406 GLOSSARY. 



Pinnatifid. Cut in a pinnate manner. It differs from pinnate in consisting 



of a simple or continuous leaf, not compound. 

 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, hut no stamens. 

 Plaited. Folded like a ruffle or fan ; as the leaves of Veralrum viride. Med. 



Bot. PI. 33. 



Plumose. Feathery. Feather like. 

 Plumuln. Part of the corculum of a seed, which afterwards forms a new 



plant with the exception of the root. 

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



siliques. 



Pointal. See pistil. 

 Polyadelphous. Belonging to the class Polyadelphia, in which the stamens 



are united into several parcels. 



Polyandrous. Having many disconnected stamens inserted into the recep- 

 tacle. 



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. 

 Polyphyllous. Having many leaves. 



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

 Prcemorse. 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. 



Prismatic. Having several parallel, flat sides. 

 Procumbent. Lying on the ground. 

 Proliferous. An umbel or flower is said to be proliferous when it has smaller 



ones growing out of it. 



Pseudopinnatc. Falsely or imperfectly pinnate. 

 Pubescent. Hairy or downy. 



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

 Pulpy. Filled with pulp. 



Pulverulent. Dusty. Composed of powder, or appearing as if covered with it. 

 Putic'n.te. Appearing as if pricked full of small holes, or dots. 

 Punctifonn* Resembling dots. 

 Pungent- Sharp, acrid, pricking. 

 Putamen. A hard shell. 



Q 



Quaternate. Four together. 

 Quinate. Five together. 



R 



Raceme. A cluster ; a kind of inflorescence in which the flowers are arranged 

 by simple pedicels on the sides of a common peduncle. 



Racftis. The common stalk to which the florets and spikelets of grasses are 

 attached. Also the midrib of some leaves and fronds. 



Radiate. Having ligulate florets placed like rays at the circumference, as in 

 certain compound flowers; or having the outer petals largest, as in cer- 

 tain cymes and umbels. 



Radical. Growing' immediately from the root. 



Radicle. The part of the corculum which afterwards forms the root. Also 

 the minute branch of a root. 



Ray. The diverging florets or petals which form the outside of radiate flow- 

 ers, cymes and umbels. 



Receptacle. The end of a flower stalk, being the base to which most or all 

 the parts of fructification are attached. 



