APPENDIX. 1115 
PotypPeTaLous. Having several distinct petals. 
Pors. Any small aperture. 
Postzrior. Next or towards the main axis ; opposed to “ anterior.”’ 
Posticous. On the posterior side ; placed next the axis. 
PragMorsE. Ending abruptly, as if bitten off. 
Prickte. A small spine; an outgrowth of the bark. 
Process. Any projecting appendage. 
ProcuMBENT. Lying along the ground. 
ProuiFEROUS. Producing offshoots or buds capable of reproducing the plant. 
Prostrate. Lying flat on the ground. 
PROTANDROUS, PROTERANDROUS. Applied to flowers in which the anthers mature before 
the pistil of the same flower. 
ProrERocyNnous. Applied to flowers in which the pistil matures before the stamens 
of the same flower. 
ProtHALLiuM. In the higher cryptogams, a body produced by the germination of the 
spore, and bearing the sexual organs. 
PruinosE. Covered with a waxy powdery secretion or bloom. 
PusEeRuLous. Minutely downy or pubescent. 
PusescentT. Covered with short and soft downy hairs. 
PotvinaTE. Cushion-shaped ; growing in thick mats or cushions. 
Punorate. Marked with minute dots or depressions, or with internal translucent 
lands. 
PERN int Like a point or dot ; reduced to a mere point. 
Punerent. Terminating in a sharp and rigid point. 
PoraMEN. The hardened endocarp of a drupaceous or stone fruit. 
PyRaMiIpAL. Shaped like a pyramid. 
PyrenzE. A small nutlet; a small stone of a drupe or similar fruit. 
PyrirorM. Pear-shaped. 
QUADRANGULAR. Having four angles or corners. 
QUADRATE. Square in form. 
QuaDRIFARIOUS. Arranged in four vertical rows or ranks, as the leaves of many species 
of Veronica. 
RacEME. An inflorescence having several pedicellate flowers arranged upon a prolonged 
axis, the lower flowers opening first. 
RaAcEMOSE, Bearing racemes, or like a raceme. 
Rapiate, (1.) Diverging from or arranged around a common centre. (2.) Bearing 
ray-florets, as in many Compositae. 
RapDicau. Arising from the root or base of the stem. 
RAPHE, RuoapuHe. The adherent funicle of an ovule, connecting the hilum with the 
chalaza. 
Ray. (1.) One of the branches of an umbel. (2.) A term applied to the outer florets 
in the flower-heads of Compositae, in those cases where they are distinct from those 
of the dise or centre. 
RECEPTACLE. (1.) The more or less expanded or produced apex of the peduncle, upon 
which the floral envelopes, stamens, and pistil are inserted. (2.) The short conical 
or convex axis bearing the florets in the flower-heads of Compositae. 
ReEciinate. With an erect or ascending base, but with the upper portion turned or 
bent downwards. 
REouRVED. Curved backwards or downwards. 
REDUPLICATE. Doubled back; in aestivation applied when the margins are valvate 
and reflexed. 
REFLEXED. Bent abruptly down or backwards. 
RecuLar. Symmetrical or uniform in shape or structure. 
RENIFORM. Kidney-shaped. 
Repanp. With the margin slightly sinuate or wavy. 
Reptum. A frame-like placenta left by the falling of the valves in the dehiscence of 
the pods of some Cruciferae and Leguminosae, &c.; particularly obvious in 
Carmichaelia. 
RETIcuLATE. Provided with markings or venation reserabling network. 
