Thlaspi arvense L.

PLANTAE EXSICCATAE GRAYANAE
1142. Thlaspi arvense L.
Sp. PI. 646 (1758); DC. Prod. i. 175 (1824); Torr. &
Gray, FI. N. Am. i. 118 (l888) ; Gray, Man. ed. 5, 74
(1867); Macoun, Cat. Canad. Pl. pt. 1, 56 (l888) ; Rob-
inson in Gray, Syn. FI. i. pt. 1, 128 (l895); Britton &
Brown, 111. FI. ii. 114, fig. 1692 (l 897) ; Rydb. FI. Rocky
Sits*. 828 (1918) et FI. Pr. & PI. 861 (l932>; Hegi, FI.
#itt.-Eu. iv. pt. 1, 118, t. 128, fig. 1-lb(l914); Jepson,
Man. Calif. 487 (1925).
'Û Waste ground, Auburndale, Newton, Middlesex Coun-
ty, Massachusetts.
Coll. D.S.CoRRBLLs(no. 11457).	June 15, 1941.
THIS SPECIMEN USED F
ILLUSTRATION ED 3
NEW YORK BOTANICAL GARDEN
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