P l a t e XXII.
ECTOCARPUS HINCKSIÆ, Haw.
Gen. C h a e . Filaments capillary, jointed, olive or brown, flaccid, singletubed.
Fruit, either spherical, elliptical, or lanceolate utricles, borne
on the ramuli, or imbedded in their substance. E c t o c a e pu s— from.
€KTos, external, and Kaprros, fruit.
E c t o c a e p u s tufted, dark oli-ve; filaments irregularly and distantly
branched; branches flexuous, fumished with secund ramuli
pectinated on the upper side; utricles conical, sessile, lining the inner
face of the ultimate ramuli.
E c t o c a e pu s Hincksim, Harv. Man. p. 40.
H a b . Parasitical on Laminaria bulbosa. Annual. June. At BaUycastle,
Miss Hinchs. Torbay, Mrs. Griffiths; Mrs. Wyatt. Aberdeen,
Dr. Fichie. Plymouth, Rev. W. S. Hore. Mounts Bay, Cornwall,
abundant, Mr. R a lfs.
G b o&e . D i s t e . British Islands.
llBSCE FiUments 1 -2 inches high, dark olive, somewhat rigid for the genus,
(tiie substance very simüar to that of F. littoralis), irregularly and rather
distantly branched, not matted together. The branches are furnished in the
upper part with secund spreading or somewhat recurved ramuli, which bear
on their inner faces a second series of closely set, subulate ones ; the compound
ramulus resembling a Httle comb. Utricles conical, sessile, produced
alono- the inner face of the ramuli, one rising from almost every joint, giving
to the ramulus the appearance, under a lens of low power, of being serrated.
My first knowledge of this species was from a solitary specimen
gathered in 1840, by Miss Hincks, daughter of the venerable and
respected Dr. Hincks, of Belfast. Though I had then seen but
one specimen, yet so striking were its characters that I did not hesitate
to describe it forthwith as a new species; and I had much
pleasure in dedicating it to its discoverer, to whom I am indebted
for many beautifully prepared and judiciously selected specimens
oi Algae, and from whose explorations of our northern shores much
more novelty may be expected.
Miss Hincks found her specimen on “ one of the Laminariae,”
but neglected at the time to notice which. The uncertainty of
habitat is, however, cleared up by Mr. Ralfs, who finds that in
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