Pl.cell.aph. 2.THALASSIOPHYTiE. 61. Sphseroc. 371 
Fucus meinbranaceus rubens angustifolius, marginibus ligulis armatis, 
RaiiSyn. 47,33. 
Fucus ciliatus, Lin. Mnnt. 436; Turn. Hist. 70; Engl. Bot. 1069. 
Fucus holosetaceus, Gmel. 177. 
Fucus ligolatus, Gmel. 178. 
Ulva ciliata, De Cand. FI. Fr. 2, 13. 
Sphaerococcus ciliatus, Agardh Syn. 28. 
Delesseria ciliata, Lamour. Thai. 
Hulesh. 
Sea-shore; perennial; winter. 
Thallus 3 or 4? inches long; eaten as a salad either alone 
or after being sprinkled before drying with a little alkaline 
salt. 
/3. pinnatifdus. Thallus lanceolate, pinnately divided ; 
segments long, lanceolate, simple. 
y. palmalus. Thallus lanceolate, rather naked, undi- 
vided or palmate. 
S.jubatus. Fringes branched. 
Fucus jubatus, Linn. Trans. 3, 162. 
s. lanceolatus. Thallus linear, lanceolate, very much di- 
vided ; fringes divided. 
Fucus lanceolatus, With. Bot. Arr. 4, 104. 
(. angustus. Thallus linear, very much divided; seg- 
ments nearly hairlike, very slender, compressed. 
y\. spinosus. Thallus linear, compressed, much and irre- 
gularly divided, entirely covered with short, simple, awl- 
shape cilise. 
XXXVII. 62. GIGARTINA. Plum-weed . 
Thallus linear, compressed or cylindrical, very much 
branched, nearly of equal thickness throughout; sporidia 
in roundish tubercles, either lateral or terminal. 
a. Gelidium. Thallus toothed on the edge 9 fringed j tu- 
bercles roundish , on the marginal cilice. 
1 . Gigartinus pistillatus. Pistilled plum-weed. 
Thallus cartilaginous, linear, compressed, irregularly 
two-forked; twigs awlshape, rather two-rowed, horizontal; 
tubercles on the twigs, globose. 
2 B 2 
