Channelled. Deeply grooved longitudinally, like a gutter.
Chartaceous. Having the texture of writing-paper.
Chlorophyll. The green grains within the cells of plants.
Chlorophyllose. Containing chlorophyll.
Ciliate. Marginally fringed with hairs.
Ciliolate. Minutely ciliate.
Cinereous. Ash-color.
Circinate. Coiled from the top downward, as the young frond of a fern.
Circumscissile. Dehiscing by a regular transverse circular line of division.
Clavate. Club-shaped; gradually thickened upward.