54 , FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



SYNEDRELLA, Gaertn. 



S. nodiflora, Gaertn. 



Campo about Izamal, Jan. 23, 1895 (185). 



BIDENS, Linn. 



B. pilosa, Linn. 



Island of Cozumel (Gaumer, 1885). 



B. Alansensis, H.B.K. 



Compo about Izamal, Jan. 23, 1895 (170). 



CALEA, Linn. 



C. - - sp. 



Old clearing near Mascab Pixoy, Jan. 22, 1895(168). 



TRIDAX, Linn. 



T. procumbens, Linn. 



Campo about Izamal, Jan. 23, 1895 (218). Yucatan, loc. 

 ignot. (Linden). Island of Cozumel (Gaumer, 1885). 



FLAVERIA, Juss. 



F. linearis, Lag. 



Island of Cozumel (Gaumer, 1885). 



F. longifolia, A. Gray. 



Island of Holbox (Gaumer, 1886). 



TAGETES, Linn. 



T. tenuifolia, Cav. 



Campo about Izamal, Jan. 23, 1895 (179). 



NEUROLAENA, R. Br. 



N. lobata (Linn.) R. Br. 



Conyza lobata, Linn. Yucatan, loc. ignot. (Johnson). 



TRIXIS, P. Br. 



T. radialis (Linn.) O.K. 



Perdicium radialis, Linn. Trixis Inula, Crantz, Trixis fru~ 

 tescens R. Br. Apex of the Cerro Grande, Izamal, Jan. 13, 1895 

 (56). 



