_Conchiform_, shell- or half-shell-shaped.

_Conduplicate_, folded upon itself lengthwise, 71.

_Cone_, the fruit of the Pine family, 124. _Coniferous_, cone-bearing.

_Confertus_, much crowded.

_Conferruminate_, stuck together, as the cotyledons in a horse-chestnut.

_Confluent_, blended together; or the same as _coherent_.

_Conformed_, similar to another thing it is associated with or compared
to; or closely fitted to it, as the skin to the kernel of a seed.

_Congested_, _Conglomerate_, crowded together.

_Conglomerate_, crowded into a glomerule.

_Conjugate_, coupled; in single pairs. _Conjugation_, 170.

_Connate_, united or grown together from the first formation, 96.

_Connate-perfoliate_, when a pair of leaves are connate round a stem,
60.

_Connective_, _Connectivum_, the part of the anther connecting its two
cells, 101.

_Connivent_, converging, or brought close together.

_Consolidation_ (floral), 94.

_Consolidated_ forms of vegetation, 47.

_Contents_ of cells, 136.

_Continuous_, the reverse of interrupted or articulated.

_Contorted_, twisted together. _Contorted aestivation_, same as
_convolute_, 97.

_Contortuplicate_, twisted back upon itself.

_Contracted_, either narrowed or shortened.

_Contrary_, turned in opposite direction to the ordinary.

_Convolute_, rolled up lengthwise, as the leaves of the Plum in
vernation, 72. In aestivation, same as _contorted_, 97.

_Cordate_, heart-shaped, 53.

_Coriaceous_, resembling leather in texture.

_Corky_, of the texture of cork. _Corky layer_ of bark, 141.

_Corm_, a solid bulb, like that of Crocus, 45.

_Corneous_, of the consistence or appearance of horn.

_Corniculate_, furnished with a small horn or spur.

_Cornute_, horned; bearing a horn-like projection or appendage.

_Corolla_, the leaves of the flower within the calyx, 14, 79.

_Corollaceous_, _Corolline_, like or belonging to a corolla.

_Corona_, a coronet or crown; an appendage at the top of the claw of
some petals, 91.

_Coronate_, crowned; furnished with a crown.

_Cortex_, bark. _Cortical_, belonging to the bark (_cortex_).

_Corticate_, coated with bark or bark-like covering.

_Corymb_, a flat or convex indeterminate flower-cluster, 74.

_Corymbiferous_, bearing corymbs.

_Corymbose_, in corymbs, approaching the form of a corymb, or branched
in that way.

_Costa_, a rib; the midrib of a leaf, &c. _Costate_, ribbed.

_Cotyledons_, the proper