1 
138 _ CRYPTOGAMIA. ALGAE. Conferva. (6) Threads 
"jointed. 
On the Keels of boats at Godstow. Bosarr in Dill. 27. 
seri‘cea. C. Very much branched, pretty long; green: little 
re branches crowded, as it were from a centre; very 
fine. + : 
Dill. 5. 33-Fl. dan. 651. 1. 
Four to 8 inches high, divided into very numerous crowded 
short branches, fine green in fresh, pale green in sea water. 
Di. - 
_ Rocks and stones in the sea. Isle of Sheppey. In the New 
| River near London. P. Jan.—Dec. 
glomera'ta.C. Little branches rather short, many-cleft. 
; Dill, 5. 31-H. ON. XV. 4, TOW. Se 9-~Fi, dan. 651. 2~—Park. 
1261. 1. 
From 4 to 12 inches long, or more; green. Branches nu- 
merous, divided and subdivided, the mid-rib still thicker than 
the other parts, but the extremities ending in numerous, hair- 
like, or. and very fine divisions, so as to have a bushy ap- 
ce. Din. 
~ Brooks and springs. A. April—Oct. 
ful'va.C, Branches and lesser branches alternate, very short : 
tawny. _ 
Much branched upwards ; generally forked at the top; co- 
lour tawny, or yellowish brown: pellucid joints not swollen. 
Fructifcations urn-shaped, on the sides of the branches and in 
the forks. ak : es 
[On’ Fuci and Sertularie in Mount’s Bay, Cornwall. Mr. 
SrackHouse.] On stones and Fucuses on the Yorkshire coast. 
A. May—Sept. 
nigres’cens. C, Very much branched, branches yery long: lesser 
branches somewhat bundled, very short, awl-shap-_ 
ed, Hups. 
Threads 6 inches long, forming a turf, of a slight tinge of 
blackish hue, black when dry, smooth. Branches alternate. 
Huns. 7.40, About 4 inches high; texture hard, woody : 
branches very fine, twisted, not diverging, nodules of fructifi- 
cations small, lateral. Colour brown black, Mr. SracxHouse. 
‘Rocks and stones in the sea. Near St. Ive’s, Cornwall, and 
Exmouth, Devonshire. [Polkerris near Fowey, and at Pen- 
zance. Mr. Stacknouss. | 
tetragona, C. Red? much branched ; branches 4esideds 
