Gfespitoso-floccosa, rarius in slratiim pulvinatum extensa, 

 a'ruginea, œtate fiiscescente ; filis 2 centimelra altis, 9-12,5 p. 

 crassis, repelite pseiido-ramosis ; pseudo-ramis erecto-paten- 

 Libus, ilexiioso-ctirvalis; vaginis membranaceis, tenuibus, 

 ad basim rainorum plernmqiie inflatis, hyalinis vel lutescen- 

 tibus; Inchomatibiiscirca 10 [x crassis, cylindi icis, œrugineis ; 

 arliculis dianielro a^-qualibiis vel longioribus; heterocyslis 1-4, 

 ssepius incoloiibiis (v. v.). 



Hab. ad plantas submersas vel natans in aquis Iranquillis 

 Norvegirc (Nordstedt, !) , Sueciœ (Agardh !, Areschoug !, etc.), 

 Daniœ (Hofman-Bang !), insularum Fteroensium (Lyngbye!) ; 

 Anglifc (Harvey!), Neerlandias (Suringar!), Gallire!, Helve- 

 Lite (Wartmann !) , Gennaniœ (Kûtzing !, A. Braun !), Austriœ 

 (Grunow !), Italiœ (Marcucci !) ; ad insulas Afitillarunn 

 (Mazé !) el Nov?e-Galedonia^ (Vieillard, n°2l84!), 



?>. T. tennis Kiitzing 



Pliijcologia fjenei alis, p. 228, 1843; Species Mgar., p. 313; Tabulœ phijcolo(i., tl, p. 9, 



lab. 31, lig. Il, e. speciiii. autlicnt. in herb. Lenormand!; — Habenliorst, Algen, 



n° 1373! ; Flora evrop. Alrjar., II, p. 273; — Lloyri, Algues de l'Ouest, n" 387! - — 



firiinow, Reise <ler Fregatte Norara um die Erde, Algen, p. 32: — Kircliner, Knjp- 



logametiflovu von Sclilesicii, Algcn, p. 227; — Willrocket ^ordslcdl, Algœ exsiccatœ, 



n" 672!; — (non Desmazières, /'/. crgplog. de France, scr. II, fasc. ni, n° 137). 

 ScLEHOTHRix C ALMTR rCH.E Kiitzint;, Atgar. aq. dulc. Dec. II, n° 17, 1833!; e specini. 



autlieiit. in lier h. Lenormand!; Tabulœ pligcolog., II, p. Il, lab. 311, fig. I, (planta 



junior); Species Algarum, p. 319. 

 C.ALOTHRix DisïORTA Aresclioug, Algœ scandiinivicœ c.rsiccaiœ, ser. I, n" 83!, 1841; 



scr. II, n" 191 !; — (non Harvey, nec Aresclioug). 

 Hypheotiirix Calmtrich^ Kiitzinti', Pligcologia generalis, p. 229, 1843; e spocim. 



anilient. in licrii. Lenormand!. 

 ToiAi'oïiiRix PYr.M,E.\ Ktitzing, l'injcologia generalis, p. 227, 1843; Species Algar., 



p. 313; Tabulœ phgcolog., II, p. 9, lab. 31, fig. IV; e specim. aulhent. in herb. 



Lenormand!; — Rabenliorsl, Algen, n" 973!; Flora europ. Algar., H, p. 275; - 



Nave, Vorarbeiten lueiner Krgplogamenflora,\. .4lgen, p. 41. 

 ToLVPOTHRix RUFKSCENS Ilassall, Brilisli fresh-icater Algœ, p. 241, tab. 69, fig. V, 



1845; — luilzing, Species Algar., p. 315. 

 ToLïPOTHRix PULCiiRA, Kabonhorst, Algen, n" 191!, 1852; — Suringar, Observaliones 



plii/cologicœ, p. 41 (forma Icmiior); — ■ (non Kabenhorsl, Algen. u" 1779; non Kiilzing), 

 Tni.YPoTHRix FLACCIDA de Bary, in Rabenliorsl, Algen, n» 3li !, 1853; — (non Kiitzing). 

 Tni.YPOTHiux /EGAGROPii.A p. Kneikfii de Bary in Rabenliorsl, Algen. ii"4l2!, 1855. 

 ToLYPOTHRix ANDiNA Montagne, Huilieme Centurie de plantes cellulaires nouvelles, 



p. 4, in Ann. des se. nat., 4» sér.. Bol., VI, p. 182, 1856; e specim. aulhent. in herb. 



Mus. Par. ! 



ToLYPOTHRix Wautmanniana Rabenhorsl, Algen, n"768!, 1858; Flora europ. Algar.. 

 II, p. 276; — Aresclioug, Algœ scundinap. e.esicc, ser. II. n" 378!; — Borzi, Mor- 



