1566 Eu-Floride?e, Grateloupiacese, Grateloupia. 



V. Phyllymenice J. Ag. Act, Holm. 18i7, p. 8G, Epicr. p. 154 (partim): fronde 

 carnoso-membranacea plana latiori, simpliciuscula aut divisa, demum pin- 

 nata, pinnis a margine folii senilis et reducti sgepe provenientibus, cysto- 

 carpiis per frondem sparsis aut hic illic aggregatis. 



20. Grateloupia Lanceola J. Ag. Sp. II, p. 182, Epicr. p. 154, Halt/- 2453 

 menia Lanceola J. Ag. Syiiib. I, p. 10, Halarachnion Lanceola 

 Kuetz. Sp. p. 722, Platoma tingitana Schousb. Alg. n. 30-5 (fide 

 Bornet). — Frondibus carnoso-planis, lineari-lanceolatis, acuniina- 



tis, margine plano subintegerriniis, subsimplicibus, a disco radicali 

 aut ex margine frondis senilis provenientibus ; cystocarpiis per in- 

 ferioreni frondis partem sparsis. 



Hab. in oceano Atlantico calidiori ad oras HispanijiB nieridio- 

 nalis et prope « Cap. Spartel » (Schousboe); ad oras SenegambicTe 

 (Crouan). — Frons juvenilis siniplex lineari-lanceolata, margine 

 processibus minutis quandoquidein obsita aut his magis evolutis, 

 in lobos conformes abeuntibus, parce divisa; frons adulta constat 

 (sa3pe) parte quadam frondis senilis, cujus ex margine aut apice 

 truncato frondes novelise pinnatim aut digitatim exeunt. Prolifica- 

 tiones frondi juvenili conformes, basi apiceque attenuat«, 6-12 

 millim. latie, 4,5-9 cm. longae. Cystocarpia in inferiore parte pro- 

 lificationum et in superiore parte frondis primariaj sparsa. Stru- 

 ctura generis. Color violaceo-purpureus, iterum madefactse palle- 

 scens. Substantia gelatinoso-carnosa; specimina exsiccatione chart;B 

 arctius adhrerent. 



21. Grateloupia Gibbesii Harv. Nerois Bor. Amer. tab. 26, J. Ag. 2454 

 Epicr. p. 154. — Frondibus simpliciusculis aut parce divisis, a 

 foliolo senili angustiore provenientibus numerosis, carnoso-planis, 

 lineari-lanceolatis, utrinque longe acuminatis, margine plano de- 

 mum ligulato-dentatis; cystocarpiis per infimam partem angusta- 

 tam et incrassatam densis. 



Hab. in oceano Atlantico ad oras Americse borealis calidioris 

 (Lewis R. Gibbes, Harvey). — Frondes dense CEespitosa^, 15-50 

 cm. longse, laciniis planis, 1-4 cm. latis, utrinque attenuatis, ra- 

 mificatione polyinorpha. Cystocarpia sparsa (nondum matura vidit 

 Harvey). Color atro-purpureus, in sicco virescens aut lividus. Sub- 

 stantia carnoso-membranacea. Cum Grateloupia? dubia Zanard. 

 comparanda ha3C species videtur. 



22. Grateloupia gigartinoides Sond. in Linn^a XXVI (1853) p. 517, 2455 

 n. 51. — Fronde membranaceo-carnosa, basi teretiuscula com- 



