Erz . 
"> "Hab, in mari mediterraneo, frohdes Zonariav squamariao 
perreptäns; ad ‚Cette Ipse! ‚ex Genna misit Martens! ü re 
“ Frons rosea vix pollicaris, arcte adglutinata, a centro 
-örbienlatim expansa; ramificatione inter pinnatam et dichoto- 
"nari Intermedia. ‚Segmenta evidenter costata, semilineam eir- 
titer Iata, Bhodomeniae 'oristatae forsan proxime collocanda, 
licet eosta a Bhodomentis recedit. ° 
“n Bihodomenin corticate nov. sp. froide plana Iineari 
irregulariter- dichotoino- -pinnata, - segmentis sensim. "angustio-. 
xibus,  ultimis Acuminatis, soceidiis apieulatis in fronde’ sas- 
- silibus. +" 
" "Hab. in mariCeylonam alluente, Zeynaud.! (Mus, Paris.) 
Frons 3—A-pollicaris, vix lineam lata, quasi erusta 
obdueta, : dichotoma romulisque brevioribus irregulariter pin- 
nata, segmentis supremjs elongatis acuminatis.. . Coceidia in 
media fronde .sessilia magna. :Color hepaticus; » suhstantia ' 
‚ zigidinscenla, on Pa .. j 
"Rhodomenia Iuergensii nov. sp. fronde plana lineari 
deeomposite distiche Pinnafa, -pinnis majoribus minoribnsäne 
ärregulariter alternis, pinnulis basi eximie auigustatis en 
aieato -linearibus apico serrgtis incisisve, % 
Hap.i in mari Kamtschatkam allnente; sp. mis. . Iuergens.! 
Erons purpureo -rosen, membranacea, 3 — &-polliearis | 
lineam vix lata,,- inferne -suhdichotoma, . superne pinnis ma- 
joribns minoribusgne ‚irtegulariter interspersis decomposite- 
pinnata. Pinnae pinnulaegue conformes, .minores basi eximie 
angustatae, seeundum "aetatern vel pinnellatae 'vel ineisae vel 
serratae. Stexilem tantum vidi, . 
Rhodomenia rostrata nob. Tronde eompressa sublli- 
formi desomposite dichotomo- pinnata, eoevidiis hemisphaeri- 
cis infra apicem subuliformem bifidumve ‚ramo inerassato im- 
mersis, sphaerospermiis in apice ramulorım sparsis magnis 
