The English flora - SeaweedAfrica

ULGM. 253
• woolly filaments. Frond cylindrical or flat, nerveless (except
in Haliseris), thin, entire or divided, often fiabelliform. Fruc-
tification ; roundish-ovate, pear-shaped or club-shaped seeds
enveloped in a pellucid case, covering the surface, or scattered,
or forming minute spots or transverse lines. The seeds in most
cases are produced beneath the epidermis, through which they burst
and become prominent. Grev.
13. Chorda. Frond simple, filiform, cylindrical, with an
interrupted cavity. Foot naked, scutate. 'Fructification ,• ex-
ternal continuous masses of pear-shaped seeds, fixed by their
base. Grev.
14. Asperococcus. Frond tubular, cylindrical, continuous,
membranaceous. Foot minutely scutate, naked. Fructification
; distinct spots composed of imbedded seeds, mixed with
erect, club-shaped filaments. Grev.
15. Plnctaria. Frond simple, membranaceous, flat, with
a naked scutate root. Fructification scattered over the whole
frond in minute distinct spots, composed of roundish prominent
seeds, intermixed with club-shaped filaments. Grev.
16. Striarta. Frond filiform, tubular, continuous, mem-
branaceous, branched. Root naked and scutate. Fructification ;
groupes of roundish seeds, forming- transverse lines. Grev.
17. Dictvosiphon. Frond filiform, tubular, continuous,
branched. Foot minutely scutate, naked. Fructification
ovate, scattered seeds, lying beneath the epidermis. Grev.
18. Dictvuta. Frond flat, highly reticulated, membra-
naceous, diehotomous or irregularly cleft ( palmato-ffohelliform
in J), o/oiiuirid). Foot a mass of woolly filaments. Fructification
composed of scattered, or variously aggregated, Bomewhat
prominent seeds, on both surfaces of the frond. Grev,
19. Cutx£ria. Frond piano-compressed, cartilagineo-mem-
branaceous, subflabelliform, irregularly cleft. Jloo{ a mass «»t
woolly filaments. Fructification; minute tofts ofcapsules, scat-
tered on both surfaces of the frond, the capsules pedicellate, containing
several distinct granules, Grev,
20. Pad/na. Frond flat, highly reticulated, subcoriaceous,
flabelliform, mostly undivided, marked with concentric lines.
Hoot a mass of woolly filaments. Fructification ; ovate, black-
ish seeds, fixed by their base, bursting through the epidermis in
compact concentric lines, (rarely >|» mostly
of the frond* Gn r.
•_' l
. rlALfsERis.
on one surface
Frond tint, linear, membranaceous, with a
midrib. Hoot a mass of woolly filaments. Fructification; ovate
;