GLOSSARY OF BOTANICAL TERMS 



Palmate. — Diverging radiately like the fingers. 



Panicle. — A compound flower-cluster of the racemose type. 



Paniculate. — Borne in or resembling a panicle. 



Papilionaceous. — Term applied to the irregular flowers of the Pea Family. 



Pappus. — Down, as that on the seeds of some plants. 



Parasitic. — Growing upon other plants and absorbing their juices. 



Pedicel. — The stem of a flower in a flower cluster. 



Peduncle. — Stem of a flower, or of a flower cluster. 



Perfect. — Flowers with both stamens and pistils. 



Perianth. — The floral envelopes, — sepals and petals, considered collec- 

 tively. 



Pericarp. — The walls of the ripened ovary, the part of the fruit that en- 

 closes the seeds. 



Perigynous. — Borne on the perianth, around the ovary. 



Persistent. — Organs remaining attached to those bearing them, after the 

 growing period. 



Petal. — One of the leaves of the corolla. 



Petaloid. — Similar to petals. 



Petiole. — The stem of the leaf. 



Pinna, //. PinN/E. — A primary division of a pinnately compound leaf. 



Pinnate. — Leaves divided into leaflets or segments on each side of a com- 

 mon axis. 



Pistil. — The seed-bearing organ of the flower, consisting of the ovary, 

 stigma, and style when present. 



Pistillate. — With pistils, usually in the sense of without stamens. 



Plicate. — Folded into plaits like a fan. 



Pod. — Any dry and dehiscent fruit. 



Pollen. — The fertilizing grains contained in the anther. 



Polygamous. — Applied to plants which produce staminate, pistillate and 

 perfect flowers all on the same plant. 



Pome. — The fleshy fruit of the Apple Family. 



Prickle. — A slender sharp outgrowth from the bark of a plant 



Procumbent. — Trailing or lying on the ground. 



Pubescent. — Downy, covered with soft hairs. 



Punctate. — With translucent dots or pits. 



Pyriform. — Pear-shaped. 



Raceme. — A simple inflorescence of pedicelled flowers upon a common, 

 more or less elongated axis. 



Racemose. — Resembling a raceme. 



Rachis. — The axis of a compound leaf or of a spike or raceme. 



Radiant. — With the marginal flowers enlarged. 



Receptacle. — The end of the flower stalk bearing the floral organs. 



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