CRYPTOGAMIA. ALGAL Fccrs. 
99 
( Turn . Hist. 5— Stackh. 6 — E. Bot. 1738. E.)— Gmel. 6.3. 
Substance soft, colour yellow green, or purplish: height about nine inches : 
the thickness of packthread. Ginelin. Root solid. Its habit that of 
F. bifurcatks, but readily distinguishable from that by the fructifications 
being lateral, not terminating, and the angles at the forks being acute, 
not rounded. 
(Round-stalked Fucus. F. radiatus . Linn. Tr. v. 3. Chord,aria rotunda. 
Agard. Hook. E.) On the southern coasts. At Cromer, Norfolk. Mr. 
Woodward. 
F. fastigia'tus. Thread-shaped, forked, branched: branches nearly 
of the same length; the terminations either blunt or spear- 
shaped. 
{Turn. Hist. 6 — E. Bot. 824. E.)— Stackh. 6— Velley 4— FI. Dan. 393— H. 
Ox. xv. 9. row 2. 9 — Gmel. 6. 1, the end of a branch. 
Varying in height from three to twelve inches, and in colour from green to 
olive brown, red, and purple. Mr. Stackhouse. Stem cylindrical, thick¬ 
ness of a small packthread, upright, branched. Branches rising to an 
equal height, forked, shorter than in F. furcellatus. Fructifications on 
the ends of all the branches, egg-spear-shaped flatted vesicles, bordered 
by a furrow, opening at the top when ripe, and pouring out a prolific 
mucus. Gmel. Fuc. 106. It bleaches to the colour of isinglass, and has 
then a horny appearance when dry. 
(Worm-like Branched Fucus. F. lumbricalis. E. Bot. Turn. Hist. 
Linn. Tr. iii. 20. Furcellaria lumbricalis , j3 fastigiatus. Agard. Hook. E.) 
Rocks and stones in the sea. P. June—Oct. 
Var. 2. Ends of the branches short, blunt. 
Var. 3. Uppermost branches longer and more tapering to a point. 
FI. Dan. 419— II. Ox. xv. 9. row 1. 4— Gmel. 6. 2. 
Six inches high; cartilaginous, opake, brown turning black; the young 
plants reddish brown or greenish. Stem single, splitting at about an 
inch from the root, or else rising in two or more separate stems from its 
origin. Branches shaped like a worm, filled with slime containing gra¬ 
nulations. Gmel. 108. Approaches very nearly to F. fastigiatus, but 
longer, and the branches thicker. Linn. F. fastigiatus and furcellatus are 
one and the same species. I have a specimen in my possession, in which 
they both grow from one root, and one branch is divided with furcellatus 
on one part, and fastigiatus on the other. F. fastigiatus I am inclined to 
think will be found to be the male, and furcellatus the female plant. Mr. 
Woodward. The admirable figures of Mr. Stackhouse and Major Velley 
fully illustrate Mr. Woodward’s observation. If we suppose that 
Gmelin and Lightfoot have been mistaken about the blunt ends of the 
branches pouring out a prolific mucus, it will follow that these are- 
shoots which have not yet put forth the strap-spear-shaped fructification : 
but if they are right, Mr. Wood ward’s conjecture will be confirmed. 
F.furcellatus. Huds. Ed. 2. p. 589. Rocks and stones in the sea, and on 
the sea beach. P. Jan.—Dec. 
Major Velley informs us that Dr. Smith thinks the real F. furcellatus of 
Linn, has not been found on our coasts. See Velley’s Marine Plants; 
but this supposition is irreconcileable with the opinion of Linnaeus himself 
in Sp. PI. 
