I038 



A TEXTBOOK OF THEORETICAL BOTANY 



Fig. 1029.- 

 tripartite 

 The leaves 

 cociouslv 



Berberis oggregata. Node showing a 

 spine formed from the leaf and stipules. 



of the axillary bud are developed pre- 



u 



Fig. 1030. — Ribes uva-crispa. Shoot showing spines 

 developed from the leaf base. 



