KNOWN AS INDIGENOUS TO AUSTRALIA. ~ 189 
Urnula Fries, summ. veg. Scandin. IT, 364 (1849) ; after Peziza. 
Eurotium, Link in Berl. Mag. IU, 31 (1809) ; after ae 
Callipsygma, J. Agardh in litteris "(1883) ; ; after Hore 
oa Decaisne in Ann. des sc. nat. sec. sér. XVII, 116 
(1842) ; after Galaxaura. 
Merrifieldia, J. Agardh in itteris (1883) ; after Hypnea. 
Letterstedtia, Areschoug in Vet. Akad. Oefvers VII, 1 (1850) ; 
ter Enteromorpha. 
Graphiola, Poiteau in Ann. des sc. nat. III, 473 t. 26 (1824) ; after 
Trichodesmium. 
Tryblionella, W. Smith, synops. of Brit. Diatom. I, t. XXX 
(1855) ; after Nitzschia. 
