476 GLOSSARY OF 



Personate. Masked. Having the mouth of the corolla closed by a 

 prominent palate, Fig. 113. 



Petal. The leaf of a corolla, usually colored, Fig. 115. 



Petaloid. Resembling petals. 



Pttiole. The stalk wnich supports a leaf, Fig. 22. 



Phasnogamous. Not Cryptogamous. Applied to all plants which have 

 visible stamens and pistils. Ex. Lily, Apple. 



Pilose. Hairy. With a stiff pubescence. 



Pinnce. The leaflets or divisions of a pinnate leaf. Ex. Cassia. 



Pinnate. A leaf is pinnate when the leaflets are arranged in two rowa 

 on the sides of a common Petiole ; as in the Rhus vernix, Fig. 66. 



Pinnatifid. Cut in a pinnate manner. It differs from pinnate in con- 

 sisting of a simple continuous leaf, not compound, Fig. 43. 



Pistil. A constituent part of a flower, including the germ, style, and 

 stigma. In a regular flower it forms the central part. 



Pistillate. Having pistils, but no stamens. 



Plaited. Folded like a ruffle or fan ; as the leaves of Veratrum viride, 

 Fig. 60. 



Plumose. Feathery. Feather-like, Fig. 147. 



Plumula. Part of the Corculum of a seed, which afterwards forms a 

 new plant with the exception of a root, Fig. 144. 



Pod. A dry seed vessel, not pulpy ; most commonly applied to legumes 

 and siliques. 



Pointal. See Pistil. 



Polydelphous. Belonging to the class Polydelphia, in which the stamena 

 are united into several parcels. Ex. Hypericum, (St. John's -wort.) 



Polyandrous. Having many disconnected stamens inserted into the re- 

 ceptacle. Ex. Water Lily. 



Polycotyledonous. Having seeds with more than two cotyledons 



Polygamous. Having some flowers which are perfect, and others which 

 have stamens only, or pistils only. 



Polygynous. Having many styles. 



Polymorphous. Changeable. Assuming a variety of forms. 



Polypetalous. Having many petals. Ex. The Rose. 



Polyphyllous. Having many leaves. 



Pome. A pulpy fruit having a capsule within it ; as the apple, Fig. 142. 



Premorse. Bitten off. The same as abrupt. 



Prickle. The prickle differs from the thorn in being fixed to the bark 

 only, and not to the wood, Fig. 91. 



Prismatic. Having several parallel, flat sides. 



Procumbent. Lying on the ground. 



P'Koliferous. An umbel or flower is said to be proliferous when it has 



smaller ones growing out of it. 

 Pseudopinnate. Falsely or imperfectly pii 

 Pubescent. Hairy or downy. Ex. Mulle 



linnate. 



Hairy or downy. Ex. Mullein. 

 Pulp. The soft, juicy, cellular substance found in berries and similar 



fruits. 



Pulpy. Filled with pulp. Ex. Orange. 

 Pulverulefit. Dusty. Composed of powder, or appearing as if covered 



with it. 

 Punctate. Appearing as if pricked full of small holes, or dots. Ex. 



Hypericum. 



Puncttform. Resembling dots. 

 Pungent. Sharp, acrid, pricking. 



Putamen. The inner part of a nar-d pericarp. Ex. Peach stone. 

 Pyriform. Shaped like a pear. 



