CRYPTOGAMIA. ALGE, Fucus, E. (2) Flat; rilless, 
PELLUCID. 
AB. ‘ceranciderc: Blade] ands Giadl, ‘nbt OE Linns Ov. the 
Sussex and Cornish coasts. ~*~ F 
205. 
Var. 2, The ends membranaceous, widened, torn. 2. Sy. 
44. 2, ‘Ss ss 
ees ior ackh, ii, 11—-Gmel, 22. °-and ib. 95, 
__ Four ineh 
flat, nervous, enlarged on each side with membranaceous rudi- 
ments, which expand into broad leaves; these Jeaves are hand. 
shaped with many clefts, waved, scolloped, ‘ribless, irregularly 
divided, clefis diccce in depth, generally three at the end, 
which is rounded Gwewin fuc. ~ . pox 
F. lacerus. Linn. F. Palmeita. Gmelin. $Sea_ shore: 
common. 
Var. 3. Fructifications on fruit-stalks, ‘ 
Found by Mr, Stackhouse on the Cornish coast, at Fowey. 
: : Sept. 
F. Leaves gristly, flat, ribless, branched; toothed with 
winged clefts: teeth callous, blunt. 
Stackh. ti. 11-Gmel. 10. 2.and 3—H, ox. xv. 8. row 2.2% 
~ Substance. cartilaginous, pellucid.  Svems roundish, many 
together, springing fr 
Leaves winged, leafits opposite or alternate, blunt. Gueuin 
fuc. 155. Leaf 3 to ~ inches long, strap-shaped, below nar- 
rower and thicker, brownish red, towards the end paler and yel- 
lowish ; segments blunt Huns. 2. 30. It is found either 
very much divided into blunt segments, in branchés rising from 
the root with a naked stem at first wide at bottom and ‘tapering 
like a fern leaf; or else divided alternately and distantly into 
short blunt segments, not at all, or rarely subdivided; or lastly 
it forms a matted covering to the rock as thick tufted as a moss 
and not more than 14 inch high. Its colour variable from olive 
to deep red, of a tender structure, and pellucid. These plants 
fructify in the segments, the seeds may be seen imbedded, and 
with high magnifiers perforations become visible. (In cutting 
these parts the seeds are discharged in the field of the micro. 
scope. ‘This is the only marine plant I know which has a 
Strong odour of a peculiar kind. It has improperly been called 
Pepper Dulse, for it does not in the least resemble that spice 
though it has a biting and disagreeably aromatic flavour. Mr. 
Srackuousr. It varies very much in size, from 1 to 6 inches 
es high; membranaceous, pellucid, fine ted. Stem ~~ 
spat 
tom a roundish base or fixed to the stones: _ 
high, and the leaves from nearly the breadth of a straw to the — 
slenderness of a small’ pin. — f ; 
| ~F. pinnatifidus and F. multifidus. Huds Rocks and. stones 
‘in the sea in Devonshire and Hampshire. [Bill of Portland. 
Mr. Stackxuouse, Cornwall, Sir T. FRankianp, | BES eal ae IE 
