172 ALTERATION OF POSITION. 
normal condition in the curious Stangeria paradoxa,' 
and Mr. Berkeley records an instance of this in sea- 

Fig. 83.—Adventitious buds in sea kale. 
kale’ (fig. 83) where the crown had been injured, and 
buds were seen sprouting from its centre. 
It will be remarked that the adventitious production 

Fic. 84.—Hyacinth bulb cut Fie. 85.—Showing the formation 
across to induce the formation of of new bulbs on the cut edges of 
new bulbs. an old hyacinth bulb. 

' Carriére, ‘ Revue Horticole, 1868, p. 184. 
? ‘Gard. Chron.,’ 1858, p. 556. 
