176 
Zanardinia Nardo 1841 non J. Agardh 1854!) (= Stifftia Nardo 1831). 
2. collaris (0. Agardh) Crouan. 
Zoogonicae isogonicae Kjellman. 
Lithodermataceae Kjellman. 
Lithoderma Areschoug 1875. 
L. fatiscens Areschoug. 
Ralfsiaceae Hauck. 
Ralfsia Berkeley 1831 non O’Meara. 
R. verrucosa (Areschoug) J. Agardh. 
Stragularia Stroemfelt 1886. 
S. pusilla Strömfelt. 
Sporochnaceae (Reichenbach) Decaisne. 
Sporochnus ©. Agardh 1817. 
S. pedunculatus (Hudson) 0. Agardh. 
Carpomitra Kützing 1843. 
C. Cabrerae (ÜOlemente) Kützing. 
Perithalia J. Agardh 1890. 
P. inermis (R. Brown) J- Agardh. 
Bellotia Harvey 1855. 
B. Eriophorum Harvey. 
Nereja Zanardini 1846. 
N. filiformis (J. Agardh) Zanardini. 
Arthrocladiaceae (Zanardini) Hauck. 
Arthrocladia Duby 1832 (= Elaionema Berkeley 1833). 
A. villosa (Hudson) Duby. 
? Chnoospora J. Agardh 1847. 
C. fastigiata J. Agardk. 
. Laminariaceae (Bory) Rostafinski. 
Laminaria (Lamouroux 1813) J. Agardh 1867 (= Laminastrum Duby 
1830, Palmaria Link 1820, Hafgygia Kützing 1843). 
L. saccharina (L.) Lamouroux. 
Saccorhiza De la Pylaie 1824 (= Haligenia Decaisne 1842, Phyco- 
castanum Küteing 1843). . 
8. bulbosa (Hudson) De la Pylaie. 
? Phloeorhiza Kützing 1848. 
P. diaphana Kützing. 
Phyllaria Le Jolis 1856. 
P. dermatodea (De la Pylaie) Le Jolis, 
Thalassiophyllum Postels et Ruprecht 1840. 
T. Clathrus (Gmelin) Postels et Ruprecht. 
1) Teste cl. F. Schmitz in Flora 1889 p. 638 genus Zanardinia J. Ag. (1854, 
76) generi Brachycladia Sonder (1854) adscribendum est, 
