659 
3. 8. orbieularis Kütz.! l,c. 44%, Zygnema orbice- 
laris Hassal, 
In aqua dulei stagnante, Van Diemensland, Dee. 1848, 
(Stuart), 
Zygsnema Ag. (ex parte). Kütz, 
1, 2. stellinum Ag. Kütz.! Spee, p. 445. 
Van Diemensland (Sinart), 
Hydrodietyene Decne. 
Microdietyon Deene. 
1. M. Agardhianum Deene. Pi. de P’Arab. p. 115. Hy- 
drodictyon umbiltcatum Ag. Syst. p. 85. 
Ad Jitus peninsulae Lefehre, Jul, 1852. 
Uivacene Ag. 
Enteromorpha Lk, 
1.8. clathrata Lk, Ulva clathrata Ag. Spec.l. p.422. 
Ad litus peninsulne Lefebre, d, 16, Dec. 1847. 
2, 3, compressa Grev. Alg. brit. p. 180. Ulta com- 
Pressa L. 
Van Diemensland (Stuart), et in fossis suhimarinis in vi- 
einia portns Adelnide, d. 10. Mart. 1848. 
Ulva Ag. 
1, U. Lactuen L. 
Port Adelaide, d. 10, Mart. 1848. Bivoli-Bay, Octob, 
Van Diemensland (Stuart). 
Phycoseris Külz. 
1. ®. Ulvn Sond, Pl. Preiss. H. p. 153. 
Ad litus peninsulae Lefehre, Julio, Dechr. Rivoli-Bay, 
Octob, 
Porphyra Ag. 
I. P. vulgaris Ag. Icon, n. 28, 
Van Diemensland (Stuart). 
>23 
