. Reddish roundfruit . 
Thallus rather membranaceous, slightly ribbed length- 
ways at the bottom, mostly two forked ; lobes linear, ellip- 
tical, tip round; edge jagged, wavy; surface proliferous; 
tubercles hemispherical. 
Fucus membranaceus purpureus varie ramosus, Dillen in liaii Syn. 
47,36. 
Fucus rubens, Lin. S. P. 1630; Engl. Bot. 1053; Turn, Hist. 42. 
Fucus epipbyllus, FI. Dan. 708. 
Fucus prolifer, Lightf. Scot. 2. 
Fucus laciniatus, Gmel. 182. 
Fucus crispus, Huds. FI. ylngl. 580. 
Delesseria rubens, Lamour Essai. 
Sphcerococcus rubens, Agardh Syn. 23. 
Chondrus rubens, Lynghye Hydr. Dan. IS'. 
Sea-shore ; perennial. 
Micl~rib visible at the base of the thallus, but is after- 
wards lost in its substance. 
4. Sphcerococcus laceratus. Torn roundfruit . 
Thallus membranaceous, tender, slightly veined, mostly 
forked; lobes linear; tip rounded; edge waved and tom; 
tubercles hemispherical ; sporidia solitary, scattered. 
Fucus laceratus, Gmel. Fuci , 179 ; Turn . Hist. 68 ; Engl. Bot. 1067. 
Fucus crispatus, Lin. Syst. Nat. 2, 7 18. 
Fucns cristatus, With. Bot. Arr. 4, 103. 
Fucus laciniatus 1, With. Bot.Arr. 4, 102. 
Fucus endivifolia, Light. Scot. 948. 
Rocks and stones on the sea-coast; autumn. 
0. papyraceus . Segments and lobes linear. 
