PLANT ORGANS AND ORGANISMS 
123 
Fig. 57. — Leaf bases (12-17); leaf apices (18-26); compound leaves (27-31). 
Cordate (12); auriculate (13); connate-perfoliate (14); sagittate (15); hastate 
(16); peltate (17). Acuminate (18); acute (19; obtuse (20); truncate (21); retuse 
(22); emarginate (23; cuspidate (24); mucronate (25); aristate (26). Imparipin- 
nate (27); paripinnate (28); bi-pinnate (29); decompound (30; palmately 
5-foliate (31). 
