Taste VI. Comparison between certain morphological features of 
Richards’ Caves and Tonto maize cobs. 
Richards’ Caves ‘Tonto 
t-value d.f. Probability 
Teosinte Int. 3.03 
Kernel Rows 10.36 
Diameter (mm. ) 18:27 
Length (cm. ) 8.74 
2.89 
10.04 
16.46 
8.26 
5.02 1901 
2.76 1890 
7.66 1917 
1.52 593 
= 01 
a 
i 
2 05 
Taste VII. Test for significance of correlations between Teosinte 
introgression and kernel rows, diameter and length for Tonto cobs. 
Character Correlation fe i Probability 
Kernel rows 
(a) fasciated cobs 0.296! 4 >.05 
(b) round cobs -0.951? 4 <.01 
Diameter 0.9847 4 <.01 
Length 0.725! 10 <.01 
Length 0.978? 10 <.01 
1 Linear 
? Reciprocal curvilinear 
Taste VIII. Frequency and average dimensions (mm.) of various 
types of caryopses from Tonto. 
Phickviess 
Type Frequency Length Width 
Flour — Y 13 8.0 9.0 5.8 
Flour — P 9 8.3 8.0 6.2 
Flint - Y 374 8.0 8.0 4.8 
Flint — P 72 ee 8.0 5.1 
Fragments 43 
Y — yellow endosperm, colorless pericarp 
P — red or cherry (solid or variegated) pericarp 
[115 ] 
