70 



R. Gronblad, New Desmids. 



indica v. fennica 64 



neglecta 64 



undulata 64 



Micrasterias crux melitensis 22 

 decemdentata 18 



denticulata 25 



„ v. interme- 



dia 26 

 murrayi 23 



radiata 23 



rotata 23 



„ f. pseudoquadri- 



dentata 24 



sol 23 



(thomasiana 27) 



truncata 20 (19) 



„ v. crenata 20 



„ v. quadrata 21 



„ v. semiradiata 22 



(verrucosa 27) 



Sphaerozosma vertebratum 63 



Spondylosium pulchellum 63 



v. 

 bambusinoides. 63 

 Staurastrum bicorne v. qua- 



drifidum 59 

 cedercreutzii 58 



cornutum 58 



dimazum 62 



forficulatum v. hetera- 



canthum 58 

 „ v. heteracan- 



thum f. 58 

 „ v. subhetero- 



plophorum 57 



simplex 57 



geminatum v. hetera- 



canthum 57 

 johnsonii v. perpendi- 



culatum 60 

 minutissimum v. con- 



vexum 56 

 natator v. boldtii 62 



pachyrhynchum v. uh- 



tuense 56 



polymorphum 58 



v. pyg- 



rmrum 59 



pseudoiotanum 60 



scabrum 57 



tetracerum 61 



„ v. biverruci- 



ferum 61 

 tetracerum v. subex- 



cavatum 62 



tristichum 56 



uhtuense 60 



Xanthidium antilopseum 44 



„ v. basiorna- 



tum 46 

 „ v. crameri 47 

 „ v. dimazum 45 

 „ v. hebrida- 



rum 47 

 „ v. laeve f. 



incrassata 46 

 „ v. minnea- 



poliense 46 

 „ v. oligacan- 



thum 47 

 „ v. ornatum 48 

 „ v. polyma- 



zum 45 



