GLOSSARY OF TERMS USED 229 
Circinate.—Enrolled, like the head of a crozier. 
Clavate.—Club-shaped. 
Claw.—The stalk of the petal, usually narrowed. 
Cleistogamic.—Inconspicuous flowers, as in Violet, which do not 
open and are self-pollinated. 
Column.—The united ring of filaments and style, in orchids. 
Compressed.—Flattened lengthwise. 
Concave.—Forming a hollow. 
Connate.— United, as of leaves round a stem. 
Connivent.—Converging or meeting in one’point; arching over 
so as to meet. 
Convex.—Forming a saddle. 
Convolute.—Rolled up lengthwise, one edge overlapping the other. 
Cordate.—Heart-shaped, as of leaves. 
Coriaceous.—Leathery, tough. 
Corm.—The bulbous base of a stem, as in Arum. 
Corolla.—The whorl next the calyx in a flower, usually consisting 
of coloured petals. 
Corymb,—When in an inflorescence the different branches bring 
all the flowers to the same level ultimately. 
Cotyledon.—A seed-lobe or seed-leaf, usually temporary. 
Crenate.—With rounded teeth on the margin of a leaf. 
Cross-pollination.—When pollen from one plant is transferred to 
the stigma of a different plant. 
Cruciform.—Arranged crosswise. 
Cryptogam.—Of a plant that possesses no evident flowers, as ina 
phanerogam, the lower plants. 
Cuneate.— Wedge-shaped. 
Cupule.—A bract, cup-like, enclosing the nut in Amentiferz. 
Cuspidate.—Tapering gradually to a sharp point. 
Cylinder.—Forming a ring from base to apex, as of anthers. 
Cyme.—When an inflorescence bears a central terminal flower 
and lateral ones branch off, overtopping the former, definite; and 
centrifugal. 
Cymose.—Disposed in a cyme. 
Deciduous.—Falling ultimately. 
Decumbent.—Lying on the surface, rising at the tip. 
Decurrent.—Prolonged below the point of insertion with the base 
extending along the stem, as of leaves. 
