PI. cell. aph. 2. THALASSIOPH YT/E. 65.Lamin. 385 
Fucus arboreus polyschides edulis, Raii Syn. 46, 31 ; Park. 1292,2. 
Fiiciis digitatus, Lin. Mant. 134 ; Turn. Hist. 162 ; Engl. Bot. 2274. 
Fucus hyperboreus, Fl.Norv. 2,61. 
Fucus bifurcatns, FI. Norv. 1,96. 
Ulva digitata, Be Cand. FI. Fr. 2, 16. 
Laminaria digitata, Lamour. Thai. 22. 
Phasgonon esculentum, Walker. 
Sea-shores; perennial. 
Thalli gregarious. — Eaten as a salad. 
XLI. 66. PHASGONON. Walker. Phasgone. 
Thallus flat, leatherlike, often ribbed ; stirps roundish; 
holdfasts fibrous; sporidia placed horizontally in superficial 
mucilaginous warts, formed of jointed filaments, placed in 
appendages attached to the stirps. 
1. Phasgonon bulbosum. Bulbous phasgone. 
Stirps flat, edge waved; thallus expanded, flat, cut in 
many swordshape lobes ; edges not^cut. 
Fucus bulbosus, Esper, 123; Engl. Bot. 1760; Turn. Hist. 161. 
Fucus polyschides, Light/. Scot. 936. 
Fucus palmatus, Gmelin , 30. 
Ulva bulbosa, He Cand. FI. Gall. 2, 16. 
Phasgonon Mariae, Walker. 
Laminaria bulbosa, Lamour. Thai. 22. 
St. Mary's Thistle. 
Sea- shores. 
Holdfasts tuberous, globose, hollow ; outside fibrous. 
2. Phasgonon esculentum. Eatable phasgone, 
Stirps roundish; middle compressed,® pinnately lobed; ‘ 
lobes many, lanceolate ; thallus expanded, flat, swordshape, 
undivided, midribbed. 
Fucus Scoticus latissimus edulis dulcis, Raii Syn. 46, 30. 
Fucus esculentus, Lin. Mant. 135 ; Turn. Hist. 117 ; Engl. Bot. 1759. 
Fucus fimbriatus, Gmcl. 200. 
Fucus tetragonus, Woodw. in Lin. Tr. 3, 110. 
Fucus pinnatus, Fl.Norw. 1,96. 
Phasgonon Scoticum, Walker. 
Laminaria esculenta, Lamour. Thai. 22. 
Sea-shores. 
Thalli gregarious; holdfasts fibrous. 
/3. minus . Thallus narrower at bottom. 
Fucus teres, Woodw. in Lin. Tr. 3, 140. 
2 C 
VOL. I. 
