Verzeiohniss der neuen Arten. 195 



177. 0. spirale Hirn, 1900. 1. c. 27, p. 201, T. 33, 206. Asia. 



178- 0. spurium Hirn, 1900. 1. c. 27. p. 301, T. 24, 131. America austr. 



179. 0. subredum Hirn, 1900. 1. c. 27, p. 141, T. 20, 102. America austr. 



180. 0. taphrosporum Nordst. et Hirn, 1900. 1. c. 27, p. 133, T. 16, 91. America austr. 



181. 0. tentoriale Nordst. et Hirn, 1900. 1. c. 27. p. 248, T. 42, 260. America austr. 



182. 0. Uleamim Hirn, 1900. 1. c. 27, p. 311, T. 48, 308. America austr. 



183. 0. urceolatum Nordst. et Hirn, 1900. 1. c. 27, p. 293, T. 14, 81. America austr. 



184. ümifhocercus quadratus Schutt, 1900. Bot. Ztg. 58, p. 254, fig. 1—4, 12—13 auf 



p. 255—256. 



185. 0. Steinii Schutt, 1900. 1. c. 58, p. 260, fig. 7 auf p. 255—256. 



186. Oscillatoria limnetica Lemm. 1900. Ber. D. B. G. 18, p. 310. Deutschland. 



187. Peridinium acicidiferum Lemm. 1900. Ber. D. B. G. 18, p. 28. Deutschland. 



188. P. berolinense Lemm. 1900. 1. c, 18, p. 308. Deutschland. 



189. P. Marssonii Lemm. 1900. 1. c, 18, p. 28. Deutschland. 



190. Phaeocystis globosa Scherffel. 1900. AViss. Meeresunters. N. F. 4. Helg. I, p. 1. 



Helgoland. 



191. Phormidium Hansgirgi Schmidle, 1900. Allg. bot. Zeitschr. 1900, Sp.-Ab. p. 7. 



Vorderindien. 



192. Pithophora pachy derma Schmidle, 1900. Allg. bot. Zeitschr. 1900, Sp.-Ab. p. 1. 



Vorderindien. 



193. Plectonema Hansgirgi Schmidle, 1900. Hedwigia 39, p. 183. Vorderindien. 



194. Plearococctis sulphurarius Gald. 1899. B. A. Napoli, ser. 3, vol. V, 1899, p. 162. 



Protococcus vulcanicus Ces. ined. — Solphatara von Pozzuoli. 



195. Polycgsüs amethystina Filarsky, 1900. Hedwigia 39, p. 139. Ungarn. 



196. Porphyra occidentalis Setch. et Huss, 1900. Zoe vol. V. 



197. Prorocentrum scutellum Schroeder, 1900. Mitth. zool. Stat, Neapel XIV, p. 14, T. I, 



12. Neapel. 



198. Pteromonas aculeata Lemm. 1900. Ber. D. B. G. 18, p. 94, Taf. III, 11. Europa. 



199. P. Chodatii Lemm. 1900. 1. c. 18, p. 94 = Pt. angulosa Chodat. 



200. P. cordiformis Lemm. 1900. 1. c. 18, p. 94 = Chlamydococcus alatus Stein p. p. 



201. P. protracta Lemm. 1900. 1. c. 18, p. 94 = Chlamydococcus alatus Stein p. p. 



202. P. rectavgidaris Lemm. 1900. 1. c. 18, p. 94 = Chamydococcus alatus Stein p. p. 



203. Pyrocystis lanceolata Schroeder, 1900. Mitth. zool. Stat. Neapel XIV, p. 13, T. L, 



11. Neapel. 



204. Rhaphidium pyrenogerum Chod. 1900. Mem. de l'herb. Boiss. I, No. 17, p. 9. Däne- 



mark. 



205. Rhabdoderma lineare Schmidle, 1900. Ber. D. B. G. 18, p. 148, T. VI, 8—11. 



Deutschland. 



206. Rhadinocladia Farlowii Schuh, 1900. Bhodora II, p. 112, PI. 18. Massachusetts 



207. Rhodochorton islandicum Rosenv. 1900. Bot. Tidsskr. 23, p. 75. Island. 



208. Rüodopliysema Georgii Batters, 1900. J. of Bot. 38, p. 377. PI. 414, 8—13. England. 



209. Rividaria Hansgirgi Schmidle, 1900. Allg. bot. Zeitschr. 1900, Sp.-Ab. p. 3. Vorder- 



indien. 



210. Schröderia belonophora Schmidle, 1900. Ber. D. B. G. 18. p. 146, T. VI, 67. Deutsch- 



land. 



211. Scytonema Hansgirgi Schmidle, 1900. Allg. bot. Zeitschr. 1900, Sp.-Ab. p. 7. Vorder- 



indien. 



212. S. macidiforme Schmidle, 1900. 1. c. p. 6. Vorderindien. 



213. Scytonema Steindachneri Krasser, 1900. Ann. Wien. Hofmuseum XV, 173. Triest. 



214. Sipiionocladus brachyartrus Svedel. 1900. Sv. Exped. Magell., Bd. III., p. 304, T. XVI, 



2—3, T. XVIII, 1—11. Magellanslaender. 



215. Spirogyra rupestris Schmidle, 1900. Allg. bot, Zeitschr. 1900, Sp.-Ab. p. 1. Vorder- 



indien. 



216. Spiroggra tolosana Comere, 1899. B. S. B. France III, 6, p. 168, Taf. 111. Frankreich. 



13* 



