43° 



BOTANICAL GAZETTE 



[DECEMBER 



number of seeds per capsule. The Fi progeny, with few mutations, 

 came from capsules with about 200 seeds. (Perhaps the capsules 



TABLE II 



Analysis op the Fj culttxres of Lexington E, trom 4 Fi f. typica parents 



* Seeds from one capsule. 



t Plants of f. ^y^ica were grown to maturity as follows: Lex. E-s,4g plants from cultures 2, 3, 4. and 

 5, including all of the typica plants shown in figs, i, 2, 3, 4, and 5; Lex. £-19, 18 plants from ciutures i 

 and s; Lex. £-25, 23 plants from culture 5; Lex. E-43, 29 plants from culture 2. The remainder were 

 classified in the seedung stage and discarded. The mutatio^ were all retained and classified at maturity, 

 except that some of the weaker specimens of mut. setacea died at various stages of development. 



t Seeds of two capsules. 



§ Lex. E-43-70 was a new mutation combining characters of mut. nittda and mut. angustifoUa, two 

 frequent derivatives of 0. pratincola. 



had dehisced at the apex and lost part of their seeds, as frequently 

 happens. A normal capsule of 0. pratincola contains 300 seeds, 



