X

Xanthium canadense, 140
commune, 140, 152, 591
commune Wootoni, 22
Wootoni, 140, 152, 591

Y

Yarrow, 131, 132
Yew, 136, 169
pyramidal, 618

Z

Zea Mays cryptosperma, 641
tunicata, 641
Zinnia, 490
Zioberg, 466
Zocher & Co., 230