430 
Galaxaura Lamouroux 1812 (= Alysium C. Agardli 1823; = Haly- 
s i u m Kützing 1843). 
G. rugosa ( Solander) Lamouroux. [G. cylindrica ( Solander) Decaisne-, 
G. adriatica Zanardini .] 
* Actinotrichia Decaisne 1842 (? incl. *Spongotrichu m Kützing 1847 
(? = ** H o 1 o n e m a Areschoug 1854; = * M i c r o t h o e (Decaisne 
1842) Harvey 1860)). 
A. rigida ( Lamouroux ) Decaisne. 
Chaetangium Kützing 1843 (incl. Nothogenia Montagne 1843; incl. 
Rhodosaccion Montagne 1852). 
Ch. ornatuni (Linne) Kützing. 
Gelidiaceae. 
Binderelleae. 
Binderella nov. gen . 
B. neglecta nov. spA) 
Choreocolax Reinsch 1374. 
Ch. Polysiphoniae Reinsch. 
Harveyelleae. 
Harveyella Schmitz et Reinke 1889. 
H. mirabilis ( Reinsch ) Schmitz et Reinke. 
Wrangelieae. 
Wrangelia C. Agardh 1823. 
W. penicillata C. Agardh. 
Atractophora Crouan 1848. 
A. hypnoides Crouan. 
Naccaria Endlicher 1836 (= Ghaetospora C. Agardh 1824). 
M. Wigghii ( Turner ) Endlicher. 
Caulacantheae. 
Caulacanthus Kützing 1843 (= Olivia Montagne 1846). 
C. ustulatus ( Mertens ) Kützing. 
Gelidieae. 
Gelidium Lamouroux 1813 (= Cornea Stackhouse 1809; incl. *Acro- 
carpus Kützing 1843 (= *Clavatula Stackhouse 1809); incl. 
# Echinocaulon Kützing 1843). 
G. corneum ( Hudson ) Lamouroux. 
Pterocladia J. Agardh 1852. 
Pt. lucida (R. Brown) J. Agardh. 
Suhria J. Agardh 1842. 
S. vittata (Linne) J. Agardh. 
* Porphyrogiossum Kützing 1847. 
P. Zollingeri Kützing. 
1) = Bindera splachnoides Harvey ( Phyc. austral. t. 111) pro parte 
(fig 5 et 6). 
