Fig 96. [Ball Mustard. Neslia paniculata] (L.) Desv.

Ball Mustard. Neslia paniculata (L.) Desv. Small fruits, greenish to light yellowish-brown, globular, 2 mm. in diameter, covered with net-veined ridges; 1–2 seeded, cotyledons incumbent. Not yet known in Michigan but may arrive any time. Native of Europe.


Fig 97. [Tall or Tumbling Mustard. Sisymbrium altissimum] L.

Tall or Tumbling Mustard. Sisymbrium altissimum L. Flowers cream-color; pods long and narrow; seeds reddish yellow, oblong, about 1.5 mm. long, the apex winged. Mucilaginous when wet. Cotyledons incumbent. Introduced from Europe. One of the worst weeds in the northwest.


Fig 98. [Hedge Mustard. Sisymbrium officinale] (L.) Scop.