— 164 — 
Ch. coccineus. (Kg. nov. sp.) Ch. parvus, stipite tereti 
pbycomate plano, ambitu flabellato suborbiculari, basi dilatato 
lobato, lobis irregulariter multifido- dichotomis, segmentis pa- 
lentibus linearibus abbreviatis, ultimis hinc minutis acutis far- 
catis, illinc latioribus obtusis rotundatis vel emarginatis , vel 
scutellatim constrictis. Substantia firma coriacea; color pur- 
pureo-coccineus. — „Wagap.““ Nova Caledonia: Vieillard. 
Ch. rhodophyllus. (Kg. nov. sp.) Ch. minor, phyco- 
mate slipitato, regulariter dichotomo, segmentis patentibus 
linearibus abbreviatis obtusissimis, plerumque emarginatis. — 
Cap. bonae spei: Pappe. 
Ch. duriusculus. (kg. nov. sp.) Ch. minor stipitatus, 
phycomate complanato firmo cartilagineo-coriaceo, dichotomo 
segmentis patenlibus linearibus attenuatis, summis irregularibus, 
dilatatis, bine. denticulatis, illinc seutellatim constrictis. Color 
coccineo-purpureus. — Unp. bonae spei: Venturini. 
Ch. scabiosus. (Kg. nov. spec.) Ch minor, stipitatus, 
leres, sursum leviter complanatus, dichotomus, superficie hirtus, 
segmentis patentibus, ultimis inaequalibus, plerumque obtusis, 
terelibus, ovato - oblongis. Substantia siccitate cartilagineo- 
cornea; color purpureo-flavescens, obscurus. 
Ch. edulis. (Rg. Spec. nov.) Ch. parvus, phycomate 
carlilagineo crassiusculo, toto papilloso, subtereti irregulariter 
ramoso, ramis brevibus approximatis omnibus curvatis, bi-trifidis, 
vermieularibus, apice leviter attenuatis. Color obscure olivaceus. 
— Nova Caledonia. „Les indigènes mangent cette algue.*' 
Vieillard. 2060. 
Sarcothalia Novae Hollandiae. (Kg. nov. sp.) S. grandis, 
pedalis et ultra, latifolia; phyllomate cartilagineo- pergameno, 
olivaceo-purpureo, subbipinnatifido, jugamento latissimo (1—2" 
lato) curvato ; pinnis inaequalibus foliaceis, lanceolatis inferiori- 
bus dilatatis, plerumqne apice incisis vel proliferis; eystocarpiis 
parum elevatis, immersis, per totum phycoma utrinque sparsis. 
— Ad oras Novae Hollandiae. 
Chondroclonium versicolor. (Rg. sp. nov.) Ch. phyco- 
mate spithamaeo, gracili basi ramoso, ramis complanatis elon- 
gatis, bipinnalis, utrinque sensim attenuatis, pinnis pinnulisque 
inaequalibus approximatis, pectinatis, acutis, oppositis. Color 
aerugineo-purpurascens. — Chile. 
‚Euhymenia polychotoma. (Kg. nov. sp.) E. mediocris, 
lubrica, plana, phycomate inferiori plus minusve dilatato, basi 
eunealo, lobato, lobis llabellatim dichotomis segmentis inferioribus 
attenualis, superioribus subaequilatis, apice obtuse bilobatis vel 
emarginatis, sinubus rotundatis. — Nova Caledonia: Vieillard. 
. Euhymenia dentata. (Callymenia dentata J. Ag.) E. 
major, spithamaea, coriacea, crassa, obscure et fusco-purpurea, 
