456 



**Erythrocystis J. Agardh 1876. 



E. G r e V 1 1 1 e i J. Agardh. 



^Apophlaea Harvey 1845. 



A. Sinclairii Harvey, 



* Hildbrandtia Nardo 1834 (incl. *Erythroclathrus Liebmann 1839 

 (= Rhodytapium Zanardini 1843)). 



H. prototypus Nardo, 



* Rhododermis Crouan 1852. 



Rh. elegans Crouan, 



Gieiiera cliibia. 



* 



*Audouinella {Bory 1823) JBonnemaison 1824 (= Ghantransia -Fries 1825). 



Au. chalybea {Roth) et Au. Hermanni {Both). 



** Pneophyllum Kutdng 1843. 



**P. fragile Kiitzing, 



**Entocolax Beinsch 1875. 



**E. Naegelianus Beinsch. 



* Pseudoblaste Beinsch 1875. 



P. Phyllophorae Beinsch, 



Primordia variarum Floridearum , vix genus sui juris. 



* Straggaria Beinsch 1888. 



Vix genus Ploridearum. 



€ieiiiet*a evelti^a. 



Thorea Bory 1808 (== Polycom a Palisot 1808). 



Th. ramosissima Bory. 

 Genus ad Phaeophyceas pertinens. 



Kurzia Martens 1870. 



K. crenacanthoidea Martens, 

 Genus Hepaticarum. 



Polycladia Montagne 1849. 



P. C m ui e 1* s o n i i Montagne. 



Genus erroneum fragmentis Cystosireae cujusdam institutum. 



Stenodesmia KiUmng 1866. 



St. binervis Kutzing. 



Genus erroneum phanerogamicae cujusdam plantae foliis institutum. 



Askenasya Mobiles 1887. 



A. polymorpha Mohius. 



Genus erroneum Oncobyrsae r ivula.r is Menegh. et Audouinellae cujus- 

 dam primordia complectens. 



Greifswald, 8. December 1889. 



