ALQM OF WEST IRELAND. 



107 



Table (continued). 



Genera. 



No. of 



species. 



No. of 



subspecies. 



No. of 

 Yarieties. 



No. of 

 form 8. 



— 



2 

 1 



37 



S vnedra 



8 

 1 

 1 

 8 

 1 

 18 

 15 

 1 

 1 



3 

 1 



1 

 9 

 2 

 2 





1 

 1 



2 



Asterionella 













Finnularia 





Frustulia 





Pleurosigma 



Stauroneis 



Pleurostauruin 





1 





Gomphonema 



Meridion 









Total 



617 



• 



6 



97 





» 



The above total number consists of 345 species, 6 subspecies, 

 78 varieties, and 31 forms of Desmidiaceae belonging to 21 genera ; 

 128 species, 7 varieties, and 3 forms of Diatomaceae belonging to 

 32 genera ; the remaining 144 species, 12 varieties, and 3 forms 



are distributed over 65 genera. 



34 species, 7 subspecies, 47 varieties, and 28 forms are here 



described for the first time. 



I. ALGkX. 



Class Floeidej:. 



Ord. Helmlnthocladle. 



1. Batrachospeemum moniliforme, Both. (Habh. Fl. Europ 

 lg. iii. p. 405.) 



II. Glen Caragh ; Mallow. 



2. B. vagtjm, Ag. (JRahb. 1. c. p. 406.) 

 I. Ballynahinch.— II. Tore Mt. 



Class CONFERVOIDEiE IlETEBOGAME^. 



Ord. Coleochjitace^:. 



1. Coleocilbte bcutata, Breb. (Babh. Fl. Europ. Alg. iii 

 p. 390.) 



I. Lakes, Clifden to Roundstone, and near Recess. 



