Sisymbrium altissimum L.

PLANTS OF PRINCE EDWARD ISLAND, CANADA
Sisymbrium altissimum L.
Souris, Kings County.
Slipping soil of cliff; abundant. Tall branching
plants (4 feet tall, 3 feet wide); flowers of a
pale greenish yellow. Heavily infected by
Albugo Candida.
No. 2034 Coll. D. Erskine July 17, 1953
A. J. Smith
(6 rep.)
Division of Botany, Science Service
Department of Agriculture, Ottawa, Canada
03197144