﻿Trees of New York State 423 



Peltate. Shield-shaped ; a flat body attached to a support by its lower surface. 



Pendulous. Loosely pendant; more or less hanging. 



Perfect (flower). Having both pistil and stamens. 



Perianth. The floral envelop; usually used when calyx and corolla are not 

 easily distinguishable. 



Pericarp. The wall of the fruit or seed-vessel. 



Perigjmous. Adnate to the perianth, and therefore around the ovary and not 

 at its base. 



Petal. One of the modified leaves forming the corolla. 



Petaloid. Colored and resembling a petal. 



Petiole. The stalk of a leaf. 



Petiolulate. Having a petiolule. 



Petiolule. The stalk of a leaflet. 



Phyllotaxy. The arrangement of leaves upon the stem. 



Pilose. Hairy with soft hairs. 



Pinna. A single leaflet in a compound leaf. 



Pinnate. Compound, with leaflets arranged along opposite sides of a com- 

 mon petiole. 



Pinnatifid. Pinnately cleft. 



Pinniveined. Pinnately veined; with prominent midrib and secondary veins. 



Pistil. The seed-bearing organ of a flower, consisting of ovarj% stigma, and 

 connecting style when present. 



Pistillate. Provided with pistils and usually in the sense of without stamens. 



Placenta. Any part of the interior of the ovary which bears ovules. 



Plumose. Having fine hairs on each side, like the plume of a feather. 



Pod. Any dry and dehiscent fruit. 



Pollen. The fecundating grains contained in the anther. 



Polygamo-monoecious. Bearing perfect and unisexual flowers of both sorts 

 on the same plant. 



Polygamous. Bearing perfect and unisexual flowers on the same plant. 



Polypetalous. Having separate petals. 



Pome. A fleshy fruit, like the apple, mth a papery or cartilaginous interior 

 enclosing the seed. 



Posterior. Behind ; on the side toward the axis. 



Prickle. A small spine formed as an outgrowth of the bark or rind. 



Proterandrous. Said of flowers in which the anthers shed their pollen before 

 the stigma is receptive. 



Proterogynous. Said of flowers in which the stigma is receptive to pollen 

 before the anthers shed their pollen. 



Proximal. That part nearest the point of attachment. 



Puberulent, Puberulous. Minutely pubescent. 



Pubescent. Covered with hairs, especially if short, soft, and down-like. 



Punctate. Dotted \\'ith small depressions, translucent internal glands, or col- 

 ored dots. 



Pyriform. Pear-shaped. 



Pyramidal. Shaped like a pyramid. 



Quadrangular. A four-angled figure; often signifying rectanguLar. 



Raceme. A simple indeterminate flower-cluster with pedicelled flowers on a 

 lengthened axis. 



