190 FLORA OF NEW PROVIDENCE AND ANDROS 



Salmea petrobioides Griscb. Nassau, Feb. Common along 

 shore (303). 



Bidens leucantha Willd. " Shepherd's needle." Nassau, Jan. 



(36). 



Tridax procumbens L. Nassau, Jan. (25). 



Flaveria linearis Lag. Red Bays, April (462). Same as 

 Wright 2859. 



Porophyllum ruderale Cass. Lisbon Creek, Andros, June 



(675)- 



Pectis linifolia L. "Tea-blinkin." Nassau, Jan. (200). 



Neurol^na lobata (L.) R. Br. Red Bays, April (486). 



Erechthites hieracifolia (L.) Raf. Red Bays, April (504). 



Emilia sonchifolia (L.) DC. Nassau, Jan. (3, 5). 



Anastraphia Northropiana Greenman. "Candlewood." 

 Fresh Creek, June (743). Differs from the following species in 

 having the " leaves mostly entire, scales of the involucre more numerous 

 and strongly revolute." Named at Gray herbarium by Mr. J. M. 

 Greenman, 1897. Same as Combs no. 521 from Cuba, 1895. 



Anastraphia pauciflosculosa Wright. "Candlewood." Lis- 

 bon Creek, June. Same as Eggers 3866. Determined at Kew 

 by Dr. Britton (639). 



Chaptalia albicans (DC). Conch Sound, March (400). Same 

 as Wright 2873. 



Sonchus oleraceus L. Nassau, Jan. (48). 



Relations of the Bahama Flora 



Professor Hitchcock has treated this subject very fully in his 

 "Report on the Plants collected in the Bahamas, Jamaica, and Grand 

 Cayman." It is only taken up here because the exploration of Andros 

 has furnished additional data. In this connection it may be well- to 

 describe briefly the character and position of the Bahama Islands in re- 

 lation to the Greater Antilles and North and South America. "The 

 Bahamas naturally divide themselves, first, into sunken banks like the 

 Navidad, Silver, and Mouchoir banks; next, islands occupying the 

 whole or nearly the whole summit of the banks from which they rise., 

 like Watlings, Rum Cay, Conception, Samana, Mariguana, the Plana 

 Cays, Inagua, Little Inagua, and the atoll of Hogsty; then banks 

 having the semblance of atolls, like the Crooked Island and Caicos 



