The English flora - SeaweedAfrica

Micromega.] ALGiE DIATOMACEJE. 411
line in height, once or twice branched, investing various Algae, but particularly
Dumontia fiL'for mis, with a minute, but fine yellow fringe. When
dry, it is green.
108. Homceocladia. Ag. Homceocladia.
Frustula arranged in numerous, lunate, distant, parallel
series, within a tubular frond. Ay.—Name ; 'o/xo/o;, like or resembling,
and xXubog, a branch ; I presume from the branched
fronds.
1. H. Anglica, Ag. (English Homceocladia); filaments thrice
dichotomous.
"Plymouth," Agardh.— " Frond an inch and a half or more in length,
tubular, terete, erect, filiform, about one line thick at the base, gradu-
ally attenuated, containing numerous distant, parallel series of frustula,
trichotomous below, dichotomous above, obtuse at the apices. C'< lour
when dry opaque, olivaceous-green. Substance firm. It does not adhere
to paper." Ag.— Of this plant I am quite ignorant, nor does Agardh mention
from whom he received it. One other species is described, a native
of the Adriatic.
109. Berkeleya. Grev. Berkeleya.
Frustula in longitudinal series, within simple mucous filani<
nts, which are free at the extremity, but united below into a
roundish gelatinous mass.—Named in honour of the Rev. M.
J. Berkeley, A.M., an assiduous and accomplished British Botanist,
author of " Gleanings of British Alya'T
1. B. 1 fray 1 is, (J rev. (brittle Berkeleya.) Grev. Crypt. Fl.
t. 294. Ag. Conspect. Crit. DiaL p. 24.
Parasitic on Zostc/a niariuu, Fur evil' nia f(isti«'uita See. y Appin, dipt.
Curm'ulhicl. fippjngir- I'laut forming a roundish or oval, firm, gelatinous
ina.-o, of a brownish or olivaceous-green colour, and nearly half an inch
in diameter; from the substance of which issue numerous gelatinous,
.simple, tender, i\(jv, gradually attenuated filaments, apparently destitute
of external membrane, ami containing fusiform frustula.
110. Mh RaMEGA. Ag. Micromega.
l : rushtbi arranged in longitudinal series, within a cartilaginous
Or gelatinous frottd. Ay Named from ti/x-o:, small, and Layx;,
b/rt/r
,• in allusion to llu- frond le-M-mlding some of tin- IsfgSC
Alg;e. but composed internally of the frustula of the smallest
hinds.
1. M. qpiculdtum, Ag. (apiculdted Micromegaji fronds filiform
dichotomous or fasciculate, incrassated :i1 "' obtuse al the
extremities, which are apiculate. Aa. Conspect. ('/it. Dint.
p. l':>. —SchizofH ma apiculatum, Ay. Sj/st. \ly. . j>. 1 1.— Gloionema
apiculattttn, Grev. Crypt. FL t. :ln.
I. < . < $ynop$. ) p. 38.
—
Monema apicukUum, Grev.