ALGJ3 OP WEST IRELAND. 



105 



Summary of Species ', Varieties, and Forms observed. 



Genera. 



Batracbospermum 



Coleochsete 



Bulbocbaeto • 



CEdogonium 



Conferva 



Cladophora 



Draparnaldia 



Cha?topbora 



Apbanocba^te 



Prasiola 



Horiniseia 



Ulothrix 



Trentepoblia 



Mougeotia 



Spirogyra 



Zygnema 



Gonatozygon 



Spbasrozosma 



Spondy losium 



Ony cbonema 



Hyalotheca 



Gy mn ozyga 



Desmidium 



Docidium 



Pleurotrenium 



Closterium 



Penium 



Cylindrocystis 



Mesotaenium 



Tetmemorus 



Spirottenia 



Micrasterias 



Euastrum 



Cosmarium 



Xantbidium 



Artbrodesraus 



Staurastrum 



Eudorina 



Pandorina 



Gonium 



Pediastrum 



Selenastrum 



Sorastrum 



fctaurogenia 



Coelastrum 



Sciadium 



Ophiocytium 



Dictyospluerium 



Apiocystis 



Ilydrianum 



^Nepbrocytium 



No. of 

 species. 



2 

 2 

 3 

 13 

 4 



2 



4 

 5 

 3 

 5 



4 

 4 

 1 

 3 

 1 

 3 

 2 

 7 

 37 

 19 

 3 

 3 

 3 

 3 

 13 



26 



108 



9 



10 



81 

 1 



1 



1 



7 

 1 

 1 

 2 



5 



1 

 1 

 1 

 1 

 1 

 2 



No. of 

 subspecies. 



No. of 

 varieties 



No. of 

 forms. 



2 



1 



1 



1 



1 





i 



2 



2 



1 



1 



2 



1 



1 





4 





2 



2 



9 



5 



1 





2 



1 



2 



5 



7 



2 



19 



9 



5 



1 



3 



1 



22 



4 



k2 



