488 Selective Elimination in Staphylea 
TABLE XXII. 
Comparison of Absolute and Relative Variabilities 
for 1906. 
Standard Deviation 
Coefficient 
Material 
and 
of 
Probable Error 
Variation 
Ovules per Locule 
Series A 
•968 ± -020 
13-382 
Series B 
•774+ '010 
10-104 
Series C 
•685 + •Oil 
8-762 
B— A 
- -194+ •o^a 
- 3-278 
C— B 
- ^089+ -015 
- 1-342 
C— A 
- -283 ±-023 
- 4-620 
Ovules per Ovary 
Series A 
2^497 + ^090 
11-528 
Series B 
1 -895 + ^042 
8-247 
Series C 
1^594+^046 
6-795 
B— A 
- ^602+^099 
- 3-281 
C— B 
- -301 ±-062 
- 1-272 
C-A 
- ^903+ -101 
- 4^553 
Problem 3. The frequency of the different asymmetry classes in the three 
series is given in Table XL. The three differences of the relative frequencies are 
given in Table XXIII. 
TABLE XXIII. 
B-A 
C— B 
C-A 
•0000 
+ 3-751 
+ 8-495 
12-246 
•4714 
+ 3^064 
-9-790 
- 6-726 
•8165 
- 4^877 
+ 2-067 
- 2-810 
-9428 
- 1 ^790 
- 1 -077 
- 2-867 
1-2472 
The results show that as the size of the fruit increases the symmetrical fruits 
form a higher percentage of the entire population, while the asymmetrical fruits 
of the various grades become relatively fewer. Our numbers are small and some 
irregularity is to be expected. 
The average asymmetries are : 
A, 6—10 mm. long, Mean = '3822 + -0160. . 
B, 11—15 mm. long, Mean = -3381 + 0091. 
C, 16—20 mm. long, Mean = -3025 + -0126. 
B— A= --044 + -018. 
C— B = --036 ± 016. 
C— A = - 080 + -020. 
