STERILITIES OF WILD AND CULTIVATED POTATOES. 
11 
Table 1. — Potato crosses grouped according to pollen parent recorded by the United 
States Department of Agriculture during the 9-year period from 1914 to 1922, inclu- 
sive — Continued . 
Date of 
crossing. 
Number of— 
Parents. 
involved, 
in cross. 
^-7 I3g 
• produced. 
Percent- 
age of 
Aug. 7, 1914 
Do 
Aug. 13,1914 
Aug. 5, 1917 
Aug. 7, 1914 
Aug. 13.1914 
Do.. 
Julv 26,1916 
Aug. 13. 1914 
Julv 28,1916 
Julv 27,1916 
Auk. 5,1917 
Aug. 7. 1914 
Julv 28,1916 
Aug. 13,1914 
Aug. 5, 1917 
Aug. 13, 1914 
Aug. 3, 1915 
Aug. 14,1914 
Do 
13,1914 
5,1917 
Aug. 
Auk- 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Aug. 
Do 
Do 
Aug. 
Aug. 
Aug. 
6,1917 
13,1914 
5, 1917 
6,1917 
July 27,1916 
Aug. 7, 1914 
Do 
Aug. 11,1915 
Julv 2$, 1916 
Aug. 13.1914 
Early Michigan X Green Mountain 
Early Thoroughbred X Green Mountain 
FarysX Green Mountain 
Francesca Colorada (S. A. No. 86) X Green Moun- 
tain 
Garnet ChiliX Green Mountain 
Geyminx Green Mountain 
GracyaX Green Mountain 
Green Mountain X Green Mountain 
Krolewicz X Green Mountain 
McCormickx Green Mountain 
Mclntvrex Green Mountain 
Morada C S . A . No. 84) X Green Mountain 
New Scotch RoseX Green Mountain 
Perfect PeachblowX Green Mountain 
PetroniusX Green Mountain 
Picun (S. A. No. 52 )X Green Mountain 
Potentat X Green Mountain 
Rural New YorkerXGreen Mountain 
Seedling 18714 X Green Mountain 
Seedling 1S748X Green Mountain 
Senator X Green Mountain 
Solanum sp. (8. A. No. 15) X Green Mountain. 
Solanum sp. (S. A. No. 24) x Green Mountain 
Solanum sp. ( S. A. No. 28) x Green Mountain 
Solanum sp. (S. A. No. 37) x Green Mountain 
Solanum sp. (S. A. No. 41a) X Green Mountain. . . 
Solanum-sp. ( S. A. No. 48) X Green Mountain 
Solanum sp. (8. A. No. 69; x Green Mountain 
Solanum sp. (S. A. No. 72) x Green Mountain 
Solanum sp. (S. A. No. 92) X Green Mountain 
Solanum sp. ( S. A. No. 128) x Green Mountain. . . . 
Solanum sp. (S. A. No. 148) x Green Mountain 
Solanum sp. (S. A. No. 152) X Green Mountain 
SwitezX Green Mountain 
Torrenco (S. A. No. 63) X Green Mountain 
Tuquerrena Blanca (S. A. No. 182)xGreen 
Mountain 
Up-to-DateX Green Mountain 
VigorosaX Green Mountain I 
White Chief X Green Mountain | 
White McCormickx Green Mountain 
Yellow-fleshed variety X Green Mountain , 
Zbyszekx Green Mountain 
Total and average. 
1914 
Aug. 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Do 
Julv 27.1916 
Julv 28,1916 
July 30,1915 
Julv 25,1921 
'Do 
Countrv Gentlem en x Irish Cobbler 
Early Albinoxlrish Cobbler 
Early Eureka X Irish Cobbler 
Earlv MichiganX Irish Cobbler 
Early PetoskeyXlrish Cobbler 
Early standard fDreer's)X Irish Cobbler. 
Early Thoroughbred x Irish Cobbler 
FlourbaliX Irish Cobbler 
tch Rosex Irish Cobbler 
Triumphxlrish Cobbler 
Uo-to-Datex Irish Cobbler 
White TriuniDhx Irish Cobbler 
Total and average . 
ClioxKeeoer 
Factorx Keeper. 
Total and average 
Aug. 3, 1914 Dibble's Russetx Keystone. . . 
Aug. 10, 1915 Bull MooseXMcConnick 
Aug. 1 . 1921 Cliox McCormick 
Aug. 10,1921 do 
Aug. 10,1915 Dibble's Russet X McCormick. 
Aug. 10,1915 Early RockfordX McCormick. 
Aug. 9,1915 Green Mountainx McCormick. 
AX2 
-X2 
-X2 
AX2 
AX2 
— X2 : 
— X2 : 
AX2 
— X2 
AX2 
AX2 
— X2 
AX2 
-X2 
— X2 
— X2 
— X2 
AX2 
AX2 
-X2 I 
— X2 ! 
— X2 
AX2 
-X2 
-X2 ; 
-x2 : 
— X2 i 
— X2 ; 
~X2 I 
-X2 ; 
— X2 
— X2 ! 
— X2 ! 
AX2 
— X2 
-X2 
-X2 
AX2 
-X2 
AX2 
— X2 
-X2 
AX3 
-X3 
— X3 ! 
AX3 i 
— X3 i 
-X3 I 
-X3 
AX 3 ; 
AX3 
BX3 
-X3 
— X3 
AX1 
BX1 
AX- 
12 
3 
13 
15 
11 
22 
115 
21 
44 
36 
1 
4 
9 
19 
5 
37 
50 
26 
26 
32 
20 
4 
o 
2 
2 
4 
3 
3 
2 
4 
2 
6 
32 
1 
8 
7 
21 
2 
921 
59 
1.56 

o 
11 
13 
5 

45.45 

24 
5 
20.83 
l * 


—XI 
o 

A XI 
17 


AXl 
5 
55.56 
AX1 
21 
5 
23. 61 
AXl 
1 


AXl 
138 
1 
.72 
