GLOSSARY OF BOTANICAL TERMS 



CADUCOUS. Applied to the calyx of a flower when it falls off before the 

 flower expands; also to the stipules of a leaf if they fall as the leaf 

 appears. 



CALYX. The outer whorl of floral envelopes. 



CAMPANULATE. Bell-shaped. 



CAPSULE. A dry, usually dehiscent fruit, made up of two or more carpels. 



CARPEL. A simple pistil, or one member of a compound pistil. 



CATKIN. An ament. 



CELLULOSE. A primary cell-wall substance. 



CHLOROPHYLL. The green grains in the cells of plants. 



CLAW. The stalk or contracted base of a petal. 



COHESION. The union of members of the same floral whorl. 



CONDUPLICATE. Doubled together. The vernation of a leaf is condupli- 

 cate when the two sides are folded together lengthwise, face to face. 



CONNATE. Grown together. 



CONNECTIVE. That portion of the anther which connects the two lobes. 



CONTORTED. Twisted together. 



CONVOLUTE. Rolled up ; applied to leaves that are rolled from one 

 edge. 



CORDATE. Heart-shaped; applied to a leaf which has a deeply indented 

 base. 



CORIACEOUS. Thickish and leathery in texture. 



COROLLA. The inner whorl of floral envelopes. 



CORYMB. A flower cluster in which the axis is shortened and the pedicels of 

 the lower flowers lengthened, so as to form a flat-topped cluster. 



CORYMBOSE. Like a corymb. 



COTYLEDON. One of the parts of the embryo performing in part the func- 

 tions of a leaf, but usually serving as a storehouse of food for the de- 

 veloping plant. 



CRENATE. Scalloped. 



CRENULATE. Finely crenate. 



CROSS-FERTILIZATION. When the stigma of one flower receives the pollen 

 of a different flower. 



CRUCIFORM. Applied to corollas of four distinct petals arranged in form 

 of a cross. 



CUSPIDATE. Tipped with a sharp and rigid point. 



CYME. A broad and flattish inflorescence with the central or terminal flowers 

 blooming earliest. 



DECIDUOUS. Not persistent; applied to leaves that fall in autumn and to 

 calyx and corolla when they fall off before the fruit develops. 



DECURRENT. Applied to leaves which are prolonged down the side of the 

 petiole. 



DEFINITE. Limited or denned. 



DEHISCENCE. The act of splitting open. 



DELTOID. Triangular, somewhat like the Greek letter delta. 



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