THE LEAF. 
Fig 33. 
Fig. 34. 
Fig. 36, 
When feather-veined leaves have deep lobes, they 
are said to be pinnatifid. 
Fig. 36. 
Broad, round, shallow Sinus. 
Fig, 37. 
Fig. 33, with its open sinus, is further described 
as regularly pinnatifid. If the pupil choose. Fig. 34 
might be said to have its lobes overlapping, and Fig. 
