398 
KARL 
B. KRISTOFFERSON 

TABLE 2. 
Tested variety 
Chocolate brown ... | 
» 
» eee 
| Brown bean............ 
Dr I een ode ces 
100 to ] 
DU oka Ser amet ee mem pac 
| Saxonia 
| Amerik. repfri......... 
| ET PA sal ea een 
| Risbrinken 
| » 
» 
DET Looneo nee 
» 
» 
» 
TABLE 3. 

of 1919—1920. 
2 
Bean-culture 
Number | 

North stare el 
MSAXONIA AMEN | 
Risbrinken 
| North star 
» 
Risbrinken:... 2... 
| Chocolate brown ... 
Brown bean ‘+... 
Risbrinken ............ | 
Uppland use 
| North star 
Risbrinken 
North: star x... 
Chocolate brown... | 
Brown bean <)..<.... 
Amerik. repfri_...... | 
ADD MORE TS RS | 
| » 
| Amerik. repfri | 
Brown bean .«....... 
Chocolate brown ... 



| Main groups 




Percentage of crossings found in the experiments 


104 5 CR ae 
SZ [ay la 4] = | 
7 7 | 209 3 | 1, 
6 12 | 152 3 | in 
3 9 | 77 | 10 | 12, | 
4. + 17. | 352 1 | 0,28 | 
6: kT Be SAT | 
5 | "47 | 218 |° 0 | 0,00 | 
HR Pave CAO 0,00 | 
13:1 793 1.252014 0 0,00 | 
RE 18 | 0 | 0,00 | 
Lira Tete 0,00 | 
DR 2 10 0 0,00 
9 [LA ev 7-0) 
2 3°) 18420 0,00 
N 5 | 35°] 0° | 00 
a RR Re a REA 
A Re OS ANGES LA 0,00 
1 La Mer 0 | 0,00 
1 1 | 3 0 0,00 
8 | 12 | 162 | 2 | 1,23 
4 8 | 40 | 0 | 0,00 
2 2 42. | 2 4,76 
1 | 3 55 | 0 0,00 
FR AT ae 53 | 1 | 1, 
86 | 177 |2,170| 25 | 1, 

Percentage of crossings found in the main groups. 

Sword-beans ‚Haricots vert 

| Shell-beans 
| # of hybrids in 1918.............2......... | 1,01 | 0,27 | 
% of hybrids in SOTD T NUS | 1,55 | 1,32 | 
AVERMM EN Uri RE EE | 1 42 | 0,80 
Indeed, one is inclined beforehand to suspect differe 
2,33 | 
0,00 | 
0,19 
nces in 
the tendency to cross-pollination, as there are differences in the con- 
struction of the flowers with regard to the longer pushing out of the 
stigma of some 
varieties than of others. 

À 
