32 N, WILLE, BI[)R\G TIL SYDAMERIKAS ALGFLORA 



Forty kkelsen paa Halvcellernes Midte kvinue under- 

 tiden ganske mangle og var som oftest SA^agere end paa den 

 af NoKD^TEDT afbildede norske Form. 



6. C- Cucumis Ralfs. 



Brit. Desm. p. 93, Tab. XV fig, 2 

 Form, monstrosa. Tab. 1 fig. 47. 

 Long. 80, lat. 40 //- 

 Montevideo November 1875. 



IIL Pleiirotaeninm (Nagl.) Ll>d. 



1. P. Trabecula (Ehrb.) Nagl. 



Gatt. einz. Alg. p. 104, Tab. VI A; Closierium Trabecula 

 Ehrb. Entw. d. Infus. p. 68. 



Form, ininor Magn. et Wille n. form. Tab. I fie;. 48. 

 Long. 160; lat. 24; lat. ist. 16; lat. ap. 18 .u- 



jNIontevidco November 1875. 



IV. Closteriam Xitzsch. 



^^ ^^^ r 



1. C. Lunula (Mull.) Nitzsch. 



Beitr. z. Infus. p. 60 et 67; Vibrio Tjunnla iliill. in 



Naturforscher. XX, 1784, p. 142. 



Long. 300; lat. (IS /ii. 

 ^lontevideo' August 187«)- 



2. C. Ehrenbergii Menkgh. 



Syn. Desm. p. 232, 

 Montevideo December 187d. 



3. C. moniliferum (Bory) Ehrb. 



r 



Infus. p. 90, Tab. V fig. 16; Lumdina monilifera Bory 

 Hist. nat. d. Zoopb. Tab. Ill fig, 22, 25, 27. 

 Montevideo December 1875- 



4, C. Dianae Ehrb. 



Montevideo Auo;ust 1875. 



5. C. Leibleinii KtJTZ. 



Long. 252; lat. 60 //. 

 Montevideo November 1875 



