_Carpel._ That part of a fruit which is formed of a simple pistil, or
one member of a compound pistil; often shown by a single seed-bearing
line or part. A fruit has as many carpels as it has seed-bearing lines
on its outer walls, or as it had stigmas when it was a pistil, or as it
had leaves at its origin.

_Catkin._ A scaly, usually slender and pendent cluster of flowers, 26,
28.

_Ciliate._ Fringed with hairs along its edge.

_Cleft._ Cut to about the middle, 22.

_Cluster._ Any grouping of flowers or fruit on a plant, so that more
than one is found in the axil of a leaf, or at the end of a stem, 26.

_Complete._ Having all the parts belonging to an organ; a _complete
leaf_ has blade, leafstalk, and stipules, 19; a _complete flower_ has
calyx, corolla, stamen, and pistil, 24.

_Compound._ Composed of more than one similar part united into a whole;
a _compound leaf_ has more than one blade, 19.

_Conduplicate._ Folded on itself lengthwise, 33.

_Cone._ A hard, scaly fruit, as that of a pine-tree, 28.

_Conical._ With a circular base and sloping sides gradually tapering to
a point; more slender than pyramidal.

_Convolute._ In a leaf, the complete rolling from edge to edge, 34.

_Cordate._ Heart-shaped, the stem and point at opposite ends, 21.

_Coriaceous._ Leathery in texture or substance.

_Corolla._ The inner, usually the bright-colored, row of floral leaves,
often grown together, 24.

_Corymb._ A flat-topped or rounded flower-cluster; in a strict use it is
applied only to such clusters when the central flower does not bloom
first. See _cyme_, 26.

_Crenate._ Edge notched with rounded teeth, 22.

_Crenulate._ Finely crenated, 22.

_Crisped._ Having an undulated or curled edge.

_Cross-section of wood_, 35.

_Cuneate._ Wedge-shaped, 21.

_Cylindric._ With an elongated, rounded body of uniform diameter.

_Cyme._ A flat-topped flower-cluster, the central flower blooming first,
26.

_Deciduous._ Falling off; said of leaves when they fall in autumn, and
of floral leaves when they fall before the fruit forms, 23.

_Decurrent leaf._ A leaf which extends down the stem below the point of
fastening.

_Definite annual growth_, 29.

_Dehiscence._ The regular splitting open of fruits, anthers, etc.

_Dehiscent._ Opening in a regular way, 27, 28.

_Deliquescent_, 16, 29.

_Deltoid._ Triangular, 21.

_Dentate._ Edge notched, with the teeth angular and pointing outward,
22.

_Denticulat