Ambrosia bidentata Michx.

The New York

Botanical Garden copyright r

det. Willard W. Payne

#378

Hybrid, ambrosia
Ambrosia bidentata

Ambrosia aptera.

NEW YORK BOTANICAL QABD6N

"""01878022

Harrisonville, Missouri.

8-24-27

Three plants found in a dense patch of Ambrosia
bidentata at least 200 hards from Amb ro si a aptera.
Two of the plants three feet high, erect. Thjg
plant (#378) about five feet high, much branched.
Leaves opposite, sessile, trifid with lower teeth
as in bidentata. Leaves and stems moderately
hirsute, hirtvato ¿hvolucre in the male* ciliate
cup-shaped with short beak.	^

^