242 THE SYNONYMY OF POTAMOGETON RUFESCENS SCHRAD. 



C. LANUGINOSA J. Ag. = C. Lycopodium Harv. Florida, Harvey 



Melvill ! Hooper ! (in Farlow, Anderson and Eaton, No. 37). 

 C. PASPALOiDES Grev. Florida, Harveij, Hooper ! (in Farlow, Ander- 

 son and Eaton, No. 38). 

 Geogr. Distr. Brazil, Pacific (Valparaiso). 

 C. CYLINDRACEA Sond. ? Bai'badoes, Dickie ! 

 Geogr. Distr. Australia, Indian Ocean. 

 C. CLAYIFERA Ag. Grenada, Murray ! Barbadoes, Dickie ! Gua- 

 deloupe, Maze ! Cuba, Wright. St. Thomas, Hb. Waltrothl 

 Hohenack ! Florida, Harvey, Melvill, Hooper ! (in Farlow, 

 Anderson and Eaton, No. 39). Bermuda, Rein, ' Challenger' I 

 Var. coNDENSATA Cm. Guadeloupe, Maze ! 

 Var. uviFERA Ag. Guadeloupe, Maze ! 

 Geogr. Distr. Tropical seas. 

 C. Chemnitzia J. Ag., var. occident.alis. Gulf of Mexico {Jide J. G. 

 Aganlh). 

 Geogr. Distr. Brazil. The typical form of this species occurs 

 in the Eed Sea and Indian Ocean. 

 C. SEDoiDEs Ag. Grenada, Murray ! Guadeloupe, Maze ! 



Geogr. Distr. Australia and Pacific. 

 C. TRIANGULARIS Cm. Guadeloupo, Maze I 

 C. iNDicA Sond. Guadeloupe, Maze ! 



Geogr. Distr. Indian Ocean. 

 Dasycladus clav^formis Ag. Cuba, Wright. Florida, Farlow. 



Geogr. Distr. Madeira and Canaries, Mediterranean. 

 Botryophora occidentalis J. Ag. = Dasycladus occidentalis Harv. 

 and D. Conquerantii Crn. Guadeloupe, Maze ! Florida, Har- 

 vey, Melvill ! Hooper ! (in Farlow, Anderson and Eaton, No. 97). 

 Santa Cruz, Oersted. Bahama, Sivainson. Bermuda, Rein. 

 Cymopolia barbata Lam. Jamaica, Sloane ! Hb. Mas. Brit. ! (no 

 collector's name). San Domingo and Cuba {^/ide J. G. 

 AgardJi). YloYidiSi, Harvey \ Melvill. Bermuda, lit^w. 

 Geogr. Distr. Canary Islands and Cadiz. 

 C. mexicana J. Ag. Vera Cruz, Liehuan. 

 Neomeris dumetosa Lam. West Indies, Richard. Cuba, Wright. 



Geogr. Distr. Pacific. 

 Acetabularia caraibica Kiitz. West Indies (Jide Kiltzing). 



Geogr. Distr. Pacific (Friendly Islands). 

 A. crenulata Lam. Guadeloupe, Dachassaing, Maze ! Cuba, Wright. 

 Florida, Harvey, Melvill, Hooper ! (in Farlow, Anderson and 

 Eaton, No. 42). Bermuda, Kemp, Rein. 

 A. POLYPHYsoiDEs Cm. Guadcloupo, Maze ! 

 (To be coiitiaued.) 



THE SYNONYMY of POTAMOGETON RUFESCENS Schrad. 



By Arthur Bennett, F.L.S. 



In this Journal for 1887, p. 373, I made a few remarks on the 

 names given to the above species ; the dates there given were 

 erroneous for some of the names, from my trusting to memory 



