_Clathrate_, latticed; same as _cancellate_. _Clavate_, club-shaped; slender below and thickened upwards. _Clavellate_, diminutive of clavate. _Claviculate_, having _Claviculæ_, or little tendrils or hooks. _Claw_, the narrow or stalk-like base of some petals, as of Pinks, 91. _Cleistogamous_ (_Cleistogamy_), fertilized in closed bud, 115. _Cleft_, cut into lobes, 55. _Close_ fertilization, 115. _Climbing_, rising by clinging to other objects, 39, 151. _Club shaped_, see _clavate_. _Clustered_, leaves, flowers, &c., aggregated or collected into a bunch. _Clypeate_, buckler-shaped. _Coadunate_, same as _connate_, i. e. united. _Coalescent_, growing together. _Coalescence_, 88. _Coarctate_, contracted or brought close together. _Coated_, having an integument, or covered in layers. Coated bulb, 46. _Cobwebby_, same as _arachnoid_; bearing hairs like cobwebs or gossamer. _Coccineous_, scarlet-red. _Coccus_ (plural _cocci_), anciently a berry; now mostly used to denote the separable carpels or nutlets of a dry fruit. _Cochleariform_, spoon-shaped. _Cochleate_, coiled or shaped like a snail-shell. _Cœlospermous_, applied to those fruits of Umbelliferæ which have the seed hollowed on the inner face, by incurving of top and bottom; as in Coriander. _Coherent_, usually the same as _connate_. _Cohort_, name sometimes used for groups between order and class, 178. _Coleorhiza_, a root-sheath. _Collateral_, side by side. _Collective fruits_, 118. _Collum_ or _Collar_, the neck or junction of stem and root. _Colored_, parts of a plant which are other-colored than green. _Columella_, the axis to which the carpels of a compound pistil are often attached, as in Geranium (112), or which is left when a pod opens, as in Azalea. _Column_, the united stamens, as in Mallow, or the stamens and pistils united into one body, as in the Orchis family. _Columnar_, shaped like a column or pillar. _Coma_, a tuft of any sort (literally, a head of hair), 125. _Comose_, tufted; bearing a tuft of hairs, as the seeds of Milkweed, 126. _Commissure_, the line of junction of two carpels, as in the fruit of Umbelliferæ. _Complanate_, flattened. _Compound leaf_, 54, 57. _Compound pistil_, 107. _Compound umbel_, 75, &c. _Complete_ (flower), 81. _Complicate_, folded upon itself. _Compressed_, flattened on opposite sides. _Conceptacle_, 168. _Concinnous_, neat. _Concolor_, all of one color. _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.