38 FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



THEVETIA, Linn. 



T. nitida, A. DC. 



Yucatan loc. ignot. ( Johnson}. 



T. neriifolia, Juss. 



Island of Cozumel (Gaumer, 1885 and 1886). 



T. Gaumeri, Hemsl. 



Type locality, Island of Cozumel (Gaumer, 1885), "Tree 40 to 

 60 feet high; not common." 



PLUMERIA, Linn. 



P. alba, Linn. SABACNTCTE. 



Suburbs of Merida, frequent May, 1887. 



TABERNAEMONTANA, Linn. 



T. amygdalifolia, Jacq. UOTJPEK. 



Along the road to Valladolid beyond Tuncas. Not in flower, 

 Jan. 17, 1895. 



T. Acapulcensis, Miers. 



Island of Cozumel (Gatimer, 1885). 



ASCLEPIADACEAE. 

 PHILIBERTIA, H. B. K. 



P. Lindeniana (Decne). Hemsl. 



Sarcostemma Lindenianum, Decne. Yucatan type loc. ignot. 

 (Linden). 



MACROSCEPIS, H. B. K. 



M. rotata, Decne. 



Yucatan, type loc. ignot. (Linden}. 



ASCLEPIAS, Linn. 

 A. curassavica, Linn. CUCHILXITJ. 



Along the railroad, at the station of Ouan, Jan. 24, 1895 

 (195), fruits only. Island of Cozumel (Gaumer, 1885). 



A. pratensis, Benth. 



Along the railroad, at the station of Acalchen, Jan. 24, 1895 

 (193). Differs from the description in having roughly pubescent 

 leaves, especially on the veins above and beneath. 



METASTELMA, R. Br. 



M. parviflorum (Sw.) R. Br. 



Cynanchum parviflorum, Sw. Islands of Mugeres and Holbox 

 (Gaumer, 1886). 



ENSLENIA, Nutt. 

 E. racemosa (Jacq) 



Cynanchum racemosum, Jacq. Roulinia Jacquini, Decne. Yuca- 

 tan, loc. ignot. (Li/ide/i). 



