Eu-Floridez,, Rhodymeniez, Rhodymeuia. 517 
dens. Color et substantia AKAodymenice Palette, a qua et ma- 
gnitudine frondis et situ fructuum statim dignoscitur. 
19. Rhodymenia cinnabarina (Dies.) J. ^g. Symb. Cont. I, pag. 447, 9! 
Sp. IL. pag. 382, Halymenia cinnabarina Dies. mscr. — Fronde 
e:spitosa, plana, expansa, dichotomo-palmatidivisa et a margine 
prolifera, axillis acutis, segmentis cuneato-linearibus margine cre- 
nulatis, apice rotundato-obtusis. 
Hab. in mari Indico (Hb. DrEsrxc). — Frondes 7-10 em. longse, 
a callo plures exeuntes, basi cuneate, distantià circ. 1 cm. jam 
summam latitudinem, 1-2,5 cm., adeptze, dichotom:e vol subpal- 
mate et a margine prolifere. Segmenta basi initio cuneata, mox 
rotundata vel pedicello brevi ad marginem affixa, dein cuneato-li- 
nearia, apice rotundata et obtusa, marginibus crenulata, crenulis * 
minimis. Cellule superficiales minute rotundat:, sine ordine dis- 
posite. Color cinnabarino-ruber. Substantia membranacea subcar- 
nosa. AJ&hodgyimenie coralline (Bory) Grev. proxima, sed magis 
irregulariter fissa, margine crenulato et prolifero axillisque magis 
acutis et colore omnino cinnabarino distinguenda. Quid sit 5pA«- 
rococcus platyphyllus Kuetz. Phyc. gener. p. 410, Sp. p. 781, J. 
Ag. Sp. II, p. 382 (ex India orientali) plane ignoro. 
19. Rhodymenia foliifera Harv. Phyc. austr. Syn. p. XL, n. 508, J. 94 
Ag. Epicr. pag. 331, AHAodymenia corallina Harv. Alg. Austral. 
exsiec. n. 381 B? (non Greville)J. — Fronde a stipite simpliciu- 
sculo flabellatim expansa, decomposito-dichotoma, segmentis linea- 
ribus; eystocarpiis ssepius foliola propria prolificantia occupanti- 
bus, nune per frondem sparsis, supra paginam elevatis; tetraspo- 
rangiis infra apicem segmentorum sorum rotundatum formantibus. 
Hab. ad oras australes et occidentales Nov: Hollandis, Ta- 
-smanie et Nove Zelandie (HanvEy). — Color roseus. Substantia 
membranacea. A proxima Aodymenia corallina (Bory) Grev., 
quacum olim confusa fuit, caute dignoscatur. 
19. Rhodymenia capensis J. ^g. Anal. algol. II, pag. 58. — Fronde 912 
flabellatim expansa, decomposito-dichotoma, foliolis intra marginem 
fere a media parte folii oriundis; tetrasporangiis in strato corti- 
cali foliorum prolificantium nematheciose aggregatis. 
Hab. ad Caput Bons Spei Africe australis (J. AcaARpH). — Ha- 
bituas Rhodymenic foliiferee Harv., a qua sedule distinguatur. 
14. Rhodymenia flabellifolia (Bory) Mont. Voy. Bonite pag. 105, J. 949 
Ac. Sp. II, p. 380, Epicr. pag. 931, SpA«erococcus flabellifolius 
Bory Voy. Coquille n. 65, tab. 17, Kuetz. Sp. p. 780, Tab. Phyc. 
