40 Rhode Island Plants. 



1167. Chord aria flagelliformis, Ag. Grev. ! Alg. Brit. 

 p. 44. Harv. ! Brit. Alg. p. 45. Common on the shores of 

 the south part of the State. 



116S. Nemalem multifidum, A g. fide Harv. ! Found grow- 

 ing with the preceding species. 



1169. Delesseria Americana, Ag. fide Harv. ! This is 

 the plant alluded to by Prof. Bailey in Sillimaii's journal, 

 second series, vol. 3, and proves, as that accurate observer sus- 

 pected, Agardhs plant. I have often collected this plant float- 

 ing near Providence. I have never seen it attached. 



1170. Rhodomenia palmata, Grev. ! Alg. Brit. p. 93. 

 Harv. ! Brit. Alg. p. 63. Narragansett pier ! Sogconnet 

 point ! 



1171. Rhodomela subfusca, Ag. Grev. ! Alg. Brit.. New- 

 port, Prof. Bailey ! 



1172. Laurencia dasyphylla, Lamoar. Grev ! Alg. Brit. 

 p. 112. Harv. ! Brit. Alg. p. 70. In the sea on rocks and 

 stones. Newport ! Sogconnet point ! Narragansett pier ! 



1173. Chylocdadia parvul a, Hook $• Grev.! Harv.! Brit. 

 Alg. p. 72. Narragansett bay ! 



1174. Chrysimenia subulata ? Hook fy Harv. Provi- 

 dence, Prof. Bailey ! 



117 5. Gracilaria purpurascens, Grev. Alg. Brit. p. 122. 

 Narragansett bay. 



1176. Gigartina plicata, Lamour. Grev. Alg. Brit. p. 

 150. Harv. ! Brit. Alg. p. 76. Newport ! 



1177. Chondrus crispus, Lyngb. Grev. ! Alg. Brit. p. 

 129, t. 15. Harv. ! Brit. Alg. p. 77. Abundant on rocks 

 on the southern shores of the State. 



1178. Ptilota plumosa, Ag. var. @. Grev. Alg. Brit. p. 

 155. Harv. ! Brit. Alg. p. S4. Sogconnet point ! New- 

 port, Prof. Bailey ! 



1179. Polysiphonia fastigiata, Grev. ! Harv. ! Brit. Alg. 

 p. 90. Southern shores of the State ; parasitic on larger 

 Algas. 



1180. P. Olneyi, Harv. MS S. (n. sj>.) Near P. violacca 



