209 PRELIMINARY CATALOGUE OF PLANTS. 



Enteromorpha, Link. 



B, intestinalis, Link. 

 E. compressa, Grev. 

 E. clathrata, Grev. 



Ulva, Kiitz. 



U. latissima, L. 

 U. lactuca, L. 



Cladophora, Kiitz. 



C. rupestris, L. 

 C. arcta, Dillw. 



C. glaucescens, GriiF. 

 0. refracta, Eoth. 

 C. Morrisiffi, Harv. 

 0. albida, Huds. 

 C. Rudolphiaua, Ag. 

 C. gracilis, Griff. 

 C. Isetivirens, Dillw. 

 C. fracta, Fl., Dan. 



Chsetomorpha, Kiitz. 

 C. Picquotiana. 

 C. serea, Dillw. 



Lyngbya, Ag. 



L. majuscula, Harv. 

 L. ferruginea, Ag. 

 L, luteo-fusca, Ag. 

 L. nigrescens, Harv. 



Calothrix, Ag. 



C. confervicola, Ag. 

 C. scopulorum, Ag. 



Sphaerozyga, Ag. 



S. Carmichaelii, Harv. 



IN CERTAE SiEDIS. 



Porphyra, Ag. 



P. vulgaris, Ag. " Laver." 



Bangia, Lyngb. 



B. fuscopurpurea, Lyngb. 



