110 =Self-Incompatibility in Hermaphrodite Plants 
ee TABLE I. 
Typical records for plants of three series of the I, generation from 
self-compatible parentage. 
7 Date of Fertility 
Pedigree first bloom Dates of self-pollination. Number of seed per head (per cent.) 
R 12-11- 
No. 59 July 5 July 5th, 17, 18; 7th, 11, 15, 18; 9th, 3, 7, 12, 13; 
10th, 5, 6,10, 16, 19, 20; 25th, 3, 11, 14 -60 
wok June 29 _, eee 9, 16, 22; July 5th, 15; 6th, 5, 12, 14; 
it 1S 18s 10th, 9,5, 6, 6, 7, 12,13, 16 “56 
wy 6 July 12 jk 130 0,3; 15th, 0,2, 11; 16th, 6, 7, 12, 12, 13, me 
i 49 July 5 July tix us 7th, 2,9, 9, > e 13, 14; 9th, 6, 9, 10, 
10, 12 8th, 0, 2, 2, 9, 9, 11; 20th, 1,8: 
Sih, $5 1 by 2a 34 '6 7, 8 boas" 35 
» 30. July12 July ae 0, 0, 1, 8; 14th, 0, 0, 2, 9; 16th, 3, 7, 9, ey 
il, . 
» 63 July2l July Fe 0, 0, 0, 0, 0,0, 0,1, 5,9, 11, 12; 25th, 0, 9; 
th, 0, 0, 2; 30th, 0, 0, 0, 0,0; dist, 0, 0, 0, 0,0 “10 
» 18 July10 July 12th, 0,0,0; 13th, 0, 0,0, 0, 2,2; 14th, 0,0, 9, 
) Lo. Ug 6th, 0, 0,0, 0; 8th, 0, 0, 02 
» 25 July20 July 23rd, 0, 0, 0, 0, % 0, 0, 0, 0, 0, 0,1, 3; 25th, 0, 
0, 0, 0,0; 27th, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 ‘01 
18 other pe ack fertile 
35 plants self-sterile 
Total iechionts self-pollinated, 973 as 
R 10-8- ; 
No. 63 Ang.4 Aug. 6th, 0, 2, 3,3, 5, 7, 8, 9, 10, 13, 15, 16, 17, 17; 
th, 0, 3, 7, 16 42 
» 140 July 27 July 30th, 0, 0, 0, 0, 0, 3, 7, 7, 7, 7, 8, 9,12; Aug. Ith, 
0, 0,0, 3, 4, 8, 7, 8, 18: 20th, 0, 1, 8. 8, 18, 15,16  °80 
» 387 July29 Aug. Ist, 0, 0,1, 1,1, 1, J ee 8; 3rd, 0, 12, 12, 13, 15; 
3 6thgO, 1, 3, 4, 9, 9, 14, 17 "29 
» 173 . July 23. July 25th, 0, 0,0, 0, 4, - ’ 27th, 0, 0,0,0,0; Aug. 8th, 
0,-0,.0, a Oy: ty 40 9th, 0, 0 0, 0, 1, 2, 4, 5, 6, 7, an 
» 20 July 21 July 237d, 0, 0, 0, 0; 0; 27th, 0, 0, 0, 0, 0, 0, 0, 3, 5, 6; 
:, 0, 0, 0, 0, 1 "03 
44 other plagts self-fertile 
128 plants self-sterile 
Total flower heads, 1424 
No, 46 July 23 July 25th, 6, 10, 10, 15, 15; 30th, 0, 0, 1, 6, 6, 6, 6 ; 
ug. 6, 6 7 
8, 8, 9, are 12, “g ah ey i a5 ‘et 9; 9, ‘U, 
» 22 ~ July 27 eperes 9, 9,10, 12, 14; rare ari ras rp 
Lith, 0, 0, 0,0, 0, 2, 2, 6, 6; 6th, 0, 0, 0, 0, 0, 12 
13th, 0, 0, 0, 1, 2, 4, 5, 6, 
5th , 9, 10 : 
> 0, 0,0, 0, , 3,8, 
; 27th, 0, 0, 0, 0 
vw. 8 Aug. 19 Aug. 20th, 0, 0, 0, 0, 
24th, 0, 0, 0, 0, 0, 
2, 
4, 
VU; > 
» 88 July21 July 23rd, 0, 0 
3, 4, 7,8 
% 8 
pee Se Aug. 13 dug. ‘ith, . ® 0; 15th 
0, 0, 0, 0, 2, 4; 17th, 0, 0, 0, 
0, 0,0, 0,0; 90h, 0,0,0,0,1 Oh 
27 other rs self-fertile 
81 ns os ile 
plants impotent 
Total “pai heads, 2643 
