Myxopliycea?, Oscillatoriese, Oscillatoria. 189 



acutis; articulis diaiii. 2-3-pIo brevioribus; coiitentu tenui-granu- 

 loso; dissepimentis grauulatis, 



Hab. in tluvio (luodani strata obscure viridia elliciens in India 

 ad «Westghats, Igatpuri ». 



81. Oscillatoria terebriformis (Ag.) Gom. Monogr. p. 234, t. VII, f. 21, 447 

 .1. Schniidt Cyan. Dan. p. 76, Wille et Wittr. in W. et N. exs. 



n. 11941 Bohl. in W. N. et Lag. exs. n. 1535! Oscillaria tere- 

 briformis Ag. Aufzahl. in FI. X, p. 634, 1827, Kuetz. Phyc. gen. 

 p. 185, Phyc. Germ. p. 158, Spec. Alg. p. 239, Tab. Phyc. I, 

 p. 28, t. XXXIX, f. VII, Rab. Fl. Eur. Alg. II, p. 98 var. excl., 

 Lynghya Oheni (Ag.) Hansg. b terehriformis (Ag.) Hansgirg 

 Prodr. II, p. 110 (cfr. Schwabe in « Linnaea » 1837, p. 117), nec 

 Menegh. fide Gom. — Strato atro-chalybeo; trichomatibus flexi- 

 libus, inferne rectis, superne laxis spiralibus et terebriformibus, 

 rarius tantummodo uncinatis, ad genicula non constrictis, 4-6,5 [x. 

 crassis, apice leviter attenuatis; articulis quadratis vel diametro 

 2-pIo brevioribus, 2,5-6 [x. longis, contentu granuloso dissepimenta 

 obducente farctis ; cellula apicali rotundata aut quasi truncata; 

 calyptra nulla. 



Hah. aquas calidas sulphureas ad Karlsbad RohemiaB (Agardh, 

 Hansgirg), Upsala Suecioe (Wille, Wittrock), in thermis ad Vi- 

 nadio (Macchiati) et prope Senas Italia; (F. Tassi;, ad «Guagno» 

 Corsic;e (Leveille); in Dania (J. Schmidt), ins. Azoricis (Bohlin), 

 Asia australi apud Saigon (Henry) et in Sibiria (Ivozlowsky) ; 

 eadem species in lacu « Solfatara » et in thermis Hungarise ac 

 Plinianis Helveti;e sec. Rabenhorst lecta dicitur. 



82. Osciilatoria Grunowiana Gom. Monogr. p. 235, 0. terebriformis 448 

 Levier in Erb. Critt. it. II, fasc. XV, n. 713 p. p. I, non Ag. — 

 Strato obscure virescenti; trichomatibus dilute serugineis per totam 

 longitudinem in spiram laxissimara plus minusve irregularem con- 

 tortis aut passim rectis, fragilibus, ad genicula constrictis, 3,7-5,6 [j.. 

 crassis, apice non aut vix attenuatis, subcapitatis, rectis aut curvatis; 

 articulis diametro usque 3pIo brevioribus, rarius quadratis, 1,4-4 [j.. 

 longis, contentu tenui granuloso farctis; dissepimentis interdum 

 granulatis; cellula apicali rotundata vel quasi truncata; calyptra 

 nuUa. 



Hah. aquas thermales ad Bormio Italite (Levier), fontes Dal- 

 matia^ apud Jaderam (Fraueneeld); in insula Zacyntho (Weiss in 

 Herb. Tiiuret) ct in Numidia prope Biskra (Sauvageau). 



83. Oscillatoria beggiatoiformls (Grun.) Gomont Monogr. Oscill. p. 235, 449 



