464 Plimozoosporina', Artlu'oclaiUace;p, Chuoospora. 



Ciciuis incertas seJis, Artlirocladitp, ut viJetur, proximum. 



CHNOOSPORA J. A;.\ [1847^. Alg. Liebin. consp. p. 7, Sp. I, p. 171 

 j:tyiii. chnous tomentum et spom senien). Kuetz. Sp. p. 569, De 

 Toni Syst. Uebers. Fucoid. 1891, p. 17G, — Frons e cylindraceo 

 compressa, repetite dichotoma, ecostata. cellulis elongatis prismati- 

 cis in centro vix densioribus contexta. Fila fertilia clavato-moni- 

 liformia articulata densissime stipata sterilibusque ramosis longe 

 articulatis cincta, in verrucas juxta mediura frondis dispositas 

 conjuncta; fructificatio fere Arthrodadia;. 



Ohs. Frons, a radice callosa nuda surgit filiformis, sed e cy- 

 lincb-aceo evidenter compressa, marginibus rotundatis, repetite di- 

 chotoma. CeUulEe valde elongatfe angulatae et subprisraaticse, in cen- 

 tro aHquantulum densiores, costam taraen veram haud constituen- 

 tes, interiores subinanes, superficiales minores coloratse. Verrucae 

 in utraque pagina latiori frondis compressce prominentes, fere secus 

 lineam mediam longitudinalera dispositae, fifis densissiine stipatis, 

 a peripheria frondis verticaUbns constant. Ffia verrucarura media 

 moniliforraiter articulata et subclavata, articulis rotundatis uucleum 

 coloratum foventia, centralia rectiuscula breviora, his proxima in- 

 curvata et paulo longiora, omnia denique hsec serie filorura rarao- 

 sorum longe articulatorura sterilium cincta. Fila moniliformia, si- 

 lifiuosis filis Arthrocladwi evidenter analoga, zoogonidia e nucleo 

 traiisformato orta fovere, suspicari licet. Fila sterifia in exsiccatis 

 et madefaetis arcte s;epe invicem cohi.erent et cuticulam propriam 

 imrao ;i3mulantur. J. Ag. 1. c. 



1 Chnoospora fastigiata J. Ag. Alg. Liebra. p. 7, Sp. I, pag. 171, 



Kuitz. Sp. p. .5G9. — Frondibus c;espitosis a c;xlIo radicali nume- 

 rosis erectis decomposito-dichotomis fastigiatis, segmentis e cylin- 

 dniceo compressis patentibus, axillis acutis. 



Hnh. in'oce;ino P;icifico ;xd littus raexicanum (Liebman) ct 

 Atlantico ad oras Venezuehi? (Binderi. — Var. pacifica J. Ag. Sp. 

 I, p. 172, Chnoospora pacifica J. Ag. Alg. Liebin. p. 7, Kuetz. Sp. 

 p. .")69, Tiib. Pliyc. IX, t. 86, f. I: fronde regulariter dichotomo- 

 lastigiata, segmentls omnibus conforraibus nudis. In oceano P;ici- 

 fico ad littus Mexicanum (Liebm.\n, Sonderi. — Frondes ab expan- 

 sione radicali scutata nuda ca'spilose proveniunt, mediocres,b;isi ima 

 indivisne, mox diciiotonue, per lotiim longitudineiu lequales, e cy- 



