﻿— 103 — 



carnosa, coloreque in olivaccum facile abeunte. A Chondro 

 differt tota structura, habitu aliquando magnopere conveniens. 



195. Gr. Jilicina yJg. sp. p. 225. Hal. ramentacea dell. Chiaje 

 Hjdr. Neap. Tah. XFI. 



Hab. ad saxa sinuum majorum non nimium demersa, in utroquc mari 

 passim; in Mediterraneo usque ad Pozzuoli regni Neapolitani legi. 



194. Gr. dichotoma nov. sp. : fronde cylindraceo-cornpressa di- 

 chotomo-fastigiata , segmentis patentibus linearibus , ultimis 

 sajpe elongato-ensiformibus, favellidiis in segmentis termi- 

 nalibus. 



Hab. ad rupes et saxa refluxu maris subemersa in sinubus vehementiori 

 mari suboxpositis ad littora Galloprovinciaj et Niceaj mens. sept. ct oct. legi ; 

 etiam a Rlsso, Giraudi et Solier communicata. 



Frondes 1 l/2-3pollicares a basi scutata ciespitosae, per dichotomias 

 numerosas subflabellato- tastigiatSB. Segmenta omnino linearia e.t lineam fere 

 lata, super axillas acutiusculas patentia; terminalia obtusa aliquando quasi 

 articulato-constrictn, ssepius valde elongata iDcurva in superiore parte glo- 

 merulos sporarnm gcrenlia. — Color et substantia antecedentis, cui, nisi 

 tota obstaret ramificalio, Cliondrani potius suadens, lubenter adjunxissem. 



195. Gr. verruculosa Grev. Sph. verruculosus Ag. sp. p. 266. 



Hab. adrupesrefluxumaris emersas soleque expositas, ad liltora Gallopro- 

 vinciae et Italiae superioris; ex Corsica giganteam misit Leveille! 



Cum signo dubii a Greville ad Grateloupiam relata , me ju- 

 dice, gcneris sp, genuina. 



Lxiii. GiGARTiNA Lumour. reform. 



Froris cellulis multangulis in fila anastomosantia coordinatis , 

 in centro densioribus, versus superficiem in fda moniliformia 

 densissime stipata abeuntibus constituta. Fructus duplex : Fa- 

 veUidia intra stratum externum, in pericarpium subregulare 

 denique pertusum abiens , nidulantia , intra reticulum filorum 

 anastomosantium undique ambientium sporas in glomerulum 

 congestas foveotia, Sphcerosporce oblongse, e cellulis periphericis 

 formatee^ in sporas 4 divisse. — Algae cylindricae aut compressa;3 



