P la t e CCLIII.
DASYA COCCINEA, Ag.
G en . Ch a r . Frond filamentous; the stem and branches mostly opake,
irregularly cellular (rarely peUuoid and longitudinally tubed), composed
internally of numerous parallel tubes suirounding a central
cavity; the ramuli jointed, single tubed. Fructification two fold, on
distinct p lan ts: 1, ovate capsules [ceramidia) furnished with a terminal
pore, and containing a tuft of pear-shaped spores; 3, lanceolate
pods [stichidia) containing tetraspores ranged in transverse bands.
D asya [Ag.),—from hacrvs, hairy.
D asya coccinea ; stems elongate, robust, rough with hair-Hke fibres, distichously
branched ; branches bi-tri-pinnate ; pinnulæ multifid, singletubed,
their articulations as long as broad.
D a sy a coccinea, Ag. Spec. Alg. vol. ii. p. 119, Harv. in Hook. Br. FI. vol. ii.
p. 335. Wyatt, Alg. Damn. No. 41. Harv. in Mack. FI. Hib. part 3.
p. 309. Harv. Man. p. 97. Fndl. Zrd Suppl. p. 44.
A sp e b o c a u lo n coccineum, Grev. FI. Fd. p. 309.
E l l i s i u s coccineus. Gray, Br. PI. vol. i. p. 334.
T e ic h o th am n io n coccineum, Kiitz. Phyc. Gen. p. 415.
H u t c i i in s i a coccinea, Ag. Syn. p. 36. Hook. FI. Scot. part 3. p. 89. Ag.
Syst. p. 147.
O a l l i th am n io n coccineum, Lyngb. Hyd. Ban. p. 134.
CoNPEBVA coccinea, Huds. FI. Ang. p. 603, With. vol. iv. p. 141. Billu).
Conf. t. 36. F. Bot. 1 .1055.
CoNFEBVA plumosa, Ftlis, Phil. Trans, vol. Ivii. p. 435. 1 .18. i.e . C. d .B .
lAgUfi. PI. Scot. p. 996.
C eram ium hirsutum, Roth, Cat. Bot. vol. ii. p. 169. t. 4.
Var. squarrosa; branches destitute of hair-Hke fibres, sparingly and often
irregularly branched ; ramuli squarrose.
Cebamium patens, Grev. Crypt. Scot. t. 361.
H ab. On rocks and Algæ near low-water mark ; ^. dredged in deep-water.
Annual. Summer. Common.
G eogk. D i s t r . Atlantic shores of Europe, from Norway to Spain.
D e sob. Root, a conical disc. Stem, six to eight inches long or more, mostly
undivided, as thick as small cord at the base, gradually attenuated, opake,
and clothed with short, shaggy hairs, pretty regularly tri-pinnate pinnæ
long, spreading, lanceolate closely pinnulated ; the ultimate pinnulæ forked
or multifld, or cloven to the base into numerous simple, single-tubed ramuli.
Articulations visible in the smaUer branches only, many tubed, and very
short, interrupted by transverse bands of small, irregular cells. A trans