675 



gata , ramis longioribas minusqae arraatis. y. ? vaiida; fronde 

 robusta, firina, nunc ramiiicatioiie arcnata, unilateral! ; iiune subal- 

 ternatim pinnata. — Peconic - Bay ; Narragansett Pier ; I'rovi- 

 dence; Weymouth Pier, Quincey, Massachusetts; 7. Charleston Har- 

 bour, S. Carolina. 



Chrysymenia Enteromorpha Harv. ; fronne saccata, fusiform!, 

 subcompressa, delicate membranacea, prolifero decomposita; frondi- 

 bus seeundariis tertiariisque basi valde coiistrictis, apice attenuatis, 

 sineordine ubique ad latera et apicem frondis primariae orientibus. 

 — Westkikste, Florida, selten. 



Cfirysymfu'ia kalymenioides Harv.; fronile compressa , late li- 

 neari, basi cuneata, dichotoma, fastigiata ; axiilis rotundatis, lacioiis 

 ^ivaricatis , mere obtusis; conceptaculis hemisphaericis, prominen- 

 tibus, sparsis. (Tab. XX. A.) — Westkiiste, selten. 



C/tr?/.s/,wif7Ufl (Cryptarachne) Agardhii Harv.; fronde gelatiiioso- 

 if'embranacea, plana, dichotome fissa , laciniis basi cuneatis , aplce 

 attenuatis, undulatis, margine inaequaliter eroso-dentatis; processi- 

 bus marginalibus interdum in lobos linearcs elongatis ; conceptacn- 

 'is acuminatis , super lacinias sparsis, (Tab. XXX. A.) — West- 

 'iuste, selten. 



Chrysymenia (Qvy^i^xd^chnt) ramosissima Harv.; fronde inferne 

 compressa, superne tereti , distiche ramosissima; ramis patentibas, 

 axillis rotundatis , basi et apice attenuatis, sensim angustioribus 

 et repetite compositls, minoribus margine parce spinosis ; ramulis 

 aat filiformibus , aut fertilibus fusiformibus, acutis, irregulariter spi- 

 nulosis j conceptaculis depressis, aut ramulis fusiformibus immersis, 

 spliaeroideis. (Tab. XXX. B.) — Westkiiste, selten. 



Chrysijrnenia? (CryptarachnePj acanlhoclala Harv.: caule sub- 

 ^'fl'uso (laxe celluloso, axi dense celluloso-fibrosa) , divaricatim ra- 

 "losissimo , irregulariter decomposito ; ramis distichis , graciiibus, 

 ^^Ide atteuuatis, divaricatis, flexuosis, alternatim decompositis. acu- 

 '^atis , ramulis brevibus, subdistichis, spiniformibus, subulatts, acu- 

 ^ divaricatis. (Tab. XXV.) — Westkiiste, sehr selten. 



Acrotylus cUwatus Harv.; fronde e stipite filiform! ciavata, 

 ■"■cti, obtusa, simplici aut furoata (ramis tunc clavatis), apice pro- 

 'ifera. — Westkiiste. 



Orateloupia Gibbeui Harv.; fronde (1— 2-pedali) plana, basi 

 "eata, polymorpba, lanceolata aut cuneiform!, simplici, furcata, aut 

 ^f*>atim multifida; laciniis loagissimis; lanceolatis, acutis, margine 

 ^gi'a, autrepanda, aut lobis linearibus, subinde in pinnas elongt- 



-rJ-" 



