CRYPTOGAMIA. ALGiE. Conferva. 
137 
Aggregate-fruited Conferva. Southampton. Miss Biddulph. E. Bot. 
EO 
C. pul'va. Branches and lesser branches alternate, very short: 
tawny. 
Much branched upwards; generally forked at the top; colour tawny, or 
yellowish brown: pellucid joints not swollen. Fructifications urn-shaped, 
on the sides of the branches and in the forks. 
(Tawny Branched Conferva. E.) On Fuci and Sertularise in Mount’s 
Bay, Cornwall. Mr. Stackhouse. On stones and Fuci on the Yorkshire 
coast. A. May—Sept. 
C. nigres'cens. Very much branched, branches very long: lesser 
branches somewhat fasciculated, very short, awl-shaped. Huds. 
(E. Bot. 1717. E.) 
Threads six inches long, forming a turf, of a slight tinge of blackish hue, 
black when dry, smooth. Branches alternate. Huds. n. 40. About four 
inches high ; texture hard, woody: branches very tine, twisted, not 
diverging, nodules of fructifications small, lateral. Colour brown black. 
Mr. Stackhouse. 
(Compound-jointed Conferva. E.) Rocks and stones in the sea. Near 
St. Ive’s, Cornwall, and Exmouth, Devonshire. Polkerris, near Fowey, 
and at Penzance. Mr. Stackhouse. (Scottish coast, Mr. Brodie, and 
Yarmouth, Mr. Turner. E. Bot. E.) 
C. tetra'gona. Red: much branched; branches four-sided. (Joints 
twice as long as broad: capsules lateral, sessile, globose. E. Bot. 
(Billie. 65— E. Bot. 1690. E.) 
Colour bright pink, one to two inches long. When magnified the stem and 
branches appear four-sided, the sides hollowed. Mr. Stackhouse. 
(Pink Square-branched Conferva. E.) Found by Major Veliev and 
Mr. Stackhouse at the Bill of Portland, growing parasitically on the larger 
Fuci, principally on their stems. (Swansea. Mr. Dillwyn. Weymouth. 
Mr. Turner. E. Bot. 
There is some reason to apprehend that Fiicus byssoides of Linn. Tr. v. 3. 
p. 259, is no other than this Conferva. E.) 
C. fus'ca. Very much branched; little branches alternate, undivided. 
Huds. 
(Dillw. 95. E.) 
Threads three to four inches long, blackish brown or reddish, smooth. 
Branches alternate, long. Little branches short, distant. Fructifications 
terminating and lateral, sessile, small, roundish, clustered. Huds. 
(Alter-nate-branched Rock Conferva. E.) Stones and rocks in the 
sea. A. June—Oct. 
(C. au'rea. Hair-like, powdery; orange-coloured; fructifications 
scattered; threads simple and branched, jointed. 
Dillw. 35—E. Bot. 212—Dill. 1. 16— Mich. 89. 2—Gled. I. By sms. f. 1 — 
FI. Dan. 718. 1-^-Pet. Gaz. 15. 3. 
Grows in raised tufts; threads short, matted together, like a fleece, soft, 
saffron-coloured, changing to greyish when dry. Dill. The patches ot 
