The English flora - SeaweedAfrica

Dasua.] ALGiE CONFERVOlDEiE. 335
lanceolate receptacles (Stichidia) containing granules, set in
transverse fascia—Name dxrvs, hairy ; in allusion to the slender
ramuli.
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1. D. coccinea, Ag. (scarlet Dasya); stems robust irregularly
branched, branches bipinnate, pinnulte fasciculato-nmltifid,
articulations of the ramuli as long as broad. Ag. Sp. Alg.—
Conferva coccinea, Dillw. Conf. t. 36. E. Bot. t. 1055.— Hutchinsia
coccinea, Ag. Syst. Alg. v. 2. p. 119. Asperocaitlon
coccin., G'rev. Crypt. Eclin. p. 307 [3. tenuior (Dillw.') ; more
slender in all its parts.
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branches naked, ramuli
y. denudata ;
squarrose minute subsimple. Ceramium patens, Grcv. Crypt.
Fl. t. 2G1, (according to authentic specimens.)
Abundant on the shores of England and Ireland; more rare in Scot-
land. Firth of Forth, Dr. Greville.— 0. Devonshire, Mrs. Griffiths.
Bantry Bay, Miss Hutchins.— y. Appin, Capt. Carmichael. Bute, Dr.
Greville. Whitsand Bay, Mr. Arnott.—The variety 7., were it not that
intermediate states occur, might easily be mistaken for a distinct species
; but its characters merely result from accident or disease.
2. D. ocelldla, (ocellated Dasya); stems subsimple beset on
all sides with long erecto-patent dichotomous penicellate ramuli,
articulations 2—4 times longer than broad, receptacles lanceolate
attenuate.— Ceramiion oceUatum, Grateloup.— Hutchinsia
ocellata, Ag. Syst. Alg. p. 158. Dasya simpliciitscula, Ag. Sp.
Alg. v. 2. p. i22.
On marine rocks, rare. Pier at Torquay, Mrt. Griffiths. Wbitsand
Bay, Cornwall, Mr. Arnott.— Steins tufted, 1 — 2 inches high, simple or
with 3 or 4 branches, thickish, opaque, inarticulate, densely striated
longitudinally, ramuli spreading on all sides, crowded towards the upper
part, scattered below, 3 to 5 lines in length, articulate, several times
die) itomous, the apices elongated. Lower articulations of the ramuli
once or twice, upper 1 > times longer than broad; apices obtuse.
Colour a fine purple. Receptacles attenuato-lanceolate, acuminate,
nearly as long as the ramuli, Bessile or Bhortly pedicellate, seated in the
dichotomies of the ramuli, containing dark purplish granules, closelj set
in transverse fasciae. These receptacles are abundantly produced ; the
capsules 1 have never
3. I). HutchtnsiiB, (Miss Hutchins* I)(is)/d); slums much and
irregularly branched beset on all sides with very short divari-
cating- dichotomous ramuli, articulations about twice as long as
broad, receptacles oblong Buddenly acuminate.— Conferva At*
buscula, Dillw. Conf. t. (,'. (eaxl. t. 85.)
Bantrj I' Hutckint. Shores of Orkney and Caithnesi
/.'
lin
v
Bay, /r. II.
Miltown Malbay, and Kingstown Harbour, Dub-
llm vtu.— Stems tufted, 8— I inches high, branches
t with dichotomous divaricating ramuli, about a lane in
length, giving the plant a nam. led appearance. < olour a pale reddish,
brow u, substance flaccid. Fructification of 2 kinds :— I. Ovato
with a produced BUDCJ liudrical neck, rather BCUte, discharging l hi
n terminal DOTC roundish or pynlbnu -< ptaclefl obi
suddenly acuminate, or obtuse, n ith a mucro, i ontaining ternate granu