1. Älaffififati'on* 9 



36. Colacium, g(o{)frcunt), 



37. Distigma, £)op^cl^un!t, 



7k "Samilic: Dinobryina, SSirbclmooStt)icrdjcn- 



38. Epipyxis, ^ci:ment^icrcl)en, 



39. Dinobryon, SÖSirbelmooStt)terd^cn» 



8te ^'amiltc: Amoebaea, Sßed[)felt{)terd)cn* 



40. Araoeba, Sßed)fe(t{)tcrd^cn» 



Otc S-amilic: Arcellina, ^ö^felti)icrd)Cn» 



41. Difflugia, ©d)mel5t{)ierd)cn. 



42. Aredia, Jtapfe(t^ierd)cn* 



43. Cyphidium, ^öcEertt){evd)en. 



lOtc ^-arnUic: Bacillaria, (Stabt^ieri^eu» 



^rjlc ©ection: Desmidiacea. 



44. Desmidium, Äettcn(!äbd)cn. 



45. Staurastrum, ^reu^flern. 



46. Pentasterias, günfpral)(. 



47. Tessarartlira, ^ugelfettc. 



48. Sphaerastrum, Äugcljlern. 



49. Xanthidium, ^oppelHette. 



50. Arthrodesmus, SSicrltng. 



51. Odontella, Sapfcnfettc. 



52. Micrasterias, 3cnenflcrnd)cn. 



53. Euastrum, (5ternfd)eibe» 



54. Microtlieca, @tad;clfd)cibe. 



3wcite ©ection: Naviculacea. 



55. Pyxidicula, ^ugdrofc. 



56. Gallionella, 2)ofenfettc. 



