26 
Am, rhodantha (Delesseris rhodaniha Harv.) 
Am; multifida Lamour, 
Am. obtusiloba (Rytiphl. obtusiloba As). 
. Am. Duperreyü (Rytiphlaex Duperreyii Ag.) 
.- Amansia Binderi nov. sp. fronde pusilla lavera dieho- 
toma vageque .et suhflabellatim zonatis, sinubus laciniarım 
Sreueligeris, 
Hah. ad C. B. spei in Codio parasitioa; sp. ded. Bön- 
der! 
„Frondes ‚pusillae in superfeie Codii dense aggregatae, 
enbinformes vel irregulariter dichotomae, marginibus ob inci- 
suras prolifieationesque numerosas laceris. Segmenta caneafa, 
integra ineisa vel diehotoma, superiore margine rolundata, 
transverse zonata areolatayue, areolis subflabellatim versus 
basin laeiniae cuneatae coordinatis et subcostam in fronde- 
efficientibns, Processus fructiferi subheteromorphi in sinnbus 
agglomerati; Stichidia vamosa filiformia articnlate, artieulis 
diametro subaequalibus polysiphoniis, singula serie sphaero- 
spermia gerentia. “ Keramidia subglobosa in processubus, 
sphaerospermiorum similibus, brevissimo pedicello suffulta. 
5. Rytiphlaca Ag. Frons teretiuscula dichotoma, vel 
eompressa pinuato-decomposita, ecostata, artieulata. _ Sphae- 
rospermia in ramentis ultimis intumescentibus dupliei serie 
soordinata, Keramidia subglobosa- pedicellata, semina pyri- 
‚formia foventia.: Spevios sunts 
Ryt: complanata Ag. . 
Ryt. firma Ag. ı 
Ryt. cloiophylla ( Rhodomela oloiophj ylla Ag., aus 
cum Byt, eomplanata nentiquam confundenda est). 
Ryt. deuleata Ag. 
Ryt. tinctoria Ag. 
Ryt. pinastroides Ag. syn. (Riodemele sp. in oper- 
' poster.) 
