ALG M. 167 



the stipe, a quarter of a line wide, flattened, linear, fastigiate, with 

 patent axils. Color, a dull purple-red. 



A minute species, much smaller than any form of C crispus, more 

 nearly allied to our C. exilis, but differing in being distinctly stipi- 

 tate. 



Caulerpa clavifera, Ag. ; Kiltz. I. c. p. 498. 



Cladophora fascicularis, Mert.; Kutz. I. c.p. 393. 



Conferva media, Ag. Syst. p. 100. 



Ulva latissima, Ag. I. c. 



MADEIRA. 



Cystoseira conoatenata, J. Ag. Sp. I, p. 218 ?. 

 Padina Pavonia, Linn.; J. Ag. I. c.p. 113. 



ZONARIA LOBATA, Ag. ; J. Ag. 1. C. p. 109 ?. 

 DlCTYOTA DICHOTOMA, J. Ag. I. C.p. 92. 



Sphacelaria scoparia, J. Ag. I. c.p. 36. 

 Gelidium corneum, Lamour. ; Kutz. I. c.p. 764. 

 Centroceras clayulatum, /. Ag. 1. c. 2, p. 148. 



CODIUM TOMENTOSUM, Ag. ; Kutz. 1. C. p. 500. 



Ulva latissima, Linn.; Harv. Phyc. Brit. t. 171. 

 Lichina pygm^ea, Ag. (Now referred to Lichenes.) 



PACIFIC ISLANDS. 



Turbinarta vulgaris, J. Ag. Sp. 1, p. 267. Tongatabu. 

 Turbinaria ornata, J. Ag. 1. c. Sandwich, Society, Wake, and 

 Feejee Islands. 



Sargassum echinocarpum, J. Ag. I. c.p. 266. Sandwich Islands. 



Sargassum cymosum, Ag. Sandwich Islands. 



Sargassum vulgare, Ag. Pacific Islands. 



Sargassum polycistum, Ag. Tongatabu, Feejee Islands. 



