.OC-T ME 
Eu-Floridee, Rhodymenie:s, Agardhinula. 023 
31. Rhodymenia cuneata Harv. in Hook. Fl. Tasman. II, pag. 9319, 
Phyc. Austral. tab. 295 est Epymenia cuneata (Harv.) J. Ag. 
92. Rhodymenia interrupta Grev. Syn. Als. Brit. pag. XLVIIE, J. 
Ag. Sp. II, p. 982 est. Phyllophora interrupta (Grev.) J. Ag. 
99. Rhodymenia tunaformis (Bertol. Zanard. Sasvio p. 47 est Cry- 
ptonemia? tunecformis (Bertol.). 
94. Rhodymenia Preissiana Sond. in Botan. Zeitung 1845, pag. 56 
videtur eadem species ae AZhodophyllis blepharicarpa Harv. 
55. Rhodymenia obtusata Sond. Ale. Preiss. pag. 44, J. Ag. Sp. II, 
p. 981 est Tylotus obtusatus (Sond.) J. Ag. 
AGARDHINULA De Toni [1897] in Botanical Gazette XXIII, n. 1, 
pag. 64 (Etym. a celebri phycologo J. AcanpH), Hedwigia XXXVI, 
Heft I, pag. (11), Dzploeystis J. Ag. [1896] Anal. algol. cont. III, 
p. 99 non Diplocystis Berk. et Curt. [1868] Cuban Fungi p. 9344, 
Saecardo Syll. Fungor. VII, p. 92. — Frons carnoso-membranacea, 
plana, dichotomo-laciniata, stratis duobus contexta, interiore cel- 
lulis rotundatis magnis pluriseriatis, extimis harum et intercala- 
ribus (spatia intercellularia dilatata occupantibus) series cellularum 
minorum constituentibus, exteriore cellulis minutis rotundatis vix 
in fila propria verticalia intra unicum ambientem conjunctis. Cy- 
Sstocarpia intra pericarpium hemisph:sericum, carpostomio regulari 
apertum, cellulis plurimis angulato-rotundatis contextum, nucleum 
rotundatum plano basali impositum filis nonnullis cinctum, carpo- 
sporis plurimis arete conglobatis constitutum foventia. Tetraspo- 
rangia intra stratum corticale magis gelatinosum in fila brevia 
evolutum sparsa, oblonga, cruciatim divisa. 
Obs. Genus quoad structuram anatomicam frondis eum Callo- 
phyllide conveniens, cystocarpiis vero extra frondem omnino ermer- 
sis et sua structura affinitatem potissimum cum CArysymenia 
praobens. 
1. Agardhinula Brownea (J. Ac.), Diplocystis Brownerm J. Ac. Anal. 
algol. cont. III, pag. 94, Callophyllis Browne J. Ag. Bidr. Alg. 
Syst. IV (VII) p. 56. — Fronde late expansa, dichotomo-subpalmata 
et a margine crassiusceulo sparsim elanduloso prolifera, segmentis 
validis distantibus, supra sinum rotundatum patentissimis, inferne 
linearibus, sursum dilatatis, juvenilibus cuneatis apice truncato 
aut obcordato, paullo adultioribus sensim oblongis obtusis. 
Hab. in Oceano Atlantico Indiam occidentalem h. e. littus Flo- 
