x APPENDIX, 
Placenta. That part of the ovary or fruit which bears the 
ovules and seeds. 
Plicate. Folded into plaits like a fan. 
Plumose. Plume-like; havin, fine hairs on each side, like 
a feather. 
Polyadelphia. Having stamens united by the filaments 
into many sets. 
Polyandria. Having many stamens. 
Polygamia. Having both hermaphrodite and unisexual 
flowers. 
Polygynia. Having many pistils. 
Pollinia. Concrete masses of pollen. 
Pomum, Pome. A fleshy fruit like the apple, inclosing 
several leathery or bony carpels. 
Procumbent. Lying upon the ground. 
Pruinose. Covered with a minute bloom or powder. 
Pseudocarp. Fruit including other organs in addition to 
the ovary. 
Puberulent. Very minutely pubescent. 
Pubescent. Covered with hairs usually short and soft. 
Pungent. Terminating in a rigid and stout point or 
prickle. 
Pyrena. ‘The stone of a drupe. 
Pyriform. Pear-shaped. 
-quetrous. Cornered. 
Quinate. In fives. 
Raceme. A form of inflorescence, with pedicellate flowers 
developing from below upward upon a simple prolonged 
axis. 
Rachis. The axis of a spike, etc. 
Radicle. The part of the embryo below the cotyledon. 
Ray. The marginal flowers in composite. 
Receptacle. The more or less expanded surface forming a 
support for the organs of a flower or a head of flowers. 
Reflexed. Bent abruptiy down or backward. 
Heniform Kiduney-shaped. 
