100 Myxopliycefe, Chroococcaceie, Ccjelospliserium. 



1. Coelosphaerium Kuetzlngianum Naeg. Gatt. einz. Alg. p. 54, t. I C, 

 (iiiclusis C. Ncegeliano Ung. et C. Wichurce Hilse) Rab. Fl. Eur. 

 Alg. II, p. 55 ex parte, Kirchn. Alg. Schles. p. 254, Cooke Brit. 

 Freshw. algae p. 213, t. LXXXVir, f. 1, Farl. in W. et N. Alg. 

 cxs. n. 692! Richt. in Rab. Alg. Eur. n. 1791! Mori et Lodi in 

 Erb. Critt. It. Ser. II, n. 1852! Coll. in Coll. Hohi. et Setch. Phyc. 

 Bor. Anieric. n. 553! Hansg. Prodr. II, p. 142-143, CaUosphcerium 

 Naegelianum Ung. Mitth. der naturw. Ver. in Stejermark, II Band, 

 I Heft, Tab. II, Borge Schwed. Siisswasserplankton in Botaniska 

 Notiser 190O, pag. 10, tab. I, fig. 5, Leitgeb Ueber Coelosphaerium 

 Naegelianum Ung. tab, 1, Kirch. in Rab. Alg. Eur. exs. n. 2423, 

 Schmidle in Migula Kryptog. Germ. Austr. et Helv. exs. II, n. 14! 

 Cvclocystis Kuetzingiana Naeg. in Kuetz. Sp. Alg. p. 200, Coelo- 

 spJia^rium ? Wichii>ra3 Hilse in Rabenh. Alg. n. 1523! Fl. Eur. 

 Alg. 11, p. 55. — Familiis sphsericis, 30-60 [x. latis, cellulis sub- 

 globosis vel ovalibus vel elongatis, 2-5 {j.. crassis, idem vel paulo 

 longioribus, geminis vel quaternis vel etiam deinde irregulariter 

 dispositis, contentu lerugineo, subtiliter granuloso ; tegumentis 

 achrois, celerrime diffluentibus, gelineis, 



Hah. libere natans et rarius tlores aquae conficiens per totum 

 orbem passim, imprimis per Germaniam (Rabenhorst, Kuetzing, 

 HiLSE, Richter, Kirchner, Klebahn, Lemmermann, Apstein, 

 ScHROEDER, Strodtmann, Reinbold ! etc), Daniam in insula Jylland, 

 ins. Faeroenses (Ostenfeld, Boergesen, Wesenberg-Lund), Sueciam 

 (Wittrock, Nordstedt, Lagerheim, De Toni, Forti, Borge, Try- 

 bom), Norvegiam pr. Christiania (Wille), Bohemiam (Hansgirg), 

 Riesengebirge (Schroeder), Helvetiam (Naegeli, Chodat, Schroeter, 

 Bachmann, Amberg, Waldvogel), Angliam (Cooke, Bennett, Fritsch, 

 RoY, West), Hiberniam, Scotiam (West), Poloniam (Raciborskij, 

 Galiciam ("Gutwinski), Hungariam (Istvanffi), Albaniam in lacu 

 «Scutari» dicto (Forti), Lapponiam (Bohlin), Fenniam (Levander), 

 J>osniam (Gutwinski, Protic), Tyroliam (Schroeder), Italiam prope 

 Veronam (Forti) et in Benaco (Kirchner, Garbini, Forti), prope 

 Parmam (Mach) et in horto botanico genuensi (Martel), Belgiam 

 (Marchal), Indiam Neerlandensem in loco «Tjiomas» dicto (Mas- 

 sart), Amer. bor. (Farlow, Nelson), Terram Francisci Josephi 

 (^Borge); ad «Usafua» Africae centralis (Schmidle). — Plurimi aucto- 

 res, ex. gr. cll. Leitgeb, Borge, Lemmermanu etc, monent speciem 

 O.dosphcjeriam Naegelianum Ung. a Ccelosphcerio Kuetziagiano 

 Naeg., prtesertim magnitudine familiarum, esse distinguendam; alii 



