(234 PHARMACEUTICAL BOTANY 
petiole, the compound leaf is termed PALMATELY- or DiciraTELy- 
CoMPOUND. The leaf stalk of a leaflet is called the petiolule. 
A compound leaf develops from a single leaf bud as does a 
simple leaf. Even though a group of small leaves may appear as 
Cordate (12); 
Acuminate 
paripinnate (28); bi-pinnate (29); decompound (30); 
= 
ss 
Fic. 161.—Leaf bases (12-17); leaf apices (18-26); compound leaves (27—31). 
auriculate (13); connate-perfoliate (14); sagittate (15); hastate (16); peltate (17). 
(18); acute (19); obtuse (20); truncate (21); retuse (22); emarginate (23); cuspidate (24); mucronate 
Imparipinnate (27); 
(25); aristate (26). 
palmately 5-foliate (31). 
a compound leaf, they can be distinguished as simple leaves by 
the presence of a bud in each of their axils. 
Forms or Lamina.—The lamina of simple leaves and the 
leaflets of compound leaves are described as to general outline, 
apex, base, marginal indentations, surface and texture. 
