452 PROF. DICKIE ON VLGLE FRO: 



(5) Algce collected at Juan-Fernandez Island, 



DlCTYOTACEJR. 



ZONARIA VARIEGATA, LamX. 



The specimens very dwarf. 



DlCTYOTA K.UNTHII, Aff. 



D. NMV08A 9 Sukr. 



The specimens seem quite identical with this species, which 

 occurs on the coast of Tasmania and at the Cape of Good Hope. 



Asperococcus sinuosus, Roth. 

 A. echinatus, Mert. 



There are specimens in different stages, the larger nearly 2 feet 



long. 



ClIORDATUACEJE. 



Chordaria hippuroides, Bory. 



RllODOMELACEiE. 



Polysiphonia parasitica, Huds. — Var. y. reptans (P. dendritica, 

 Mont.) 



• 



P. VILLUM, Aff. 



On C odium tomentosum. 



Coraltjkace^. 



CoRALLTXA SUBULATA, Ell. fy Sol. 



C. Berteri, Mont. 



Melobesia pustulata, Lamm. 



CUYPTONEMIACEJS. 



Gigartixa contorta, Bory. 



Mr. Moseley's specimens are small, about an inch in height, am 

 appear to belong to this species, respecting which Prof. Agarci i 

 says, "ad G. Lessonii forsan nimium accedit." 



* 



Cebamiaceje. 



I 



Ceramium rubbum, Hudson. 

 Centroceras micranthum, Ktz. 



Ptilota parva, n. sp. * Pinnis oppositis difformibus, una minore sim 

 plici, subulata, altera majore, pinnulata, pinnulis subulatis obtuse 

 vel subconicis, omnibus cellulosis. Sphserosporis — ? Favelns • 



A few specimens were found mixed with Centroceras ; they a 

 about an inch in height ; no fructification can be seen. 



