14 N. WILLE, BIDUAG TIT. SYDAMERTKAS ALGFLORA. 



Desm. Brasil. p. 218, Tab. II fig. 4. 

 Lagoa Santa (Warming). 



Ill, Cosmarinm (Cord a) Ralfs. 

 On Brit. Desm. p, 391; Corda Aim. d, Carlsb. p. 205; 



char. inut. 



1. C. Botrytis (Bory) Menegh. 



Syn. Desm. p. 220; rieterocarpella Botrytis Bory, Hetero- 

 carp. p. 180. 



Long. 80; lat. 70; lat. ist. 30 it£. 

 Caldas (Regnell), 



2. C. Broonaei ThwaiT. 



■ ^ 



in Ralfs Brit. Desm. p. 103, Tub. XVI fig. 6. 



/? ohliqua n. var. Tab. I fig. 28. 



Form, minor, panllo magis lata quam longa; eemicel- 

 lulse a vertice visce oblongo-ellipticse, obIic|U£e. 

 Long. 33; lat. 34; lat. ist. 11; crass. 16 ^- 

 Caldas (Regnell), Lagoa Santa (Warming), Rio d'Ouro 



(Glaziou). 



3. C. Portianum Arch. 



Dcscr. of new Cosm. p, 235, Tab. XI fig. 8, 9. 

 /? hrasilieiise n, var. Tab. I fig- 29. 



Form, major; semiccllula} elliptico-semicirculares, granu- 

 lis inembrani^ sparsis in seriebus longitudinalibns ordinatis. 



Long. 49; lat. 37; lat. ist. 18; crass. 20 //- 

 Tiagoa Santa (Warming). 



4. C. Gommissurale Brpjb. 



. in Menegh. Syn. Desm. p. 220. 

 ^ crassum Nordst. 



Desm. Brasil. p.- 213, Tab. Ill fig. 19. 

 Caldas (Regnell), 



5. C- conspersum Ralfs. 



Brit. Desm. p. 101, Tab. XVI fig. 4. 

 ^ attenuafam Nordst. 



Desm, Brasil, p. 208, Tab. Ill fig. 20. 

 Caldas (Regnell). 



