Antirrhinum Ma jus Striatnm. 
125 
ceeded better than I had anticipated ; for at the end there 
turned up a certain number of groups which corresponded 
sufficiently closely to equal subdivisions of a scale to 
warrant their selection as ordinates. I admit of course 
that this method is not free from the personal factor; 
but for the case under consideration it sufficed, since, 
when the same group of flowers was sorted again, the 
result agreed sufficiently well with the first trial. 
I plotted three curves in this way in 1897; each was 
based on one typical flower of the terminal spikes of all 
the plants flowering on a bed. The three beds contained 
the offspring of three individual striped plants of the 
1894 harvest, seeds of which had been saved and sown 
separately; but whose flowers had been left to be polli- 
nated by insects in the midst of a larger culture. More- 
over the seed-parents were selected without reference 
to the degree of their striping, and so the curves give an 
idea of the average composition of the commercial race, 
I thus obtained the following table : 
STRIPES 
COLOR-EFFECT 
A 
B 
C 
Almost absent 
Lemon yellow (g) 

6 
4 
Very fine 
Yellow 

9 
18 
Narrow 
Dark yellow 
2 
12 
30 
1-2 mm broad 
Reddish yellow 
5 
15 
53 
1-3 mm broad 
Narrowly striped (s) 
18 
22 
84 
1-5 mm broad 
Coarsely striped 
28 
22 
31 
1-6 mm broad 
Broadly striped (b) 
42 
21 
16 
Broad fields 
Half yellow, half red 
26 
12 
10 
Uniform red 
Red (R) 
37 
9 
15 
Number of individuals 
158 
128 
261 
These figures are exhibited in the form of a curve in 
Fig. 22; in the case of the figures under C the scale or 
unit of the ordinates is half of that selected for A and B. 
