834 CLXIII. ALG^E. 



Dichothrix, Zanard, De-Toni, Syll. Alg. v. 638. 



Baueriana (Grunow), Born et Flah., De-Toni, Syll. Alg. 

 v. 640. — Barron River (Dr. T. L. Bancroft). (O. 

 Borge.) 



Rivularia (Roth.), Ag., De-Toni, Syll. Alg. v. 648. 



natans (Hedw.), Wekv., De-Toni, Syll. Alg. v. 648 — Glcec 

 trichia natans, Rabenh., 01. Bot. Bull. xi. 42. 



Family Glaucophycete. 



Glaucocystis, Jtaigs., De-Toni, Syll. Alg. v. 693. 



Nostochinearum, Itsigs., De-Toni, Syll. Alg. v. 693. 

 Porphyridium, Nceg., De-Toni, Syll. Alg. v. 696. 



cruentum (Ag.), Nceg., De-Toni, Syll. Alg. v. 697. 



