46 



MONOCOTYLEDONEJE. 



of their series in the next, and so on, barring 1 acci- 

 dents, for ever. 



Fig. 16. 



Section of a tulip bulb in autumn : a, the flower of the follow- 

 ing spring; 6, the succeeding division of the bulb which is per- 

 fected during the summer. 



It sometimes happens, that two or more of the 

 senior members come forth in the same season, and 

 either advance to flower or are detached laterally as 

 offsets, which may he separated without injury to the 

 remaining body of incipient gems. 

 Fig. 17. 



Section of a tulip bulb immediately after flowering : a, part of 



the scape pressed to the exterior by the succession division ; &, c, 

 AH offset produced during summer. 



