CRYPTOGAMIA. ALG. Fucus. D.(1) Flat, mid2 9h 
 . ibbed, opaxe. 
seen this var. of not more than the usual breadth, but in. these. 
specimens the mid-rib extended only to a short distance from 
the stem. ig ie ; 
F. Plant flat ; forked; very entire: dotted; strap-shaped spira’lis. 
and channeled towards the: base: fructifications in | 
pairs 5 tubercled, 
Stackh. 5~Fl, dan. 286-H, ox. xv. 8. 10—Bast. ii. 11. 1- 
Dod. A79. 1-Ger. em. 1567.4, on the right hand side 
_ Gesns ap, Cord. Schmid. ic. lign. 1.5. 
Twisted spirally whilst growing ; membranaceous, flat, nar- 
rower below, channeled. Fructifications terminating, oblong, 
thickish, in pairs, on fruit-stalks, Linn. A foot or more in 
length. Rav. Syn. 41. It has no air-bladders.  Fructifications 
masses of granulations at the ends of the leaves, which are most- 
ly forked, but sometimes 3-cleft. These masses are. oblong, 
filled with mucilage, and are of the colour of a Spanish olive. 
Punctures in the leaves in a regular series, garnished with pencils 
of fibres. I have not seen the stalk channeled. Sracxuouse. 
In some specimens the dots, or globules within the substance of 
the leaf‘on each side the mid-rib, are not disposed in a regular ‘ 
series, but scattered, and much more numerous than represented 
in the fig. of Mr. Stackhouse. 
' Stones and rocks in the sea, Kent, Sussex, and Essex. On 
the coast .of Devon and Cornwall, on rocks below high water 
mark. Mr, Stacxnousz. P, Jan.—Dec, 
F. Strap-shaped, forked, very entire, smooth, with mi- angustifolius 
nute dots or punctures: fruit slender, pomted. = 
_ _. Lately discovered by Mr, Sracxnouse at Portreath near St. 
Ives, Cornwall, It resembles the F. spiralis but is not at all 
twisted in its growth, the breadth of the leaf is much less than 
in the kindred plants ; the fruit is very narrow, pointed ; often 
2 horned, Mr. Sracxnouse. : hae 
F. Strap-shaped, mid-ribbed, flat, forked, very entire, the dis’tichus, 
ends tu , sharp-pointed. — 
Gael. fuc. 1. A. 1, ek 
_ Between gristly and leathery, 6 inches high, olive green, 
changing to black when dry. © Root circular, more than } an 
inch diameter, cemented to stones. Stems thick, flat, branched, 
Branches uniform, forked, pervaded by a mid-rib, leaf narrow. . 
Fructifications on the ends of the branches, containing granules, 
Gmewin fac, 72. Differs from the F. camaliculatus in the leaf 
not being at all channeled, and the pod-like vesicles being long 
