90 



BOTANICAL GAZETTE 



[februaey 



Lexington A, B, and E germinated readily. Since no variation 

 was noticed among the hundreds of seedhngs of these three strains, 

 all were discarded except 30 of each, which were potted oflf for the 

 field cultures. The seeds of Lexington C, however, had been 

 planted too deeply in unsuitable clay soil, and, although the seed 





Fig. 3. — Fi progeny of Oeiiolliera pratincola: four of the 9 seedlings which consti- 

 tuted the first culture of Lexington C; the 2 upper plants, Lexington C-i and C-2, are 

 mut. nnimnularia; the latter bore seeds which gave rise to the Fi culture referred to in 

 table I; the 2 lower plants are typical 0. pralincola. 



pan received the same treatment as the rest, weeks passed before 

 any seedhngs appeared. At length 9 plants were obtained which 

 were potted off. Almost from the first, they showed remarkable 

 variation among themselves. Six (nos. 3, 4, 5, 6, 8, and 9) were 

 tj-pical 0. pralincola, and agreed in all characters with the seed- 



