94 



ON SEEDLINGS 



w- 



FIG. 454. Scabiosa atropurpurea . A, vertical section through involucel and ovary, 

 x 5 : I, involucel ; F, wall of ovary. B, Chrysanthemum coronarium, vertical 

 section through ovary of hermaphrodite floret, x 5 : W, wing. C, vertical section 

 through ovary of female floret, x 5 : W W, wings ; It, ray floret with part of ligulate 

 corolla cut away. D, Scabiosa atropurpurea, germination, x 8: Cal, the five seg- 

 ments or bristles of the calyx. 



