110 CERAMIE.E. Hanotda. 



Flal). iii caulihiis Caulini;ie Antarcticfc ad littiis occiJentule No- 

 vae Hollandioe (Preiss!) 



Frondes plures aggregatcP, digitales, cylindrica>, lineam crassap, basi 

 simplices, apice vel medio siibramosa>, ramis paucis dichotomis fasti- 

 gialis, frondi primari.T conformibus et vix tenuioribus. Subspongiosa, 

 colore roseo-riibro. 



XI? HaLOPLEGMA Mont. in Ann. Sc. Nat. 1842. Cent. Ilf, 



p. 28. Endl. Gen. Pl. Suppl. III. p. 36. Sond. Alg. Preiss. 



p. 24. Kutz. sp. p. 672. lihodopiexia Ilarv. in Ilook. Icon. 

 XIII. tah. 613. 



Frons foliacca spongiosa, filis articiilatis inonosiphoniis contexta. Fila 

 centralia inferne approximata parallela, snperne siihllahellatiiu 

 divergentia anastomosihus jiincta, ramos, tomentum utiiusque 

 paginie formantes, dense emittentia. Favellce in pustulis supra 

 paginaiu hemispliyerice prominentibus plures, nuda3 at filis am- 

 bienlihiis tectye, placent;e adfixa^, intra membranam liyalinam 

 gemmidia a placentula radiantia rotundato-angulata plurima 

 foventes. Sphwrosporce iii lilis peripliericis terrainales, splioe- 

 ricae friangule divisoe (sec. Sonder). 



Frondes planre foliacea\ flabeIlato-spathiilat;e demiimque pin- 

 nato-Iobata3, spongioso reticulo conIlat;ie. Fila reticulum constitu- 

 cntia, nonniilla longitiidinalia qiiasi costam costulasque forraantia, 

 ex quihus progrediuntur peripherica; illa inferne parallela et ad- 

 proximata, snperne flabellaliiu divergentia, frondi ejusqiie lobis for- 

 mam trihuentia; hac ad utramque paginam marginesqiie suhhori- 

 zontaliter egredicntia, ahbreviata; costis proxima anastomosihus jun- 

 cta, peripherica iibera incurva. Fila iitrius(|ue generis articulata 

 monosiphonia. 



Favelloe in verrucis supra paginam planam hemispluerice pro- 

 minentibus evoluta); verruca^ structuraiu frondis ofFerentes, filis pe- 

 riphericis incurvis qiiasi Involucrum formantibus, interiorihus pla- 

 centam in raraos pliires divisam constitiientibus; rami placent;i' 

 singuli cellnlis dicIiotoino-fastigi;itis conipositi, niicleuiu integrum 

 siihreniforme gerentes. Nuclei inlra gelatinam aiit luerabraiiam 

 evidenteiu geiniuidia i^Iuiiiua anguI;ito-rotuiid;ita, a celliilis placent;e 

 radiantia foveiit; nuclei nonnulli fertiles maximi, geinmidia cocci- 

 neo-coloratu gerunt, alii (abortientos aiit juveniles) rainiiti vix co- 



