54 Cyclosporinas, Sargassac.eaj, Sargassum. 



Tribus III. Biserrulai J. Ag. Sp. Sarg. Austral. t. XXVII-XXVIII, p. 91 : 

 Receptaculorum fruticulo demumracemum, swpius magis contractura, formante, 

 receptaculis juvenilibus decomposito-ramosis, ramis in rachide ipsa sterili 

 sensim separatis, adultioribus in pedicello subsingulis ex ancipite angulatis, 

 marginibus serrato-dentatis, scaphidiis latera planiuscula occupantibus. 



Y iLiciFoLiA J. \g. I. c. p. 92: Foliis ad basim plus minus conspicue obliquis, 

 nempe interiore margine leviter exciso integriusculis, exteriore foliique parte 

 superiore saape dentatis, cryptostomatibus conspicuis s.-epe hiantibus; vesiculis 

 in petiolo latiore sphaericis nunc marginatis nunc oblongis aut obovatis. 

 * Foliis ecostatis aut costa evanescente instructis. 



s:;. Sargassum spinifex Ag. Syst. p. 304, Kuetz. Sp. p. 609, J..Ag. i 

 Sp. I, p. 312, Sp. Sarg. Austral. p. 92, t. XXVII, I, Fiiciis spini- 

 fe.i- Mert. mscr. fide Kuetzing. — Rachidibus ramorum filiformi- 

 bus nuiic glanduloso-muriculatis, foliis minutis subcuneato-falcatis, 

 interiori margine exciso integriusculis, exteriore latiore grosse den- 

 tato, subecostatis, cryptostomatibus paucis prominulis instructis; 

 vesiculis in petiolo teretiusculo iis tequilongo, sphsericis, minutis, 

 glandulosis. muticis ; receptaculis compressis obovoideo-oblongis, 

 subcurvatis, exteriori margine grosse spinosis, demum in ramulo 

 fertili brevi racemosis. 



Hah. in Oceano Indico tum ad littora Ceylome et Sinarum, tum 

 ad oras Novaj Hollandi» superioris et inferioris, usque ad insulas 

 « Norfolk » et « Dick Hartog » (Askenasy, Exped. Gazelle). — Spe- 

 cies haec duplicem praebet formam, unam densissime vestitam (more 

 Rliodomeke lycopodioidis) in limite maris magis expositam vigen- 

 tem, alteram laxioi-em ramulisque inagis dissitis obsitam et in pro- 

 fundiori aqua verisimillime crescentem. Folia (in planta evoluta 

 pra^sentia) pauca millimetra (5-7) longitudine superantia, supra pe- 

 tiolum angustiorem fere cuneatim dilatata at obliqua leviterque 

 falcata. Vesicula' perpusilke, vix 2 mm. latit. excedentes. 



84. Sargassutn Agardhianum Fail. in Farl. Anders. & Eaton Alg. 

 oxsicc. Ainer. bor. n. 103, .T. Ag. Sp. Sarg. Austral. p. 93. — I!a- 

 chidibus ramorum compressis at filiformibus, foliis plurimis inlV- 

 rioribus grosse dentato-serratis, longitudine dentium latitudinem 

 totius folii superante, vix conspicue costatis, supremis inffiquilate- 

 ralibus, uno margine sparse dentibus paucis serrato, altero sub- 

 inerini; vesiculis in petiolo brevlssimo subinde spinula instructo 

 crista obsoleta quandoquidem marginatis, nunc dentoin unicum nunc 

 gominos terminales gerentibus; receptaculis una cum vesiculis) in 

 i'amuIo axillari congestis, bi-evissimis. oblongis, apioc i't margino 

 dentatis, dentibus longis quasi spinula;forinibus. 



