— rotundifolia, v, 63.

— sagittata, v, 56.

— striata, v, 76.

— triloba, v, 57.

— tripartita, v, 73.

— uliginosa, v, 72.

— villosa, v, 61.

Xanthium maculatum, i, 151.

Zizia pinnatifida, xlv, 175.

Botany, fossil.