.. Euastrum trapezicum nov. spec. 
2 vd 
SE 
= 
=l 
aa 
G 
< 
: culatum n 
. H. crassangulatum nov. spec. (279/,). 
.. Euastrum bicornutum nov. spec. (279/,). " 
52 
Tabula tertia. 
Micrasterias Jenneri Ralfs. Forma SEENDE eg PSR EG VOV 
CRY 
. ansatum Ralfs 2 nen Hove vars 2"); 
sinuosum Lenorm 12/,). 
aulense nov. abb FS ; 
denticulatum (Kirchn.: Gay /Z stictum nov, var" (369/,). 
70/,). å 
bidentatum Nig. Forma Brasiliensis n. f. (3597). 
incudiforme nov. spec. (?79/,). 
Glaziovii nov. spec. (279/,). 
Pape. 77] 
"Tabula quarta. 
Cosmarium polymorphum RER, 08) 
28. C. polymorphum Nordst. ” Paulense nov. subspec. (789/,). 
29, C. ornatum Ralfs... Forma ske steg EN), 
30. C. Paulense nov. spec. (279/ 
31. C. pentachondrum nov. ig (3601). 
32. C. Brasiliense (Wille) Nordst.: > ordinatum nov. subspec. (289/;). 
33. C. bipunctatum nov. spec. (289/,), 
34, C. Warmingii nov. spec. (?79/,). ; 
35. C. subgquadratum Sane Forma. (?79/,). É 
36. C. nmitidulum De Not. (279/,). i 
37. C. obsoletum Hantsch > maximum nov. subspec. (15/,). 
38. C. lobatum nov. spec. (?!?/, 
39. C. De-Baryi Archer. (?79/ i bd cellula a vertice visa 
40. Arthrodesmus Incus (Bréb.) Hass. 2 sinuosa nov. var. (?"?/,). 
41. A. triangularis Lagerh. Fårma. (2794); 
2. Stawrastrum Dickiei Ralfs. Forma. (279/,), 
3 
St. Hystrix Ralfs 2 polyspina nov. var (359/,). 
. St. amoenum Hilse & Brasiliense nov. var. FF): 
. St. serriforme nov. sp. (?79/;). 
Tabula quinta. 
Stawrastrum sagittiferum nov. spec. . (212/,), 
CSR 
ona 
St. or Bee Gps (Bréb ) Arch. 2 Brasiliense nov. var. (?"?/,). 
St. gracile Ralfs 2 subventricosum nov. var. (277). 
. St. Sebaldi Reinsch £ Brasiliense nov. var. klare 
