5;^8 Phaeozoosporin», Ectocarpaceas, Ectocarpus. 



Kuctz. [1849] Sp. Algar. p. 461 ex parte. ? Calospermum et Opo- 

 spermum Rafin. (1814] Somiol. n. 56-57, Confervcv, Ceramii, 

 Spongomorpho} sp. auct. veter. — Frons ut in Pylaiella Bory, arti- 

 culis vegetativis rarissime (passim) loculatis; filamenta erecta non- 

 numquam tantum inferiori parte ramosa; organa fructus sistentia 

 externa, semper singulatim loco ramoruni lateralium obvenientia; 

 sporangia unilocularia plerumque globosa, ellipsoidea vel breve piri- 

 formia, sessilia aut pedicellata, poro apicali instructa; sporangia 

 plurilocularia forma varia, plerumque ovoidea vel siliquasformia vel 

 anguste subuliformia, sessilia aut pedicellata, saltem maxima ex 

 parte longitrorsum pluries locellata, sajpius poro apicali donata, sub- 

 inde apice in pilum articulatum desinentia. 



Sect. I. Species pusilhe, rarissime centimetrum altituJine excedentes, fere 

 omnes epiphytieae, minus frequenter conchicolffl vel saxicolac. 



Obs. Ceterum cfr. varietates ct formas nonnullas in sectionibus II-III allatas. 



1. Ectocarpus terminalis Kuetz. Phyc. german. p. 236, Sp. p. 458, ss7 

 («luoad speciniina in Faco vesiculoso ex insula Helgolandia!), Kjellm. 

 Skand. Ectocarp. t. II, f. 7, Handb. I, p. 73 (an Reinke Algenfl. 

 westl. Ostsee p. 42?), Reinb. Phajosph. Kiel. Fohr. 1893, p. 30, Ecto- 

 carpus pygmceus Aresch. partim. — Csespitulis parum conspicuis, 

 filis primariis ad 15 u. latis, plus minus pseudoparenchymatice 

 confluentibus, filis erectis 9-10 u. latis, simplicibus parceve ramosis, 

 articulis cylindraceis, diametro jequalibus vel duplo longioribus; 

 sporangiis plurilocularibus ovoideis aut oblongis, sajpe paullum in- 

 curvis, 68-88 » 20, terminalibus lateralibusve, breve pedicellatis ; 

 sporangiis unilocularibus ovatis, terminalibus. 



Hah. ad Algas majores, imprimis Fucos, ad lapides et c o n - 

 chas ad insulam Helgolandiam (Kuetzi.ng), in mari baltico prteci- 

 pue in portu Chilonensi (Reinke, Reinbold), ad Cladophoras, Ahn- 

 feltiam plicatam, Furcellariam fastigiatam ad littora 

 Finmarchife et Bahusiae (Kjellman), ad U doteam pr. insulam Por- 

 toricum (Sintenis, Hauck). — C;^spituli imperspicui, 750 ^. ad 1 mm. 

 alti. — Ectocarpus termmalis Kuetz, 1. c. in Himanthalia 

 cpiphyticus prope « Dover » a claro Naegeli lectus, videtur eadem 

 specios !ic Sfrcbloncma minimum (Naeg.). 



2. Ectocarpus simpiiciusculus Ag, in Bot. Zeit. 1827, p. 639, Sp. 11, sss 

 p. 47, J. Ag. Sp. I, p. 16, Ectocarpus irregularis Kuetz. Phyc. 

 gencr. (1843), p. 234, Sp. i). 451, 'i'ab. PJiyc. Y, t. 62, f. 1, Hauck 



