88 K. MUNSTER STROM 



Order Cladophorales. 

 Family Cladophoraceae. 

 Genus Cladophora Kuetz. 



7. Cladophora fracta (Dillvv.) Kuetz. 



Kuetzing: Phycol. German.; Conferva fracta Dillvvyn: British confervas. 



Some of the samples examined consist of this species, which together with 

 Cladoplwra glomeraia is among the most widely distributed Algae in the world. 

 Between the branches of some specimens there is a rich vegetation of Diatoms. 



Masatierra. 



Area of distribution: ubiquitous. 



8. Cladophora sp. 



Masatierra. Undeterminable C/adof/iora-species are present in a couple 

 of collections. 



Distribution of the gouts: ubiquitous, both freshwater and marine. 



Genus Rhizoclonium Kuetz. 



9. Rhizoclonium hieroglyphicum (Ag.) Kuetz. 



Kuetzing: Phyc. Gener.; Conferva hieroglyphica Agardh in Flora 1827. 



Masatierra: This common species occurred in a few samples. 

 Area of distribution: ubiquitous. 



Order Chaetophorales. 

 Family Trentepohliaceae. 



Genus Trentepohlia Martius. 



10. Trentepohlia aurea L. 



Linne: Systema Naturae (Byssus aureus). 



Masatierra: The typical form of this species, which is among the most 

 widely distributed Algae in the world, was common in caves. 

 Area of distribution: world-wide. 



