408 Éu-Floride:, Ceratodictyes. 
lato-fastigiata, per totam longitudinem ita densissime constipata 
ut invicem fere conjuncta diceres, articulis plurimis cylindraceis 
constituta, Articuli supremi prcwecociores per zonam concentricam 
simul maturescentes, inferioribus articulis sensim insequentibus. 
Carpospore mature invicem libere. (nec gelatinà cohibitz) initio 
in zonam supra fila pregnantia colliguntur; sunt fere cylindrace:x 
et truncat: apicibus leviter rotundatis, suo diametro fere triplo 
longiores. Supra nucleum insuper cellulx minores coloratz:? angu- 
stato-rotundatee in zonam collecte? nunc adsunt, qu:ze strati inter- 
medii frondis sterilis reliquias fortasse sistunt. 
Nizymenia australis Sond. in Linnea vol XXVI, p. 521, Harv. 
Phye. Austral. t. 165, J. Ag. Epier. p. 997, Florid. Morphol. p. 125, 
t. XXIII, f. 9, Amylophora Colec J. Ag. Anal. algol. (1892), p. 1002, 
Areschougia conferta Harv. Alg. Austral. exsicc. p. 985 partim, 
Gelidium compositum Kuetz. Tab. Phyc. XVIII, t. 49. — Fronde 
lineari, prolificationibus a margine emergentibus decomposita ad- 
parenter pinnata, ultimis obtusis basique constrietis cuneato-li- 
nearibus. 
Hab. ad oras Nov: Hollandie australis (MuELLER, HARVEY,: 
RawrLmsox) et Tasmanisw (C. SruART). —  Frondes solitari: aut 
gregatim e callo radicali ampliusculo exsurgentes, 15-90 em. lon- 
ge, circumseriptione late expansz. Rami subsimplices, basim ver- 
sus attenuati et ad ortum eximie constricti, 7-19 cm. longi, pin- 
nis marginalibus nunc confertis nunc remotis irregulariter obsiti. 
Pinns superne iterum pinnulatee, pinnulis suboppositis conformi- 
busque. Color frondis sanguineo-ruber, exsiecatione vix mutatus. 
Substantia rigida, in sicco fere cornea ita ut specimina charte non 
adhzreant. Ab Areschowgia conferta Harv. genuina caute digno- 
scatur. 
Subfamilia IV. CERATODICTYEJS Schmitz. 
Ceratodictyee Schmitz [1889] Syst. Uebers. Florid. p. 9, Schm. et Hauptfl. in 
Engl. & Prantl Natürl. Pílanzenfam. p. 388. 
Frons ssepius spongiophila, irregulariter ramosa aut anastomosan- 
tibus ramis dense reticulata. Cystocarpia ovoidea, singula aut plura 
in ramulis propriis ssepius verruciformibus evoluta, nucleo intra ca- 
vitatem fructigenam erecto (non oblique inserto). l'etrasporangia plus 
minus regulariter eruciatim divisa. 

