80 THE VOYAGE OF H.M.S. CHALLENGER. 



Sporobolus virginicus, Kuiith. 



Sporobolus virginicus, Kunth, Emim., i. p. 210; Griseb., Fl. Brit. W. Ind., p. 533; Chapm., Fl. 

 Southern U.S., p. 550. 



Bermudas. — Indigenous. Binding grass on the sand dunes — Moseley. 



Almost as widely distributed as Sporobolus indicus. 



Sporobolus pungens, Kunth (errore purgans), of Rein's list, is probably one of 

 the foregoing species. We have seen no American specimens of the true Sporobolus 

 pungens. 



Oynodon dactylon, Pers. 



Cynodon dactylon, Pers., Ench., i. p. 85 ; Griseb., Fl. Brit. W. Ind., p. 540 ; Chapm., Fl. Southern 



U.S., p. 557 ; Kunth, Enum., i. 1, p. 259. 

 Agrostis hermudiana, Tussac ex Kunth, Enum., i. p. 259. 



Bermudas. — Introduced. Common in cultivated ground — Lefroy ; Munro. 



In tropical and temperate countries all over the globe, but probably not indigenous in 



America. 



This is the plant called " Bermuda Grass " in the United States and elsewhere. 



Chloris petraea, Thunb. 



Chloris petrcea, Thunb., Fl. Cap., p. 109; Griseb., Fl. Brit. W. Ind., p. 539. 

 Eustachys petrcea, Desv., Jour. Bot., 1813, i. p. 69 ; Chapm., Fl. Southern U.S., p. 557. 



Bermudas. — Indigenous. Common in dry places — Moseley ; Jones ; Reade. 



A coast plant, ranging from North Carolina to Uruguay, and also occurring in 

 Southern Africa. 



Leptochloa mucronata, Kunth. 



Leptochloa mucronata, Kunth, Enum., i. 1, p. 270 ; Griseb., Fl. Brit. \V. Ind., p. 537 (excl. synon.) ; 



Chapm., Fl. Southern U.S., p. 558. 

 Eleusine mucronata, Michx., Fl. Bor.-Am., i. p. 65. 



Bermudas. — Introduced. Rein. 



Virginia and Illinois to Florida and the West Indies ; common in cultivated ground. 



Kceleria phleoides, Pers. 



Kceleria phleoides, Pers., Ench., i. p. 97 ; Kunth, Enum., i. p. 383. 



Bermudas. — Introduced. Moseley. 



Widely spread in the Old World ; but not, as far as we know, naturalised in any part 

 of America. 



