THALAMIFLOE-E. 441 



Fig. 863. Fig. 864. 



Fig. 8e9 



Fig. S63. Diaeram of a Cruciferous flower. Fig. 854. Portion of tlie flower- 



iiigr branch of the Wallflower. Fig.h^Jh. Essential organs of tiie \^:\.\\- 



aov^-er iCheirantlnis Cheiii). r. Tlialamus. gr/. inlands, ec. Tetradynanious 



stamens, sti. Stigma. Fig. 8G0. Siliaua of the TValltlower, with one 



of tlie valve.s removed to show the rei>lum, and the stalked pendulons 



seeds. Fig. 667. Tlie silicnla of Shepherd's Purse i Tnla.-'pi Bursa PasU)r'.<) 



in the act of dehiscins. Fig. 8G8. Siliculaof the S'-urvygrass (Cochlears 



officinalis) in the' act^ of deiiiscinir. Fig. 869. The enihryo of Bumas 



orie:ititli!>. Fig. 870. The einhryo of the Cabbage (Urfl^sica oleracea), 



1. Undivided. 2. Horizontal section, r. Radicle, c. Cotyledons. 



