Seed mostly shed. Rarance. Only near Collection station up to 3 ft. high. Apparently heavily browsed one or two years ago but not recently. This may account for large leaves. Mariola present every- where. Rocky limestone rubble. 10.3 miles southeast of Cuencame', near Hwy 49 to Fresnillo, Zgo. Sept 8, 1976 76080 Parthenium confertum var, No basal leaves present. Heads small. Same locality as 760[illegible] 76081 C[illegible] Cucurbita foetidissima 2 miles northeast of El Soco and the junction of Hwy 45 and 10. Chilmaloya. Sept 10, 1976