In May 1867, Herrera and Mendoza published another paper, this one on a “cockerel weed” known as matlaliztic Tradescantia erecta by the indigenous people. It came at a time of political crisis, since the imperial army was suffering continual defeats at the hands of the republicans.
En mayo de 1867 se dio a conocer otro escrito de Herrera y Mendoza, esta vez referente a la yerba del pollo que los indígenas llaman matlaliztic Tradescantia erecta, en un momento de crisis política, pues eran continuas las derrotas del ejército imperial frente a los republicanos.