BOTANICAL TERMINOLOGY. 



Gl 



Pistillate. Having pistils only. 



Pistil. The central organ of flowers 

 composed of style, stigma, and 

 ovary. 



Pith. The central spongy substance 

 in the centre of plants, composed 

 of cellular tissue. 



Placenta. The line or body to which 

 the ovules are attached. 



Plaited. Folded in regular layers. 



Plicate. Folded like a fan. 



Plumose. Resembling a feather ; 

 fringed with hairs. 



Plumule. The incipient ascending 

 axis. 



Poculiform. Cup-shaped. 



Pod. A pericarp of two valves ; it 

 may be a Legume or Silique. 



Podosperm. Funiculus ; footstalk of 

 an ovary. 



Pollen. The granules or dust con- 

 tained in anthers. 



Pollen Tube. A minute tube pro- 

 jected from a pollen grain. 



Pollinia. Masses of pollen. 



PolyadelpJwus. Having stamens 

 united in more than two sets. 



Polyandrous. Having many stamens 

 attached to receptacle. 



Polygamous. Having perfect, or 

 staminate and pistillate flowers, or 

 all these kinds. 



Polygynous. Having many styles. 



Polypetalous. Having many petals. 



Polysepahus. Having many sepals. 



Pome. A pulpy or juicy fruit, formed 

 of a juicy or fleshy calyx; enclo- 

 sing the carpels. 



Prcefoliation. Vernation ; the ar- 

 rangement of a leaf in a bud. 



Prarfloration. ^Estivation ; the ar- 

 rangement of the floral envelopes 

 in a bud. 



Prcemorse. As if bitten off. 



Prickle. A sharp appendage of the 

 bark not connected with the wood. 



Primine. Outer coat of ovule. 



Procumbent. Lying on the ground. 



Proliferous. Where leaves or flowers 

 arise from others. 



Prostrate. Lying on the ground. 



Protruded. Projecting out ; exserted. 



Pruinose. Covered with a frost-like 

 meal. 



Pubescent. Hairy ; having hairs of 

 any kind. 



Pulverulent. Powdery. 



Pulvinate. Cushion-like. 



Punctate. Dotted. 



Puncticulate. Having minute dots. 



Putamen. A nutshell. 



Pyriform. Pear-shaped. 



Pyzidium. A capsule with a trans- 

 verse dehiscence. 



Quadrangular. Four-cornered. 

 Quinate. Arranged in fives. 



Raceme. An inflorescence having 

 the flowers supported on pedicels 

 along a rachis. 



Rachis. The axis of inflorescence ; 

 or the general petiole in pinnate 

 leaves. 



Radiate. Diverging from a common 

 centre, furnished with rays. 



Radical. Proceeding directly from 

 the root. 



Radicle. Secondary roots ; rootlets. 



Rameal. Belonging to the branches. 



Ramose. Branched. 



Raphe. The ridge, or part con- 

 necting the hilum and chalaza. 



Raphides. Minute crystals in the 

 cellular tissue. 



Ray. The outer florets of a com- 

 pound flower. 



Receptacle. The base on which the 

 parts of fructification are seated. 



Reclined. Inclined downwards. 



Recurved. Bent downwards. 



Reflexed. Bent backwards. 



Remote. Distant. 



Reniform. Kidney-shaped. 



Repand. Spread ; having a curved 

 or sinuous margin. 



Replicate. Bent back on itself. 



Replum. A persistent placenta, or 

 margin in certain seeds. 



Resupinate. Inverted. 



Reticulate. Netted. 



Retrqflex. Bending in various direc- 

 tions. 



Retrorse. Turned backwards. 



Retuse. When an apex is slightly 

 indented or hollowed out. 



Reversed. Bent back towards the 

 base. 



