GLOSSARY 



37! 



Ovary The part of a pistil con- 

 taining ovules or seeds 

 Ovate, ovoid Egg-shaped 

 Ovule The young unfertilized 



seed, as found in the flower 

 Palate The upper more or less 

 swollen throat of an irregular co- 

 rolla 

 Palet The upper and inner scale 



of a grass flower 

 Palmate Like the fingers of the 



hands 

 Panicle A compound flower clus- 

 ter, the lower branches longer and 

 blooming first 

 Panicled In panicles 

 Papilla, papule A minute pro- 

 jection on the surface 

 Pappus The bristles, hairs, awns, 

 etc. found on the tips of fruits of 

 dandelions, sunflowers, asters, etc. 

 Parasite A plant growing upon 

 and getting its nourishment from 

 «ome other plant 

 Parietal On the wall 

 Pedicel The stalk of a single flow- 

 er 

 Peduncle The stalk of a flower 



cluster or a solitary flower 

 Perennial Lasting from year to 



year 

 Perfect A flower bavins: both sta- 

 mens and pistils 

 Perfoliate Applied to leaves which 



are united around the stem 

 Perianth The term applied to the 

 calyx and corolla when they are 

 similar 

 Perigynium, (pi. perigynia) The 

 sack enclosing the ovary or fruit 

 in the sedges 



Persistent Remaining after bloom- 

 ing or fruiting 



Petal The term applied to each 



part of a corolla 

 Petiole The stalk of a leaf 

 Pinnate With leaflets on both 



sides of a common stalk 

 Pinnatifid Pinnately cleft to the 

 . middle or beyond 

 Pistil The central part of the 

 flower containing the young seed* 

 and consisting of ovary, style and 

 stigma, as a rule 

 Pistillate With pistils but with- 

 out stamens 

 Plaited With two or more folds 

 Placenta (pi. placentae) Place of 



attachment for ovules 

 Plumose Plume-like or feathery 

 Pod A dry . fruit of one carpel. 



splitting along two lines 

 Pollen The dust-like matter found 



in the anther 

 Pollinia Pollen-masses in orchids 



and milkweeds 

 Polygamo-monoecious The per- 

 fect and imperfect flowers on the 

 same plant 

 Polygamous With both perfect 

 and imperfect, staminate or pis- 

 tillate flowers 

 Pome A fleshy fruit with a core, 



as the apple 

 Pore A small opening 

 Posterior At the back 

 Prickle A sharp needle-like out- 

 growth of the bark- 

 Prickly With prickles 

 Prostrate Lying on the ground 

 Pungent Sharp 



