16 FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



ALTERNANTHERA, Forsk. 



A. straminea (Mart). 



Megiphanes straminea, Mart. Island of Cozumel (Gaumer, 1885). 



GOMPHRAENA, Linn. 



G. capituliflora. 



Campo about Izamal, Jan. 23, 1895 (174). 



G. vermicularis, Linn. 



Island of Holbox (Gaumer, 1886). 



IRISINE, P. Br. 



I. celosioides, Linn. 



Island of Cozumel (Gaumer, 1885 and 1886). Yucatan loc. 

 ignot. (Johnson}. 



I. luzuliflora, Griseb. 



Plentiful on the north slope of the Cerro Grande, Izamal, Jan. 

 J 35 J 895 (59)- On the ruins of the Monjas, Chichen Itza, Jan. 17, 

 1895. In our specimens the stem is ligneous and nearly erect. 



PHYTOLACCACEAE. 

 RIVINA, Linn. 



R. humilis, Linn. 



Island of Cozumel (Gaumer, 1885). 



R. humilis glabra, Linn. 



Base of smaller mound, Izamal, Jan. 14, 1895 (85), in flower 

 and young fruit. Growing in crevices of masonry, old Hacienda, 

 Chichen Itza, Jan. 17, 1895 (101), in flower and ripe fruit. 

 Among the rocks, South Point, Island of Mugeres, in flower and 

 ripe fruit Jan. 2, 1895. 



R. scandens (Linn.) Mill. 



Rivinia humilis scandens, Linn. Viltamilla octandra t Hook. 

 Yucatan, loc. ignot. {Johnson). 



R. laevis, Linn. 



Islands of Mugeres and Cozumel (Gaumer, 1886). 



PETIVERIA, Linn. 



P. alliacea, Linn. 



Yucatan, loc. ignot. (Linden, Johnson). 



NYCTAGINACEAE. 

 MIRABILIS, Linn. 



M. longifolia, Linn. XPAK-UM-PAK. 



Frequent about the ruins of Chichen Itza, Jan. 18, 1895 (121). 



