A. B. Stout 97 



Series 1. Twenty-nine sister plants bloomed from 15 to 58 days. 

 From 5 to 15 flowers per plant, and a total of 236 flowers, were allowed 

 to self-pollinate under bags. Special effort was made to include the 

 last flowers that bloomed. 



Seventeen plants were completely self-incompatible and did not 

 even produce small pods. Four plants produced small pods in nearly 

 all flowers selfed but all the pods were empty. Eight plants produced 

 pods for nearly all flowers selfed, and some seeds were present. The 

 total number of seeds per plant for these was as follows : 14, 10, 5, 3, 2, 

 2, 1, and 1. One of these gave 2 and 12 seeds in the second and third 

 flower that opened, while the 8 selfed on later dates gave only empty 

 pods. Another plant gave 1 and 4 seeds in the first and third flowers 

 to open. Another gave 3 seeds for 1 flower, the next to the last to 

 open. The others produced seed as noted in single pods for flowers that 

 opened near the mid-season of bloom. 



A plant of this series was planted in my home garden and allowed 

 to bloom in the open. Under such treatment many more flowers are 

 produced than when grown in pots. The plant bloomed from June 13 

 until Aug. 19. As many as 245 flowers were tagged for special observa- 

 tion. In the majority of cases no semblance of pods developed ; in a 

 small proportion, rudimentary pods about 2 cm. in length developed. 

 The third flower to bloom produced a pod 3 cm. in length with 3 seeds ; 

 other pods from 2*5 to 3 cm. in length were produced for flowers opening 

 on the following dates and contained seed as indicated : June 30th, 

 3 seeds ; July 1st, 6 seeds ; ^rirf, 5 seeds ; 4-ih, 2 seeds ; 6th, 1 seed ; 8th, 

 3 seeds; 12th, 3 seeds. Many flowers opening on the same and on 

 intervening dates produced no pods and seeds, and 143 tagged flowers 

 selfed on 21 dates later than July 12, all failed to produce seed. This 

 plant was repeatedly crossed with a plant of another series and proved 

 to be highly productive of seed, giving from 70 to 101 seeds in capsules 

 that were often 10 cm. in length. 



Series 2. Forty-one plants descended from a single seed parent 

 were grown in pots. They bloomed for periods of from 12 to 63 days. 

 From 5 to 18 flowers per plant were self-pollinated under bags. The 

 total of all flowers thus treated was 337. Fourteen plants were com- 

 pletely self-sterile and produced no pods ; 15 produced small pods in 

 nearly every flower but these contained no seeds or only shrivelled 

 rudiments of seeds; 11 plants produced small sized pods (2 to 6 cm. in 

 length) with only a few seeds ; and 1 plant was highly self-fertile. 

 The results for some of the 11 plants feebly self-fertile may be given. 



