202 Humbert. 
two types for each of the characters studied. This tendency was also 
plainly marked in the experimental field as large and small plants 
were found in each row of 250—ı6a and in any section of each 
row. This is shown by a glance at table 12 which gives some of 
the figures recorded in the field note book. 
45 
40 
35 
30 
20 
Do 
a O 
- + nN [o] n Vo a a in e) - + nw fo) nn 
- - - a a a a n n nm + + + un un 
lee ee ul We eles eel A ae 
fon a in ee) - + nN ° ine) a a wn X - 
- a - a a >) nm nm nm n + vt vt un 
Fig. 6 
oe 19 = 250 — 14a 
Du — — I = 250—16a 
dm 1 ———+} = 250— 20a 
