344 45. Ulva. 2,THALASSI0PHYTiE. Pl.cell.aph. 
Ulva terresiris, Roth Cat. 211. 
Ulva crispa, Lightfoot Ft. Scot. 9T2. 
Ulva Lactuca, y, Huds. Fl.Angl. 567. 
Damp, shady places. 
Thalii many, aggregated, in a crisp and bullated bed. 
8. Ulva umbilicata. Umbilicated laver. 
Thallus reddish brown, flat, tiled-like, gregarious, nearly 
©rbiculate, umbilicated, sessile, longitudinally plaited. 
Ulva marina umbilicata, Dillen in Rail Syn. 63,3. 
Tremella marina umbilicata, Dillen Muse. 45. 
Ulva umbilicalis, Lin. : S. P. 1633,; Engl. Bot. 2286. 
Fucus Tremella umbilicata, Gmel. 219. 
Ulva purpurea umbilicata, Agardh Syn. 41. 
On stones, on the sea-shore. 
9. Ulva purpurea. Purple laver. 
Thallus purple, flat, solitary, lanceolate; edge not cut, 
wavey, crisp. 
Ulva purpurea, Roth Cat. 1,209. 
Ulva umbilicalis /3, Wahl. Lapp. 967. 
Rock on the sea-shores. 
Thallus rounded and contracted at bottom. 
10. Ulva edulis. Eatable laver. 
Thallus very dark red, nearly opake, wedgeshape, not in 
the least cut, rounded at the tip, narrowed at bottom. 
Fucus Scoticus, latissimus edulis duleis, Raii Syn. 46,30. 
Ulva edulis, De Candolle FI. Gall. 2, 12. 
Fucus edulis, Stackh. Nereis Brit. 12; Engl. Bot. 1307. 
Fucus duleis, Gmelin , 189. 
Fucus Lactuca, Esper, 64. 
Fucus carnosus, Esper , 76. 
Fucus palmatus j6, Light/. Scot. 934. 
Ualymenia edulis, Agardh Syn. 35. 
Dulse. 
Sea-shores. 
Odour like tea ; eaten raw before dinner. 
1 1 . Ulva palmata. Palmate laver. 
Thallus purplish red, pellucid, palmate, not in the least 
cut; lobes oblong, mostly simple. 
Fucus membranaceus ceranoides, Raii Syn. 46,29. 
Ulva palmata, De Cand. FI. Gall. 2, 12. 
Halymenia palmata, Agardh Syn. 35. 
Fucus palmatus, Lin. S. P. 1630 ; Turner Hist. 115; Engl. Bot. 1306. 
Fucus ovinus, Fl.Norv. 96. 
Fucus enprinus, FI. Dan. 1 128. 
Fucus bullatus, FI. Dan. 770. 
Fucus rubens, Esper t 15. 
