Pirate LXXVII 
Evidence of tripsacoid characters in Nobogame cobs. A. These maize cobs are from a 
typical field where hybridization with teosinte was known to occur. Actual size. B. 
The short, thick rachilla inclined to the axis, the slightly upeurved glumes, and the 
pronounced glume cushions suggest the introgression of tripsacoid segments on chromo- 
some 9, and possibly chromosome 4, from teosinte. The rachis tissue is comparatively 
soft and the central pith is well developed. 3 actual size. 
