GLOSSARY 153 



starting from a common point at the tip of the leaf- 

 stalk, as in Fig. 253. 



Papery (bark). Splitting into thin papery films, as in 

 Fig. 132. 



Petal. One of the parts of a flower, situated between the 

 stamens and the calyx. The petals are usually the 

 most conspicuous parts of the ordinary flower, gen- 

 erally being brightly colored, or white. 



Pinnate, Pinnately compound. With several leaflets start- 

 ing from different points along two sides of a common 

 leaf-axis, as in Fig. 54(7. 



Pinnately veined. With numerous side veins branching 

 somewhat regularly from both sides of a midrrb, as in 

 Fig. 178. 



Pistil. The central organ, or one of the central organs, of a 

 flower, in which the ovules (immature seeds) are pro- 

 duced. 



Pith. The much softer central portion of a branch or 

 branchlet. 



Pod. A dry fruit which splits open naturally at maturity. 



Pointed. With a definite point (blunt or acute), as in 

 Figs. 21, 133. 



Prickly. With small sharp-pointed hairs or spines. 



Recurved. Curving backward or downward. 



Rhombic. Of the general shape of a rhomb, as in Fig. 123. 



Rounded (apex or base). Regularly curving, without notch 



or point, as the tips of the lobes and the apex of the leaf 



in Fig. 173. 



Scale. A degenerate leaf. In a cone one of the somewhat 

 flattened, usually woody, structures attached to the 



