GABRIELLE L. C. HOWARD. 55 



200, 142 and 190 ; those in which all the plants were tall, cultures 

 35, 15, 9, 163 ; and cultures in which both short and tall 

 plants occurred, Nos. 202, 27, 231 and 8. In the last four 

 cultures it was quite easy to separate the tall and short plants by 

 eye, and although neither class was uniform, the short and tall 

 plants together did not form a perfect series. Among the 

 cultures with short plants, two have apparently bred true, 

 No. 251 and No. 190. In 1912, No. 251, with a height of 48 cm.^ 

 was the shortest plant in the r2 generation ; in 1913, this gave 



lY. 



Type 9 x Type 51. 



6 7 5 9 6 4 2 4 6 1 i__ — __________ 128 



93 



19 7 7 14 8 6 3 2— 2 — — — — 

 6 3 5 11 10 8 12 10 7 7 — 3 2 1 



1 3 1 5 13 13 18 16 9 17 5 9 7 9 2 7 

 7 4 6 10 9 8 10 12 13 5 7 5 3 1 2 1 



94 

 136 

 126 



172 



________________________ 164 



_________________________ 172 



________________________! 90 



________________________ 173 



1_______________________ 168 



15 5 4____________ — — — ___ — __170 



16 8 11 7 5 1 6 — — — — — — — — — — — — — — — — — |109 



29 26 35 11 11 4 i_____________ — _ — — Il65 



3 7 12 15 17 20 28 21 14 18 8 5 1 1 ____ — — ___ — 177 



Mean height Tvjx' it-l!tl3. 575 cm. 



Type 51—1913, 188 3 cm. 



F^ cultxirc 738—96—1913. 60 1 cm. 



F, culture 738—58—1913, 98- 7 cm. 



