Rhode Island Plants. 41 



and P. variegata, but not exactly like either." — Harv. MSS. 

 Found just below Providence, attached to Zostera marina. 



1181. Dasya elegans, Ag. fide Harvey \ Providence ! Nar- 

 ragansett pier ! Newport ! Sogconnet point ! This is probably 

 the D. pedicellata of Bailey in Sill, journ. vol. 3, new series. 



1182. Ceramium rubrum, Ag. Harv. ! Brit. Alg. p. 98. 

 Common. 



1183. C. fastigiatum, Harv.f Brit. Alg. p. 99. Abundant 

 on the southern shores of the State. 



1184. Spyridia filamentosa, var. Harv. in Hook. Brit. fl. 

 and in Brit. Alg. p. 101. Providence and Newport, Prof. 

 Bailey ! 



1185. Griffithsia corallina, Ag. var. fide Harv.! Harv.! 

 Brit. Alg. p. 103. Providence ! 



1186. Callithamnion tetragonum, Ag. Harv. ! Brit. Alg. 

 p. 108. Sogconnet point ! 



1187. C. Tockwottoniensis, Harv. MSS. fide Bailey, 

 (n. sp.) Providence, Prof. Bailey. Warwick, Hunt ! 



1188. Ch^tophora endivefolia, Ag. Harv. ! Brit. Alg. p. 

 122. In brooks and ponds, Smithfield ! 



1189. Conferva collabens, Ag.? "or near it." — Harv. 

 MSS. Sogconnet point ! Narragansett pier ! 



1190. Conferva . " New tome."— Harv. MSS. Sog- 

 connet point ! 



1191. Elachistea fucicola, Duby. Conferva fucicola, Vel- 

 ley. Harv. ! Brit. Alg. p. 131. On larger Algas. Narragan- 

 sett pier ! 



1192. Cladophora refracta, Kutz. Conferva refracta, 

 Ag. Harv. ! Brit. Alg. p. 137. On rocks, half tide, Sog- 

 connet point ! 



1193. Cladophora . Imperfect specimens, Narragan- 

 sett bay ! 



1194. Callothrix confervicola, Ag. Harv. ! Brit. Alg. 

 p. 156. Sogconnet point ! 



1195. C. scopulorum, Ag. Harv. ! Brit. Alg. p. 157. 

 Newport ! 



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