PLATE 7 



PAGE. 



Figs. a-e. Onagra biennis. Radium culture No. 9a, narrow-leaved 

 side of the plant, a, flower (minus corolla) with bract; b, 

 flower-bud; C, nearly mature capsule with bract; d, petal; e, 



leaf from main stem 



244 



f-k. Onagra biennis. Radium culture No. 9a, broad-leaved 

 side, f, leaf from main stem; g, petal; h, flower (minus 

 corolla); i, flower-bud; k, capsule with bract .... 244 



