380 Rnoi)YMEME. Rkodymenia. 



Rliod. corallina Grev.; Hook, cl llarv. Crypt, antarct. p. 169. Lond, 

 Journ. IV p. b'44. Mont. Voy. Pol. Sud. p. -155! Bonit. p. 405! 



Ilab. ad oras Chilenses ocoani PaciDci (DTrville! lib. Binder!) 

 ad IN. /elandiam! Tasmaniani et ad Kerguelen Land (sec. Hook, 

 ct Harv.) 



Frons allitudine usque pedalis, latitiuline plerumque amplior, flabella- 

 tim late expansa, a stipite tcretiusculo scnsim dilatata, basique cuncata, 

 mox dichotoma, dichotomiis semipollicem circitcr distantibus 7 40:es 

 repetitis. Segmenta 34 lineas lato, axillis subrotundatis discreta, linea- 

 ria aut subcuneata. Cystocarpia in disco segmentorum penullimorum ses- 

 silia, plurima congregata, hemisphaerica, magnitudine capsularum Rb. pal- 

 niettijo. Spbflerosporarum sorus, segmentis subconformis, infra sinum 

 segmentorum tcrminalium descendens. Color ct substanlia Rh. palmellae. 



Rb. palmcttiB sine dubio proxima, magnitudine statim dignoscenda, 

 fructuum situ quoque diversa. 



7. RII. FLABELIJ FOLIA (Bory Voy. Coqu. n. 65) caulescens, stipito 

 elongate altcrnc ramoso, ramis in frondes flabellatim oxpansas 

 docomposito-dichotomas abcunfibiis, segmentis linearibus ctinea- 

 tisque, cyslocarpiis liemisplui'ricis in disco segmentorum pcnul- 

 tiaioruru congestis, spheerosporis. . . . 



Spbasrococcus flabellifolius Bory. I. c. lab. M. Kiilz. sp. Alg. p. 780. 

 Rhod. tlabollifolia Monl. IJonit. p. 405! 

 SphaDrococciis palmettoidcs Doty I. c. n:o G4? 

 Sph. palmetta var. australis Ag. Sp. Alg. p. 246 et Sysl. p. 2l. r i. 

 ? Rbod. palmetta Hook, el llarv. Crypt, anlarct. p. \ 69. Mont. Pol. 

 Sud. p. 456. 



Spli. tenuifolius Kiilz. Pliycol. p. 409 ! 



Ilab. in ocoano pacifico ad liltus Peruvi.'c et Chili (Ihimboldl! 

 D'lrville! lib. Diesing!) ad .Malouinas (Froycinet!). 



Radix librosa dicitur, caulo pedali ct ultra, filiformi, pcnnam colum- 

 liinam crasso, alterne ramoso, ramis pollicaribus plerumque brevissimis ct 

 stalim in I'rondes abeuntibus. Frondes \ J/^ 4pollicares, juniores cuneata3 

 dciiium flabellalaB ct decomposito-dichotomff, segmentis liuearibus, 23- 

 lincas hitis. Cystocarpia in segmentis penultimis plurima, bemispliajrica, 

 fere apiculata. Color quam in aflinibus magis purpurascens- substanlia 

 cadem, in caule uxiinic carlilaginea. 



Caulc evidcnti IUTC species a prioribus differt. 



Species mquireiuhe. 



H. UN? CORIACEA (Uooli. ct llarv. in Lond. Journ. IV. p. 5'/5) 

 Ironde crassa coriacca siccitate cornea flabelliformi palmalim 



