Phaeozoosporinae, Ectocarpacese, Isthmoplea. 569 



SOROCARPUS rnngsh. [1862] Beitr. ziir Morph. der Meeresalgcn p. 

 12 (Etym. sofos ciuiiulus et carpos fructus), De Toni Syst. Uel)ers. 

 Fucoid. 1891, p. 181, Kjellni. in Engl. & Prantl Natiirl. Pflanzen- 

 fam. GO. Lief. pag. 187, Reinb. Ph^oph. der Kieler Fohrdo (1893), 

 p. 33. — Frons ut in Ectocarpo. Sporangia plurilocularia in fila- 

 mentis racemose congesta. Sporangia unilocularia hucusque ignota. 



1. Sorocarpus uvaeformJS (Lyngb.) Pringsh. Beitr. zur Morph. der 979 

 Mecresalgen p. 12, t. 3, f. 1-8, Hauclc Meeresalgen p. 393, fig. 137, 

 Reinb. €>h9eoph. Kiel. Fohrde p. 33, Kjelhii. 1. c. f. 132, A, Ecto- 

 carpus siliculosus {j uva?formis Lyngb. Hydrophyt. Dan. p. 132, 

 t. 43, D. — Charactcres generis. 



Kdb. in hipidibus et algis majoribus in raari Baltico ad «Hof- 

 mannsgave » Fionise (Lyngbye), ad « Sondenburg » (Reinke) , ad 

 «Biilk Kuck» (Reinbold); in oceano Atlantico ad oras insulae 

 Helgolandia^ (Pringsheim) ; ad insulam «Miquclon» (Hariot). 



ISTHMOPLEA Kjenm. [1877] Algveget. Murm. Mecr. p. 31, Alg. of 

 Arctic Sea p. 276, Handb. Skand. Hafsalgflora I, p. 81, Engl. 

 ct Prantl Natiirl. Pflanzenfam. 60. Lief. p. 189 (Etym. isthmos 

 isthmus et pleos plenus), De Toni Syst. Ucbcrs. Fucoid. 1891, p. 

 181, Capsicarpelloi, Ectocarpi sp. auct. — Frons ut in Pylaiella, 

 filis crectis cximic cvolutis repctitc et maxima cx partc opposite 

 ramosis; sporangia unilocuhiria ad articulos vegetativos hiteralia, 

 singula aut bina (opposita), globosa; sporangia singula s?epius ra- 

 mulo (eodem modo ac sporangio exoriente) opposita. 



1. Isthmoplea sphaerophora (Carm.) Kjenm. Alg. of Arct. Sea p. 276, oso 

 Handb. I, pag. 82, Ectocarpus splmrophorus Carm. in Hook. Br, 

 Flora II, p. 326, Harv. Phyc. Brit. t. 126, J. Ag. Sp. I, p. 17, 

 Capsicarpella spha^rophora KjeUm. Bidr. skand. Ectocarp. p. 20, 

 t. 1, f. 2, Ectocarp^is cruciatus Ag. Sp. II, p. 44 saltem ex parte. 

 — Fifis dccomposito-ramosissimis, ramis ranuifisque oppositis, ul- 

 timis patentibus strictis, articulis diametro sesquilongioribus cyfin- 

 draceis; sporangiis sphaericis, ad fila sessifibus, oppositis verticifia- 

 tisque, 40-50 a. diam. 



Hah. ad afias Algas in Oceano Atlantico ad littus Britannise 

 (Carmichael, Harvey), in oceano arctico ad oras Norvcgiae (Kjell- 

 MAN, Kleen) et in mari Albo (Gobi); in occano Atlantico ad «Nahant» 

 Americffi; an eadem spccies in mari Mediterraneo ad Massiliam ? 



