CRYPTOGAMIA. ALGA, Fucus. F. (1) Cylindrical 
in its fructiferous jelly which 
ough evidently vascular. 
allow the escape of the’ see 
n ripe, and the seam opens. I have seen it 
©; it is only brittle when dry. Mr. Sracx- 
hed ‘specimens sometimes shew the joints 
transverse septa almost reduce it to the genus Conferva, ; 
The transverse partitions are about 6 in every inch of the — 
plant, but not-very regular. 
Sea. Laces. Rocks and stones in the sea, common. 
sa ‘ |  P. Jan.—Dec. 
F. Gristly, thread-shaped, compress 
.. “Hups. 585. - 
Leaf } a foot long, semi-transparent 
Mr. be en refers to no figure and IT 
so that this species rests entirely upon his autho 
Rocks and stones in the sea near the Isle of Walney, Lan- 
Gis . P.. May—Oct, 
eddish. Hus. 2. 39. 
#. 
, but the plant — 
ly di as is the case with one-now before me sent _ 
by Major Velley, who observes with Mr. Lightfoot that the 
have seen no specimen, — 
107 
forked, pointed, filifor’mis, 
F. Cylindrical, somewhat forked : branches parallel, blunt, bifurca’tus, 
tubercled;, the divisions. of the forks oval, not an- 
-. «Prats XVIL f. 1.—E. bot. 726. 
From 5 to 9 inches high. Root compact, cartilaginous, ad- 
hering strongly to the rocks. Szems undivided for the space of 
3 or 4 inches'from the root, when they become forked, and pro- 
_ ceeding 3 or 4 inches higher strike out into a continued series of 
very short forked branches clustered together. All the stems — 
are perfectly cylindrical, nearly of an equal size throughout, — 
seldom larger than a crow-quill, but in general thicker than the 
F. fastigiatus and F. furcellatus, and are more regularly forked. __ 
than any I have with, the F. loreus excepted. It differs _ 
"from the other forked Fuci in invariably main’ aining an oval 
mode of growth in: of an angular one at the forks, and 
also in the rounded blunt termination of the branches. At the 
latter end of si on examining the forked tops of the plant, 
a peared replete with opake substances. On 
tudinal incision into these, I clearly dis 
“a moderate magnifier, the form and di 
hich proceded from a point, or kind of 
4 
: 
es 
