510 Myxophycefe, Scyfconemacese, Scyfconeraa. 



pars II, p. 182, 1873, Hedwigia XII, p. 173, Zell. in Rab. Alg. 

 n. 2344 ! Drilosiphon JiUianus A. Braun in Rabenliorst Alg. 

 n. 2463! — Strato pulvinato, nigro vel cinereo-cyanescente; filis 

 10-18 [j.. crassis, ad 3 min. longis, intricatis, pseudo-ramosis; 

 pseudo-ramis brevibus; vaginis firmis, fuscescentibas; trichomatibus 

 6-14 [i. crassis, olivaceo-viridibus; articulis diametro brevioribus 

 vel quadratis ; heterocj^stis subquadratis, luteis. 



Hah. ad terram, muros et rupes, pr^esertim umbrosas, necnon 

 in cryptis NorvegisB (Lyngbye), Sueciie (Agardh, Grunow in herb.), 

 Fennia; (Elfving), Arduennarum (Libert), Galliie meridionalis 

 et occidentalis (Bornet, Brebisson, Lenormand, Flahault, Mou- 

 geot), Helvetise (Al. Braun, Naegeli, Fruh), Germaniae (Al. Braun, 

 Kirchner), Hungaria? (Filarszky), Austri^e (Heufler, Beck, Engel, 

 Grunowj, Carinthiae (Schmidle), Bohemice, Dahnatia^ (Hansgirg), 

 «Riesengebirge» (Schroeder), Italife (Meneghini, Ardissone, Mar 

 tel), MaderjB (Grunow), Abyssinioe (Penzig, De Toni), «Kameruu» 

 Afr. trop. (Nordstedt), «Kakembe» Afr. Australis (Menyhardt), 

 Antillarum (Maze et Schramm), Jamaic^e (Lagerheim, Collins), 

 Cohunbise (Lagerheim), Brasiliie (Puiggari), insul. Bermudensium 

 (Farlow), Massachussetts (Setchell), Nebraska (BESSEY)et passim 

 Amer. bor. (Wolle), Indiae orientalis (Kurz), Ceylonaj (Ferguson), 

 prope Saigon Cochinchin» (Henry), Indiie Batavorum (Racirorski), 

 Koh Chang (J. Schmidt); in insul. Borneo (Leveille), Java (Mas- 

 sart) et ins. archipelagi Sandvicensis (Berggren, Lemmermannj, 

 in itis. Marchionalibus PoIynesi;e; in insula Mauritii (Jadin) et 

 Borbonia (Von Martens). 



26. Scytonema Hansgirgi Schmidle Hansgirg's Ind. Alg. in Allg. Bot. 

 Zeitschr. 1900, p. 78, Hedwigia 1900, p. 184, t IX, f. 17. — 

 Strato nigro; filamentis crispis, curvatis, srepe angulate curvatis, 

 brevibus, fragilibus, parce ramosis, pseudo-ramis brevibus, singulis, 

 raro geminatis, prostratis vel erectis, 12-18 [x. latis, apice non at- 

 tenuatis, late rotundatis, ssBpe prorsum curvatis; vaginis subtilibus, 

 valde luteo-brunneis, fragilibus, tetate provecta s^pe duplicatis,arcte 

 adha^rentibus; trichomatibus cylindricis, 10-16 [x. crassis, cellulis 

 rectangularibus, brevibus, 2-4 (x. rarius usque ad 8 [x. longis; cellula 

 apicali hemisphaerica, ceteris cellulis pallidiore, luteola, membrana 

 tenuissima vel nulla invaginata; heterocystis sparsis, brevibus, 

 rotundatis, trichomatibus oequicrassis, luteolis. 



FTab. in cortice arborum prope « Poona » Indioe (Hansgirg). 



37. Scytonema sicuium Borzi Morf. e biol. etc. in N. G. bot. it. XI, 



