re » oye ae, So? har - on Wee, (a ail hint 
‘The External Form of Plants 103 
185). If large and small leaflets alternate with one another, 
the leaf is zvéerruptedly pinnate (Figs. 186, 187). | 
Fic. 185.—Paripinnate leaf of Lathyrus ma- 
crorhizus [with auriculate or ear-shared sti- 
pules] the rachis ending in a point. 
Frc. 184.—Imparipinnate leat Fic. 186.—Interruptedly Fic. 187.—Interruptedly | 
of the ‘acacia,’ Robinia pinnate leaf of the po- pinnate leaf of Agz- 
_ Pseudacacia, with opposite  tato: | monta Eupatoria (with 
leaflets [and spinous stipules]. connate stipules]. 
In some cases the division into leaflets is repeated, and 
the leaf is then supradecompound. Thus we may have a 
biternate leaf (Fig. 188), [in which each of the trifoliolate 
sections is again trifoliolate], a dipzunate (Fig. 190), and even 
