432 HYPNEACE.E. Caulacantlnis. 



Strato rnedullun ccllulis angustis, in ct-llulas ex- 



terioivs scnsiiu abeuntibus 

 constitute . . . LXX. HYPNEA. 



TRIBtIS I. CAULACANTHEJE. Frons s..l>tub..losa, nxi monosi- 

 phonio articulato percursa. 



LXYHT. CAULACANTHUS KMZ. Phycoi. p. 395. sp. Aig. p. 



753. Olivia Mont. Fl. A/g. p. '126. Sphrcrococci, Gelidii, Gi- 

 gartinre et Flypnenc sp. Anclor. 



Frons torelinscula aciileato-ramosissima, carlilaginea, juvenilis tu- 

 biilosa liiis contexla, adulta cellulis fero implcta; juvenilis axi 

 monosiplioiiio articulato tlexuoso, alterno excurrenlo in ranios 

 poly-dichotomos cbrymboso-fastigiatos , stratum periphericuin 

 forraanles, constituta; adulta axi contrail, collulis rotnndatis 

 siibconliguis , periplieriaui versus minoribus, cincto constans. 

 Cyslocarpia . . . Sph&rospone inter lila peripherica ramulo- 

 rum evolutoc, aggregate, oblonga}, xonatim diviste. (Mont. Fl. 

 Alger. tab. 16 fig. 3). 



Frondes pulvinato-caespitosse, intricato-ramosissima?, (ill formes et 

 niinuta3, ramulis patentissimis divaricatisque subuJatis in ramos sen- 

 sim excrescentibus densissirae obsite, pnrpureo-fuscescentes, exsic- 

 catione fere nigricantos, recentes subcarnosa3, exsiccata) fere car- 

 Ulagineae. Structura in partibus juvenilibus et adultis valde diversa: 

 in jui'enilibus frons tubulosa axi contrail monosiplioiiio articulato, 

 endocbroina coloratum intra tubum hyalinuin fovente, percurritur; 

 rami ex hoc egrediuntur plerumque allerni, prope axin simplices, 

 mox poly-trichotomi et peripheriam versus dicbotomi, corymboso- 

 fastigiati, arliculati, articulis intra tubum laxum byalinum endocliroma 

 cylindraceum sen sursum dilatatuiu foventibus, terniinalibus I'otun- 

 dato-oblongis; adulla frons tota cellulosa; rami culm ex axi egre- 

 dicntes Ha densi ut articuli cellulas subcontiguas efficerc adpareanl; 

 celluliu rotundato-oblongte, peripbericae minorns, omnes endocbroina 

 colorutum foventes. Spbserosporae in partibus juvenilibus inter fila 

 peripherica evolutac, in ramulis Icviter intumescentibus cirrumcirca 

 dcnsissime dispositoc, oblonga;, intra perisporiuin laxum byaliiumi 

 xonatim quadridivis'0. Cystocarpia nondum observata. 



('.onus a Kiitzingio primum distinctum, characteribus minus bone 

 indicalis; dcin a Monlagneo sub novo nomine ct charactcrc refor- 



