538 Phaeozoosporinae, EctocarpaceaB, Ectocarpus. 



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

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

 Spongomorphm 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 ramorum lateralium obvenientia; 

 sporangia unilocularia plerumque globosa, ellipsoidea vel breve piri- 

 formia, sessilia aut pedicellata, poro apicali instructa ; sporangia 

 plurilocularia forma varia, plerumque ovoidea vel siIiqua3formia vcl 

 anguste subuliformia, sessilia aut pedicellata, saltem maxima ex 

 parto longitrorsum pluries locellata, soepius poro apicali donata, sub- 

 inde apice in pilum articulatum desinentia. 



Sect. I. Species pusillje, rarissime centimetrum altitudine excedentcs, ferc 

 omnes epipliyticae, minus frequenter conchicolae vel saxicola^. 



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



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



(quoad specimina in Faco vesiculoso ex insula Helgolandiat), Kjellm. 

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

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

 carpus pygmwus Aresch. partim. — Caespitulis parum conspicuis, 

 filis primariis ad 15 u. latis, plus minus pseudoparenchymatice 

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

 articulis cylindraceis, diametro aequalibus vel duplo longioribus; 

 sporangiis plurilocularibus ovoideis aut oblongis, saepe paullum in- 

 curvis, 68-88 =* 20, terminalibus lateralibusve, breve pedicellatis ; 

 sporangiis unilocularibus ovatis, terminalibus. 



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

 chas ad insulam Helgolandiam (Kuetzing), in mari baltico prajci- 

 pue in portu Chilonensi (Reinke, Reinbold), ad C I a d o p h o ra s, Ah n- 

 feltiam plicatam, Furcellariam fastigiatam ad littora 

 Finmarchioe et Bahusia3 (Kjellman), ad U doteam pr. insulam Por- 

 toricum (Sintenis, Hauck). — Ca?spituli imperspicui, 750 fx. ad 1 mm. 

 alti. — Ectocarpus terminalis Kuetz, I. c. in Himanthalia 

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

 species ac Streblonema minimum (Naeg.). 



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

 p. 47, J. Ag. Sp. I, p. 16, Ectocarpus irf^egularis Kuetz. Phyc. 

 gencr. (1843), p. 234, Sp. p. 454, Tab. Phyc. V, t. 02, f. 1, Hauck 



