oCO Eu-Flori(lerp, Solieriese, Rltabdonin. 



gunt, 6-30 ciii. longse, valde rainosse, ca^spitosse. Stipes crassus, so- 

 lidus, durus, semel aut bis furcatus aut irregularitcr divisus, ver- 

 ruciformibus papillis sffipe obsitus. Tetrasporangia in ramulorum 

 internodiis nidulantia. Stratus corticalis e cellulis minutis plurise- 

 riatis confectus. Fila medullaria dense conferta ita ut frons fere 

 farcta et solida evadat. Color intense ruber, in sicco obscurior et in 

 brunneum vergensi. Substantia mollis et succosa, ita ut specimina 

 exsiccatione chartce arcte adhffireant. 



G. Rhabdonia violacea J. Ag. Epicr. p. 595. — Fronde inferne cau- 'J^^ 

 lescente continua, superne tubulosa constricta, ramis majoribus 

 elongatis continuis, inferne in verticillos paucos collectis, plurimis 

 virgatim ramosis, ramulis ad stricturas sa^pius sparsis basi cximio 

 attenuatis, apice obtusis; cystocarpiis ignotis. 



Hah. ad Caput Bona^ Spei Africae austra.lis. — Colorem ha^c 

 species monstrat fere Grateloupiw, at structuram Rhahdonkv (tu- 

 bum interiorem filis repletum) et tetrasporangia (an revera zonatim 

 divisa?) in articulis supremis numerosas vidit speciei conditor. 

 Strictura' ita pauctne ut forsan melius inter species sectionis an- 

 tecedentis militaret. 



Si(h(jm. III. RoTRYOMORPHA J. Ag. Epiof. p. 595: fronde jnvcnili ramisqne nl- 

 timis snbarticulato-contractis, adnltiori snbcontiiina ramentis simpliciu- 

 sculis vesicseformibns obsita. 



7. Rliabdonia giobifera (Lamour.) ,T. Ag. Sp. p. 355 (excl. syn. plur.), mi 

 Harv. Phyc. Austral. tab. 129, Fucus glohiferus Lamour. in herb. 

 Mus. Paris. — Fronde juvenili ramisque ultimis subarticulato- 

 contractis, adultiore continua ramentis simpliciusculis obovatis de- 

 mum densissimis obsita; fructibus ignotis. 



Hah. ad oras occidentales Novng HoUandia^ (Clifton). — Radix 

 bulboso-tuberculosa, stipites plures aut singulos emittens, usque 

 ad 15 cm. longos. 1-2 millim. crassos, simplices aut alternatim 

 vel vage divisos, ramis erecto-patulis, onuiino simplicibus, virgatls. 

 partil)us junioribus ad nodos constrictis; stipes ramique quoquo- 

 versum ramulos 4-8 millim. longos, 3 millim. circiter crassos, sub- 

 horizontales, imperfecte verticillatos, obovatos, saccatos, obtusissi- 

 mos gerentes. Celluhe ramulorum peripherice singulo strato dispo- 

 sita^. Color ol^scure brunneo-rufus, in sicco obscurior. Substantia 

 rigida ita ut specimina exsiccatione chartce laxe ailhajreant. A spe- 

 ciebus- fcire conformibus Ckrysymenia Uvaria ot Chrysymenia oh- 

 ovala n^ii' nnii ;il) Areschowjia sedoidc cauto disiinguenda. Non- 



J 



