650 Myxoptycese, Rivuiariaceee, Rivuiarla. 



europ. Alg. 11, p. 205, Gkeotrichia Brauniana Nave Vorarb. zu 

 einer Kryptogameiiil. I, Algen pag. 4i, Rai). Fl. europ. Algar. 

 ir, p. 202, Arescli., Alg. Scand. exs. ser. II, n. 3741 Gloeotrichia 

 angidosa Rab. Fi. europ. Algar. II, p. 201, 1865, Wood Contrib. 

 to the Hist. of the Freshw. Alg. of North America p. 47, Glwo- 

 trichia Boryana Rab. Fi. europ. aig. II, p. 201, Gloeotrichia gi- 

 gantea. Rab. Fi. europ. Algar. II, pag. 201, Gloiotrichia natans 

 (Hedw.) Rab. b. gigantea (Trentep.) Kirchn. Kryptog. v. Schies. 

 p. 222, Hennings Phyl^. Univ. n. 590! Gtreotrichia Brebisson- 

 niana Rab. Fi. europ. Aigar. II, pag. 203, Gloeotrichia Sprenge- 

 liana Rab. Fl. europ. Aigar. II, p. 203, Gloeotrichia minor Rab. 

 Fi. europ. Aigar. II, pag. 201, Gloeotrichia Sprengelii Reinsch 

 Die Aigenil. von Franlcen p. 50, Riv. radians Thur. var. Lyng- 

 byana Kirchn. Aigenfl. v. Schies. p. 223 (?), Glceotrichia incru- 

 stata Wood Prodr. p. 127, Contrib. pag. 45, t. 3, f. IV (?). — 

 Fronde giobosa, usque 10 cm. iata, i)uilata, cava, sordide oiiva- 

 ceo-viridi, moiii, fiiis iaxe consociatis, pressione faciie secedenti- 

 bus ; tricliomatibus 7-9 {x. crassis, olivaceis, in piium crassum at- 

 tenuatis; articuiis inferioribus doliiformibus, seque longis ac cras- 

 sis, superioribus diametro brevioribus ; sporis 40-250 [a. iongis, 

 sine vagina 10-18 [jl. crassis; tegumento exteriori saepe amplo, 

 usque 40 {i. diiatato, transverse unduiato piicato, hyalino vel fu- 

 scescente, superflcie Isevi. 



Hab. ad plantas submersas vel natans in fossis et stagnis tur- 

 fosis Islandiae (Lindsay), Suecise (Agardh, Wittrock, Nordstedt), 

 Fennise (Elfving), Daniae (LvNaBYE, Jensen, Liebmann, Vahl, 

 Hofman-Bang, Rosenberg, Jacobsen), Franconiae (Reinsch), Hoi- 

 saticTe (Richter), Siiesise (Kirchner) et passim Germaniae (Schroe- 

 DER, Lemmermann otc), Neeriandi* (Suringar), Belgii (Marissal, 

 De Wildeman, Flahault etc), Angliie (Harvey, Cooke, West), 

 GallisB septentrionaiis et occidentaiis (Bornet et Flahault, Lamy 

 de la Chapelle, Mougeot, Marissal), Helvetise in Liitzelsee (Wald- 

 vogel), in Katzensee (Cramer) et S.t Gaiien (Wartmann), Aisatios 

 (GiORGiNo), Itaiise (Del Torre, Passerini, De Toni, Forti, Ra- 

 benhorst), Germanice (Mertens, Al. Braun, Royers, Lemmermann, 

 Itzigsohn), Austriae (Beck, Hansgirg, Grunow), Hungarife (Gru- 

 now, IsTVANFFij, Gaiiciae (Gutwinski), Poionise (.\lexenko), Ros- 

 sife? (Dorofieff), in iacubus Ruliwa et Nyassa Africa3 trop. (Fuel- 

 lebobn), Sibiriaj (Kozlowski), Istria? (Hauok), Bohemise, Carin- 

 thiae, Dalmatiae (Hansgirg), Bosnia^ (PROTig), Tyroiioe (Hansgirg, 



