GLOSSARY 479 



Pollen. The fecundating grains contained in the anther. 



Pollination. The act or fact of conveying pollen from anther to stigma. 



Polliniferous. Bearing pollen. 



Polygamous. Hermaphrodite and unisexual flowers variously mixed upon 

 the plant. 



Polypetalous. Having separate petals. 



Pome. A fleshy fruit of which the apple is a type. 



Posterior. In an axillary flower, on the side nearest to the axis of in- 

 florescence. 



Prickle. A small spine from the bark or rind. 



Procumbent. Lying on the ground or trailing but without rooting at the 

 nodes. 



Prostrate. Lying flat upon the ground. 



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



Punctate. Dotted with depressions or with translucent internal glands or 

 colored dots. 



Pyriform. Pear-shaped. 



Quality. The combination of characters in a fruit which makes it pleasant 

 to the palate. 



Baceme. A simple inflorescence of pediceled flowers upon a more or less 



elongated axis, opening from the base, 

 Eacemose. In racemes; or resembling a raceme. 

 Eadiate. Spreading from or arranged around a common center. 

 Badical. Belonging to or proceeding from the root or base of the stem 



near the ground. 

 Ramification. Branching. 



Eaphe. The ridge which runs from the hilum to the chalaza in a seed, 

 Beceptacle. The more or less expanded portion of an axis which bears the 



organs of a flower or the collected flowers of a head. 

 Recurved. Curved downward or backward. 

 Re flexed. Abruptly bent or turned dowuAvard. 

 Regular. Parts all uniform in shape or structure. 

 Reniform. Kidney-shaped. 



Reticulate. In the form of network ; net-veined. 

 Retrorse. Directed back or downward. 

 Retuse. With a shallow notch at a rounded apex. 

 Revolute. Rolled backward from the margins or apex. 

 Rib. A primary or prominent vein of a leaf ; a ridge on a pome-fruit. 

 Root. The underground part of a plant which supplies it with nourishment. 

 Rosette. A much-shortened stem bearing a dense cluster of leaves. 

 Rostrate. Having a beak. 



Rotate. Wheel-shaped; flat and circular in outline. 

 Rugose. Wrinkled. 

 Runner. A filiform or very slender stolon. 



Salver-shaped. Having a slender tube abruptly expanded into a flat limb. 

 Scabrous. Rough to the touch. 



Scape. A peduncle which arises from the ground, is simple, or nearly so, 

 not jointed, and destitute of foliage. 



