Fig. 4. a. b. c. Diagrams showing: different forms of grafting: used in 
producing Winkler’s tomato-nightshade chimeras (graft-hybrids): shaded 
portions representing scion tissue, unshaded, stock tissue, a. Splice 
grafting, b. Cleft or wedge grafting, c. Saddle grafting, d. Sectorial 
chimera (shaded portion, nightshade: unshaded portion, tomato tissue), 
e. Chimera leaf, part nightshade and part tomato, f. Nightshade, g. Chi- 
mera (sounum tusitcense). h. Tomato. After Winkler. 
