24 FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



HETEROPTERYS, Kth. 



H. floribunda, H.B.K. 



Yucatan, loc. ignot. (Johnson}. 



H. Lindeniana, A. Juss. 



Yucatan, typ. loc. ignot. (Linden}. 



H. longifolia, H.B.K. 



Yucatan, loc. ignot. (Johnson). 



MALPIGHIA, Linn. 

 M. undulata, Juss. 



Island of Cozumel (Gautner, 1886). 



BUNCHOSIA, Rich. 

 B. Lindeniana, A. Juss. 



Yucatan, loc. ignot. (Johnson}. 



BYRSONIMA, Rich. 

 B. Karwinskiana, A. Juss. 



Yucatan, loc. ignot. (Johnson). 



B. crassifolia, H.B.K., var. (Hemsl.) 



B. Cumingiana, A. Juss. Island of Cozumel (Gautner y 1885). 

 "Not common." 



ZYGOPHYLLACEAE. 

 TRIBULUS, Linn. 



T. terrestris cistoides (Linn.) Oliver. Abrojo. CHANXNUC. 

 Tribulus cistoides, Linn. Streets of Progreso, May, 1887, Jan. 

 26, 1895 (200). 



T. maximus, Linn. 



Island of Cozumel (Gaunter, 1885). 



RUTACEAE. 

 RUTACEARUM, Hemsl. 



R, Gen. et. sp. nov. Hemsl. 



Island of Mugeres (Gautner, 1886). "This may prove the 

 type of a new genus; but without fruit it is impossible to be 

 sure on this point." Hemsley. 



ZANTHOXYLUM, Linn. 



Z. pterota, Linn. 



Island of Cozumel (Ganmer, 1885). "Not common.' 



ENSENBECKIA, Kth 



E. pentaphylla (Macf.) Griseb. 



Island of Mugeres (Ganmer, 1886). 



