Xanthium strumarium var. canadense (Mill.) Torr. & A.Gray

NEW YORK BOTANICAL GARDEN
03199959
3	CO	1-3		H,		CO
p	d	3*		O	P	CO
CJi	p*	CD		3	3	d
	3			3	•	•
p*	CD	CO		P		
CL	CO	P*			Cl	a
CD		CSI	3	O	P	P
3	p	CD	O	P	<	<
c+	3		c+	<J	P	P
P*	CL	0	O	P	3	3
Pj		Hj	3	3	P-	P-
P*	d-		O	P*	H	H
CD		c+-	3	1—1	M	H
CL	CD	d*	d	H	CD	CD
		CD	cr	CD	CO	CO
P	Cf			CO	P-	P*
CO	CD	Hj		P*	H*	P'
	P	3	d	P*		
3		d	CD			.—
d (D	P	p. c+	3 CO			an 0
3	3	CO				3*«
CO	CD		H			O
*<«	CO	p	<i			d
H		3	P			
<1	P*	CD	3			
p	B		P*			
3	p*	O	O			t)
P-	P*	Hj	d			»
O	P		3			
d	3	3				f
3		d	2,			0
•	c+	CD	P			<5
—	O	3 CO	H H			CD
			3			8°
	cr	M	•			
	P	<1				d
	d*	P 3	1			•
	O	P-				tJ
	3)	O g	pl			P 3
	S	3	d"			CO
P- =
c+
P c+
l—i e<j
P-d
0 CD
1 Jf
m d 3
c+ •
•-3:c+
3* 3*
CD CD
73 ir
p p
3 p.
CD 3
*3 CO
c+ V»
H) c+
3 ^
d CD
p*
c+
HERBARIUM OF THE UNIVERSITY OF MICHIGAN
. Photoperiodic Responses of Races of Xanthium strumarium
strumarium l., complex (See annotation by Doris
Love)
in greenhouses of the University of Michigan Botanical Gardens,
Dixboro, Washtenaw County, Michigan.
Specimen prepared 7 Oct. , 1963	by	W.	E.	Alexander	and	B.	G.	Kang
No. 51
Seed originally collected 15 Oct. , 1962 at Otsego Co« line,
\ mile south of Crawford/Otsego line. Michigan
by P.M. Ray
and assigned seed lot no. 62-21
This plant is from the first
generation derived from the above seed.
Photoperiodic responses of this race are reported under strain no. 33	by
P. M. Ray and W. E. Alexander, Amer. Jour. Bot., Vol. 53, pj£ 8l0 ,	1966.
03199959