Myxophyceae, O.scillatoineaj, Oscillatoi-ia. 151 



hist. Nat. XII, p. 468, Oscillatoria mascarenica liory 1. c. XII, 

 p. 470, Oscillatoria daplisecta Kuetz. Alg. aq. dulc. Dcc. VIII, 

 n. 126, Oscillaria Pollinii Menegh. Consp. alg. Eug. p. 8, 1837, 

 Oscillaria maxima Kuetz. Phyc. gener. p. 190, Phyc. gerra. p. 161, 

 Tab. Phyc. I, p. 33, t. XLIV, f. 11, Sp. p. 248, Rab. Alg. exs. 

 n. 1601 3191 1122! Arc. in Erb. Critt. Ital. II, n. 1324, 0. princeps 

 var. neodamiensis Itz. in Rab. x\lg. n. 239, Osc. princeps c. ma- 

 xima Rab. Fl. Eur. Alg. II, pag. 112, Lloyd Alg. de TOuest de 

 la France n. 377, Hauck et Richt. Phyk. univ. n. 84 ! 0. princeps 

 crassissima Rab. Fl. Eur. loc. cit., Osc. imperator Wood Prodr. 

 Freshw. Alg. of eastern north America p. 124, Freshw. alg. of N. 

 America p. 20, Wolle Freshw. Alga3 of U. S. p. 317, t. CCVIII, 

 et in Rabenh. Alg exs. n. 25351 Web. van Bosse in H. et R. Phyc. 

 Univ. n. 398, Osc. princeps var. cyanogena De Not. in Erb. critt. 

 it. II, n. 482! Osc. imperator b. &m.«7/en;?w Nordst. in Wittr. et 

 Nordst. Alg. aqua3 dulcis exsicc. X, n. 494, Lyngbya princeps 

 Hansg. Alg. von Bohm. p. 119, — Trichomatibus saturate terugineis 

 in stratum atro-viride agglomeratis, rectis, rigidis, siccitate fra- 

 gilibus, non torulosis, 16-60 \).. crassis, apice leviter attenuato 

 plus minusve grosse granuloso uniformiter farctis; dissepimentis 

 nunquam granulatis ; cellula apicali superne convexa, calyptra 

 nulla. 



Ilab. primum limo affixa, deinde natans in aquis limpidis 

 (luietis vel lente fluentibus frigidis aut thermalibus in Suecia 

 (Nelson, Boye, Lemmermann}, Norvegia (Wille), Dania (J. Schmidt), 

 Anglia (Bennett, Cooke, West), Hibernia (West), Batavia (Su- 

 ringar), Gallia (Bory, Brebisson, Vaucher, LenormandI Lamy 

 DE LA Chapelle, Rousset, Durieu, Thuret, Libert, Lloyd, Mou- 

 GEOT, Gomont), Germania (Rabenhorst, Richter, Stizenberger, 

 Kirchner, Reinsch, Kuetzing, Lemmermann), Helvetia (Kuetzing, 

 DilGGELi), Austria (Beck, Schiedermayr), Illyria, Dalmatia, Carin- 

 thia (Hansgirg), Tirolia (Hansgirg, Dalla Torre), Italia (Pollini, 

 Meneghini, De NoTARis, Arcangeli, Del Torre, Forti), Bosnia 

 (GuTwiNSKi, Karlinski), Polonia (Kozlowski, Gutwinski), Ilun- 

 garia in montibus Pieninen (Filarzky), Rossia (Riabinine, Iwa- 

 Now), Sibiria (Kozlowski), Algeria (Montagne), ins. Ceylona 

 (Ferguson, Grunow, West), in ditione Siamcnsi (Volz), Australia 

 (Moebius), Sumatra (Weber van Bosse), Java (Raciborski), « Rio 

 Solimoe» Amer. mer. (Dickie), Brasilia (LofgrenI), .Eiiuatoria 

 (Lagerheim), Portorico (Moebius), Jamaica (Collins), Guadalupa 



