﻿44 Al.GAE. CySTOSEIRA. 



Ifiter rpjectameiita maris in portii Sehastianopolitano et 

 Sotcropolitano. 



2. FUGUS NODOSUS. 



F. caule compresso vesiculis iiinatis hic illic inflato, re- 

 ceptaculis lateralibus distichis pedimculatis pyriformil^us. 



^g, Spec, I. 85. Sy^st, 275. Turn, Hist, ^.91. Engl, 

 Bot, t, 570. Flor, Dan. t. 146. Esp. t. 7. Oo. 164. 



Frons e basi conica duos ad quatuor pedes longa, 

 duos ad quatuor lineas lata ct in vesiculas oblongas in- 

 terdum fere digiti crassitie inflala , subdichotoma , oHvaceo, 

 exsiccata nigra, sporangiis linearibus , oblongis aut ple- 

 rumque pyriformibus. 



In ora Brasiliae orientalis: cl. Tilesiiis, 



XXVIII. CYSTOSEIRA ag. 



Sporangia loculosa, tuberculata, tuberculis 

 pertusis includentibus gongylos subsolitarios aut 

 paucos gelatina inyolutos filisque articulatis immer- 

 sos, in thallo frondoso axillaria aut terminalia. 



F r o n s caulescens , caule fibroso - subcartilagi- 

 neo. Folia pinnata aut dichotoma^ inferiora expla- 

 nata, superiora filiformia in vesiculas concatena- 

 tas turgida, absqiie poris mucifluis. Color fuscus 

 rel nigricans. 



I. CYSTOSEIRA FIBROSA. 



C. foUis inermibus filiformibus ramosissimis , vesiculis 

 innatis ovato - ellipticis subconcatenatis receplaculis (iliformi- 

 bus terminalibus. 



^g. Spec, I. 65. Syst, 285. Turn. Hist, t. 209. Engl, 

 Bot. 1969. Stackh. Ner. Britt, t, 14. 



Basis calloso-scutata, Frons tripedalis et ultra. Cau- 

 lis strictus, teres , basi pcnnae cygneae crassitie, sensim 

 attenuatus, c foliis infeiioribus diHractis veluti tubercuiis 

 infcrne nodosus, utrinque emittens folia disticha , alterna, 

 cauli similia sed tcnuiova , in nova foliola per plures series 

 divisa , quorum summa setacea , plana sesquilineam longa et 

 simplicia , vel unguem longa el bifurca. Yesiculae in su- 

 periore parte foliorum innatae, eliipticac, fructus Viciae 

 magnitudine Ires vel quator concatcnatae vel interdum soiita- 

 riae , saepe foliolum euuttentes. Receptacula in foliis 

 terminalia, uncialia et ultra, fiiiforraia, tuberculata. Color 



