65S Myxophyceee, Rivulariaceae, Rivularia. 



cnAEiAS 0., Lemmbrmann, Apstein), Poinerania (A. Schmidt), Si- 

 lesiu (Schmula), Anglia et Hibernia (Smith, Cooke, West etc), 

 l)Orussia (Schroeder;, nec non in lacnbus Dania3 (Jacobsen, We- 

 senbeeg-Lund) et in sinii Fennico (Gobi), in Suecia (Lemmermann, 

 Braun), Anatolia prope «Tznik» (Forti), America bor. prope Min- 

 neapolim (Tilden) Twin Lakes Conn. (Holden). 



B) EuKivULAUiA Kirclin. in E. & P. N. Pfl. p. 90. — Species sporis incognitis, 

 filamentis gradatim acuminatis. 



12. Rivularia australis Harvey Some account of the marine Botany 

 of the Colony of Wester-i Australia, p. 566, 1854, Phyc. Austr. 

 p. 61, n. 786, Sond. Alg. Austral. hact. cognitse pag. 42, n, 1047, 

 Boru. et Flah. Rev. II, p. 362. — Frondibus initio hemisphaeri- 

 co-pulvinatis, confluentibus, demuin globosis, 2 cm. latis, atro-vi- 

 ridibus, substantia molliuscula; vaginis indistinctis, in gelatinain 

 amorpham confiuentibus, hyalinis vel luteolis; trichomatibus basi 

 angustis, 3 [x. diam., superne 5-7,5 [j.. crassis, hete cerugineis, in 

 pilum attenuatis; cellulis inferioribus elongatis, superioribus diam. 

 triplo brevioribus, ad genicula contractis. 



Hah. ad palos submersos ad littora atlantica Galliie (Lespi- 

 nasseI); ad oras Australiie (Sonder, Harvey). 



13. Rivularia mesenterica Thur. Ess. p. 332, Etud. phyc. p. 4, Born. 

 et Flah. Rev. II, p. 359, Flah. in W. et Nordst. Alg. exs. n. 863 ! 

 Rioularia magna Kiitz. Actien 1836 ! (haud descripta), Rividaria 

 fticicola Zanard. Sopra le Alghe del Mare Adriatico, Lettera se- 

 conda p. 4, 1840; Syn. Alg. in mari Adr. hucusque collect. (1841), 

 p. 41 (144), Rioularia hullata J. Ag. Alg. M. Mediterr. pag. 9, 

 1842; Zanard. Synops. Alg. in m. Adr. hucus. collect. p. 41, non 

 Berkeley, Heteractis mesenterica Kiitz. Phyc. gen. p. 236, Tab. 

 phyc. II, tab. 20, pag. 62, fig. IV; Sp. Alg. pag. 334; Pkysactis 

 pilifera (3 fuscescens Kiitz. Sp. Algar. pag. 332, Tab. phyc. II, 

 pag. 19, tab. 58, fig. II, Pliysactis htUlata Rab. alg. n. 571! 

 Hohen. Alg. mar. sicc. n. 457, Erb. critt. ital. n. 287! .Vrdiss. 

 Enum. delle Alghe di Sicil. in Comment. della soc. critt. ital. I, 

 pag. 401 ; Langenbach, Die Meeresalg. der Ins. Siz. und Pantell. 

 pag. 1, non Kuetz. p. p. Physactis pulchra Cram. Alg. Stud. 

 in Hedwigia, II, n. 11, p. 62, et in Rab. Alg. Eur. exs. n. 1450, 

 Rivularia plicata forte var., Marcucci Unio itineraria cryptoga- 

 mica n. 54, 1866!, Rivularia nitida Ard. et Straff. Enum. alg. 



