Oyate-lanceolate. Intermediate in shape between ovate and lanceolate; 

 broadly lanceolate or narrowly ovate. 



Ovate-oblong. Intermediate in shape between ovate and oblong. 



Ovoid. Egg-shape. 



Palmate. With several organs or structures attached at or proceed- 

 ing from the same point; applied chiefly to the arrangement of 

 principal veins in a leaf and of leaflets in a compound leaf. 



Panicle. A loose, more or less irregular, branching cluster of pedi- 

 celled flowers, usually much longer than thick. 



Parallel-veined. With the principal veins of the leaf paralleling each 

 other from the base to the apex, or (rarely) from the midrib 

 to the margin. 



Pedicel. The stalk of a single flower. 



Parasite. A plant which grows attached to another and derives its 

 nourishment from it. 



Peduncle. The stalk of a flower-cluster, or of a solitary flower. 



Peltate. Attached to the stalk by the lower surface, instead of the 

 margin. 



Perennial. Living through several seasons. 



Perfect. Bearing stamens and pistils in the same flower. 



Perfoliate. Clasping the stem so completely that the stem seems to 

 pass through it. 



Perianth, The calyx and corolla of a flower. 



Perigynium. A sac-like structure surrounding the achene .of a sedge. 



Persistent. Remaining attached for a considerable time. 



Petal. One member or segment of the corolla. 



Petiole. The stalk of a leaf. 



Pinnate. With several organs or structures attached at the sides of 

 an axis or stalk; applied chiefly to the arrangement of the prin- 

 cipal veins in a leaf and of leaflets in a compound leaf 



Pinnatifid. Deeply pinnately cut or divided. 



Pistil. The central portion of a flower, consisting of ovary, style, 

 and stigma; the seed-bearing part of the flower. 



Pistillate, Bearing pistils. 



Polygamous. Applied to plants in which some flowers are perfect and 

 others either staminate or pistillate. 



Pubescent. Hairy. 



Raceme. A more or less elongated flower-cluster, bearing pedicelled 

 flowers along a single axis. 



Racemose. Arranged in racemes. 



Receptacle. The end of a peduncle or pedicel upon which the organs 

 of a flower, or the flowers of a head, are attached. 



Recurved. Curved back. 



Reflexed. Abruptly bent back or down: 



Regular. Uniform in shape or structure. Flowers are generally con- 

 sidered regular when all the petals? are of the same size and shape. 



Retrorse. Directed backward or downward. 



