BIHANO TILL K. SV. VET. AKAD. HANDL. BAND 8. N:0 18. 15 



6. C. pulcherrimum Nordst. 



Desm. Brasil p, 213, Tab. Ill fig. 24. 

 Lagoa Santa (Warming). 



7. C- subspeciosum Nordst. 



Desm. arct. p. 22, Tab. VI fig. 13. 

 Long. 54; lat. 40; lat. ist. 16 ^t/. 

 Rio d'Ouro (Glaziou). 



8. C. biauritum Nordst. 



Desm. Brasil. p. 212, Tab. Ill fig. 30. 

 Lagoa Santa (Warming). 



m 



9. C. sphalerosticum Nordst. 

 Desm. ItaL p. 29, Tub. XII fig. 3. 



jS hrasiliense n. var. Tub. I fig. 30. 



C. sinu ample rectangulo; semicellulae granulatae, gra- 



nulis in medio semicellularum in series (4) verticales ordi- 

 natis. 



long. 19; lat. 17; lat. ist, 7; crass, 9 /«• 



Caldas (Regnell), Lagoa Santa (Warming). 

 Denne Form staar nser Cosmorium Wittrochii Lund., men 

 adskilles vcd at Indsuoringen er naesteu rcctangula.^r. 



10. C. geminatum Lund. 



F 



Desm. Slice, p. 31, Tab. Ill fig. 8. 

 Long. 18; lat. 20; lat. ist. 13; crass. 12 /^ 

 Lagoa Santa (Warming). 



11. C. quadrifarium Lund. 



Desm. Suec. p. 32, Tab. Ill fig. 12. 

 (i brasilieiise n. var. Tab. I fig. 31. 

 Semicellulai in marc^ine verrucis 13 emar^inatis et infra 



marginem sericbus 2 verrucarum simillura instnictre et tu- 

 more basali (4) granulate ornatae; a vertice et a latere visie in 

 medio 5 seriebus verrucarum bifidarum ornatae. 

 Long. 38; lat. 30; lat. ist. 12; crass. 20 (.i^ 



Lagoa Santa (Warming). 



12. C. pseudogranatum Nordst. 



Desm. Brasil. p. 211, Tab. Ill, fig. 27. 

 Lagoa Santa (Warming). 



