Cystoseira, 289 



tnucronatis, recepfaculis racemosis bra- 



cteatis clavatis 



Fucus siliquastriim* Turn. t. 82. 

 Fttcus scoparius, Turn. t. i32. 

 Sargassum siliquastrum & scoparium, Ag. sp. 

 In mari Japonico. 



29. C. retroflexa, ramis basi retroflexis 



mox erectis cauleque piano articulatis, 

 vesiciilis solitariis obovatis. 

 Fucus retroflexus, Labill. t. 260. Turn. 



t. 1 55. 

 In australibus Novae Hollandiae oris. 



30. C. retort a, fronde coriacea compressa 



flaccida alternatim clecomposito-pinnata, 

 lamis divaricatis flexuoso-retortis toru- 

 losis. 



Fucus retortus, Mert. 

 Ad litora Novae Hollandiae. 



3 1. C. subfarcinata, fronde tripinnata ar- 



ticulata, ramis ramuJisque recnrvato-de- 

 tortis rigidis teretiusculis, ramulis tu- 

 bercuJato-nodosis subulatis, vesiculis spar- 

 sis ovatis. 



Fucus subfcircinatus, Mert. 

 Ad litus occid. Novae Hollandiae. 



-j- 82. C. par ad ox a, ramis erectiusculis 

 cauleque piano articulatis, sterilibus fo- 

 liosis, foliis disticliis ellipticis crenulatis 

 ortu deflexis, vesiculis solitariis inter 

 folia sphaeiicis, ipter receptacula elli- 

 x pticis, 



