PLATE VII. 



Onagra argillicola. 



i, 2, leaves of young rosette ; .3, leaf from adult rosette ; 4, stem-leaf ; 5, flower with petals removed 

 6, bract ; 7, flower-bud ; 8, flower-bud immediately previous to opening, with stigma exposed ; 

 g, petal ; 10, capsule, i to 4, one-half natural size ; 5 to 10, natural size. 



