448 ALG& OF TASMANIA. 
Tribe 6. CrypronemMes, J. Ag. 
33. Chrysimenia coccinea, Harv.; fronde compressa (?), 
tubulosá, coccinea, circumscriptione pyramidali; caule sub- 
indiviso vel furcato; ramis alternis v. vagis, erecto- 
patentibus, dichotomé pinnatis, multifidis; axillis sub- 
acutis ; ramulis ultimis erectis, basi vix constrictis, apice 
acutis; coccidiis......? granulis triangule divisis in ra- 
mulis ultimis nidulantibus. 
George Town, V. D. L., R. Gunn, Esq., n. 1301.—Frond 
(a single specimen only seen) 4 inches high, tubular, with a 
few lax threads running tbrough the centre, apparently com- 
pressed. Stem as thick as bristle, undivided, or nearly so, 
beset from near the base to the apex with alternate or spiral 
multifid erecto-patent branches, the lowest longest, the rest 
gradually smaller upwards, all of them divided in a manner 
partly dichotomous, partly pinnate, the branches very erect, 
and the ultimate ramuli elongate and acute, slightly con- 
stricted at base. Colour a fine pinky red. Substance mem- 
branous and tender, but not very gelatinous. Granules im- 
bedded in all the ramuli. This plant has much the habit of 
Gracilaria, but not the structure. Mr 
34. Halymenia membranacea, Harv.; fronde plana, membra- 
naceá, pallide rubrà, lineari, basi cuneata, vagé subdicho- 
 tomo-pinnatim v. palmatim-fissá; segmentis patentibus, € 
margine ramenta lanceolata v. furcato-cuneata emittentibus} 
spherosporis (triangule divisis) per totam frondem sparsis. 
George Town, V. D. L., R. Gunn, Esq., n. 1276.—Fronds 
tufted, 3-4 inches high, quite flat and thin, membranaceous, 
cuneate at base, afterwards preserving nearly a uniform 
breadth of one to two lines, or in the largest specimen 
nearly } of an inch, very irregularly divided, more pinnatine 
than dichotomous, sometimes with several secund segments; 
sometimes palmate, or laciniate; the axils rounded, and the 
segments widely spreading or divaricated. ‘The margin m 
our specimens emits small ramenta, the youngest of which 
are linear, then lanceolate, and finally forked or - 3 
all attenuated at base. Colour a pale dull red. - watt 
