568 GLOSSARY 



Neutral. Without stamens or pistils. 



Node. The part of a stem or branch at which a leaf or leaves are 



borne. 



Oblong. Longer than broad with sides nearly parallel. 

 Obovate. Inversely ovate. 

 Obovoid. Inversely ovoid. 

 Obtuse. Blunt or rounded at apex. 

 Ovary. The part of a pistil which contains the seeds. 

 Ovate. Having an egg-shaped outline with the broader end at the base. 

 Ovoid. Egg-shaped. 



Ovule. The body which after fertilization becomes the seed. 

 Palea. The upper of the two bracts which inclose the flower in grasses. 

 Palmate (leaf). With segments radiately diverging. 

 Panicle. A somewhat loose and irregular compound flower cluster. 

 Pappus. In Composites the bristles, awns, teeth, or scales which crown 



the achene. 

 Parasite. A plant which grows upon other plants and absorbs their 



juices. 



Pedicel. The support of one of the flowers composing a flower cluster. 

 Peduncle. The stalk of a flower cluster or of a single flower. 

 Perennial. Lasting year after year. 

 Perfect (flower). Having both stamens and pistils. 

 Perfoliate. A leaf so clasping the stem as to seem pierced by it. 

 Perianth. The floral envelope, sepals and petals, regarded collectively. 

 Persistent. Said of organs which remain attached to their plaoe of 



growth after growth has ceased. 



Petal. One of the divisions of the inner floral envelope or corolla. 

 Petiole. The footstalk of a leaf. 

 Pinnate (leaf). Compound, with leaflets arranged along the sides 



of a common petiole. 

 Pinnatifid. Pinnately cleft. 

 Pistil. The seed-bearing organ of a flower, consisting of ovary, stigma, 



and style, or the latter sometimes lacking. 

 Pistillate. Having pistils ; ordinarily used in the sense of having no 



stamens. 



Pod. Any dry and dehiscent fruit. 

 Pollen. The fertilizing grains borne in the anthers. 

 Prickle. A sharp outgrowth from the bark of a stem, or on the surface 



or stalk of a leaf. 

 Procumbent. Lying or trailing on the ground but without rooting 



at the nodes. 

 Prostrate. Lying flat on the ground. 



