186 KARL B. KRISTOFFERSON 
in the case of the variation of the stem-height. Even here it was 
possible that special factors for seed-size could have a disturbing in- 
fluence on the results. 
The results of the weighings are presented in the tables 13—15. 
As the number of individuals was rather small I have only calculated 
the means and have not made any statistical examination of the 
certainty of the differences. 
TABLE 13. The variation of the weight of 1000 grains in D;. 
D.,-plants BbRr. 
Weight of 1000 grains in gr. 
Flower colour Total | Mean 
1,10 1,20 1,30 1,40 1,50 1,60 1,70 1,80 1,90 
Dark-blue ......... use - | 117 6.38.41. 217 eo a ge im 
Reds. rer. Pee EE a] 24 1001731720 ara ee 
Lighi-blue......... 27.1210 s 0 1 | —|— | — | — 17 1,22 
White ,22.5%7: | 1 51 2}/—};—}—}]—/|—}]-|- 8 1521 
TABLE 14. The variation of the weight of 1000 grains in D;. 
D;-plants bbRr. 
| Flower Weight of 1000 grains in gr. 
Total | Mean 
colour 1,20 1,30 1,40 1,50 1,60 1,70 1,80 - 1,90 
| | 
Red -{—|-1] 2 [as 2510 | 4| 2 62 | 1,6 
White 1 7 | 12 4 | 0 | 1 | — | — | — 25 1,31 
TABLE 15. The variation of the weight of 1000 grains in Ds. 
D.-plants Bbrr. 
à Weight of 1000 grains in gr. 
Flower colour 
Total | Mean 
u 1,10 1,20 1,30 1,40 | 
PÉight-DIue oy (es kel te | 12 | 10 | 2 | 1 28 gr 
—s 
| White RS RUE LE? 1 | 9 | 7 | 0 | 1 
8 | 1 | 
