110 Self-Incompatibility in Hermaphrodite Plants 



TABLE I. 



Typical records for plants of three series of the I^ generation from 

 self-compatible parentage. 



Dates of self-pollination. Number of seed per head 



Pedigree 

 It 12-11- 

 No. 59 



51 



16 



Date of 

 first bloom 



49 



30 



63 



18 



25 



Julys July 5th, 17, 18; 7th, 11, 15, 18; 9th, 8, 7, 12, 13; 



10th, 5, 6, 10, 16, 19, 20 ; 25th, 3, 11, 14 

 June 29 June 30th, 9, 16, 22; July 5th, 15; 6th, 5, 12, 14; 



7th, 7, 15, 18; 10th, 2, 5, 5, 6, 7, 12, 13, 16 

 July 12 July 13th, 0, 3; 15th, 0, 2, 11 ; 16th, 6, 7, 12, 12, 13, 



13, 20 

 July 5 July &th, 11 ; 7th, 2, 9, 9, 9, 10, 13, 14 ; 9th, 6, 9, 10, 



10, 12 ; 18th, 0, 2, 2, 3, 8, 9, 9, 11 ; 20th, 1, 5; 

 24th, 2, 3, 4, 8 ; 25th, 2, 4, 6, 7, 8, 9, 13 



July 12 July 13th, 0, 0, 1,8; 14th, 0, 0, 2, 9 ; 16th, 3, 7, 9, 



11, 12 



July 21 July 23rd, 0, 0, 0, 0, 0, 0, 0, 1, 5, 9, 11, 12 ; 25th, 0, 9; 



27th, 0, 0, 2 ; 30th, 0, 0, 0, 0, ; 31st, 0, 0, 0, 0, 

 July 10 July 12th, 0, 0, ; 13th, 0, 0, 0, 0, 2, 2 ; 14th, 0, 0, 0, 



0, 0, 3 ; Aug. 6th, 0, 0, 0, ; 8th, 0, 0, 

 July 20 July 23rd, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3 ; 25th, 0, 



0, 0, 0, ; 27th, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 



Fertility 

 (per cent.) 



•60 



18 other plants self-fertile 



35 plants self-sterile 



Total flower-heads self-pollinated, 978 



•56 



•37 



•35 



•24 



•10 



•02 



•01 



R 10-8- 



No. 63 Aug. 4 



„ 140 July 27 



„ 37 July 29 



„ 173 July 23 



„ 20 July 21 



Aug. 6th, 0, 2, 3, 3, 5, 7, 8, 9, 10, 13, 15, 16, 17, 17 



8th, 0, 3, 7, 16 

 July 30th, 0, 0, 0, 0, 0, 8, 7, 7, 7, 7, 8, 9, 12 ; Aug. 9th 



0, 0, 0, 3, 4, 5, 7, 8, 18 ; 10th, 0, 3, 8, 8, 13, 15, 16 

 Aug. 1st, 0, 0, 1, 1, 1, 1, 1, 4, 8 ; 3rd, 0, 12, 12, 13, 15 



6th, 0, 1, 3, 4, 9, 9, 14, 17 

 July 25th, 0, 0, 0, 0, 4, 10; 27th, 0, 0, 0, 0, 0; Aug. 8th 



0, 0, 0, 1, 4, 6, 7, 10 ; 9th, 0, 0, 0, 1, 2, 4, 5, 6, 7 



8, 11 

 July 23rd, 0, 0, 0, 0, ; 27th, 0, 0, 0, 0, 0, 0, 0, 3, 5, 6 



30th, 0, 0, 0, 0, 1 



44 other plants self-fertile 

 128 plants self-sterile 

 Total flower heads, 1424 



•42 



•30 

 •29 



•14 

 •08 



R 9-34- 



No. 46 July 23 



„ 22 July 27 



„ 88 July 21 



„ 73 Aug. 19 



„ 91 Aug. 13 



July 25th, 6, 10, 10, 15, 15 ; 30th, 0, 0, 1, 6, 6, 6, 6 ; 

 'Aug. 9th, 0, 0, 2, 4, 6, 6, 7, 9, 13 ; 13th, 8, 3, 7, 8, 

 8, 8, 9, 12, 12, 12, 14, 18 ; 15th, 1, 1, 4, 5, 9, 9, 11, 

 12, 13, 14; 17th, 0, 8, 4, 7, 8, 9, 10, 10, 10, 11, 

 12, 12 -88 



July 30th, 0, 9, 9, 10, 12, 14 ; Aug. 1st, 0, 0, 0, 0, 0, 2, 6 ; 

 nth, 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, 6, 9, 11, 12, J 3, 15, 16 ; 

 15th, 0, 0, 1, 9, 10 ; 10th, 0, 0, 3, 3, 5, 6, 8, 9, 9, 11 -23 



July 23rd, 0, 0, 0, 0, 0, 0, 2, 3, 8, 8 ; 25th, 0, 0, 0, 0, 2, 3, 



3, 4, 7, 8 ; 27th, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 6 •lO 



Aitg. 20th, 0, 0, 0, 0, 0, 4, 4 ; 22nd, 0, 0, 0, 2, 3, 5 ; 

 24th, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 ; 27th, 0, 0, 0, 0, 0, 

 0, 5, 8 •OS 



Aug. 14th, 0, 0, ; 15th, 0, 0, 0, 0, 2, 4 ; 17th, 0, 0, 0, 



0, 0, 0, 0, 0, 0, 0, 0, ; 20th, 0, 0, 0, 0, 1 •Ol 



27 other plants self-fertile 

 81 plants self-sterile 

 40 plants impotent 

 Total flower heads, 2643 



