GLOSSARY. 



Plicate : plaited. 



Pin male ; the ascending leafy part of the embryo. 



Pod : a 1-celled and 2-valved seed-vessel with the seeds 



arranged along the inner angle. 

 Pollen ; the dust in the anther. 

 Polygonal; with many angles. 

 Polypetalous ; with many separate petals. 

 Poh/sepalous ; with many separate sepals. 

 Pome ; a compound fleshy many-seeded fruit, an apple or fruit 



resembling it. 



Pores ; small, often roundish, holes. 

 Porrect ; extending forwards. 



Posterior ; the part of the flower nearest to the axis. 

 Prickles ; hardened epidermal appendages resembling thorns, but 



not woody. 



Primordial ; the first flower of inflorescence. 

 Procumbent, prostrate ; lying on the ground. 

 Prolonged; drawn out into a long point, like acuminate, but 



with no hollowing at the sides. 

 Pubescence ; closely adpressed down. 

 Pubescent ; with pubescence. 

 Pulverulent ; covered with fine powdery matter. 

 Punctate ; having minute spots like pin-holes, real or apparent. 

 Pyramidal ; nearly in the shape of a pyramid. 

 Pyriform ; pear-shaped. 



Quadrate ; squarish. 



Raceme ; a spike with stalked flowers : hence 



Racemose ; flowering in a raceme. 



Racliis ; the central stem of some kinds of inflorescence ; as the 

 stalk common to several spikelets of Grasses ; the stalk of 

 the frond of Ferns above the lowest pinnae. 



Radiate flowers ; those at the margin of a head or other inflo- 

 rescence which are long and spreading like rays. 



Radical; springing from just above the root. 



Radicle ; the end of the embryo from which the root grows ; 

 also small roots. 



Raphides; minute needle-shaped crystals found in the cells of 

 some plants. 



Rays (see Radiant) ; parts diverging in a circle from a central 

 point. 



Receptacle; the dilated top of the stalk bearing the flowers 

 in Composites ; the common support of the parts of a 

 flower. 



Reclinate and reclining ; curved downwards. 



Recurved 5 bent moderately backwards. 



