Overwintering and Dissemination of Cucurbit Mosaic 
Plate 3 
MOSAIC POKEWEED LEAVES, FRUITS OF MOSAIC PEPPER, AND MOSAIC 
PIGWEED PLANT 
A. Young leaves of mosaic pokeweed infected with cucurbit mosaic. Healthy pokeweedleaf 
at right. Madison, Wis., 1922 
B, C, D. Fruits of mosaic pepper plant, Capsicum annuum , showing dark green wartlike 
areas on surface. Madison, Wis., 1920 
E. Mosaic plant of the pigweed, Amaranthus retroflexus, showing mottling of foliage and 
dwarfed growth. Inoculations from this plant produced mosaic symptoms on healthy cucum¬ 
ber. Healthy pigweed plant at left. Madison, Wis., August, 1922 
