XX BRITISH FLOWERING PLANTS 



Carpophore (p. 17), fruit-bearer, applied to the axis of the fruit in 



Unibellifera which splits lengthwise and bears the two mericarps. 

 Chlorophyll (p. 32) the pigment to which leaves owe their green 



colour. 

 Cleistogamous (p. 8), of plants which, besides the usual conspicuous 



flowers, have others which are smaller, generally uncoloured, and do 



not open. 

 Corolla (p. 3), the second whorl of the flower. In most cases this is the 



coloured part. 

 Corymb, an inflorescence in which, owing to the inequality of their 



stalks, the flowers stand on one level. 

 Cyme, a definite inflorescence, one in which the main axis ends at once 



in a flower. 



Deciduous, lasting for a time, but ultimately falling, as opposed to 



persistent. 

 Decussate, crossing at right angles, like the pairs of leaves in Dead- 

 nettle. 

 Dehiscent, opening when mature, as an anther or many fruits. 

 Dichogamous (p. 4), of flowers in which the anthers and stigmas do not 



mature simultaneously. 

 Diclinous, having all the flowers on any one plant either male or 



female ; that is to say, either with stamens but no pistil, or pistil but 



no stamens. 

 Dicotyledon, having an embryo with a pair of seed-leaves or cotyledons. 

 Dimorphous, of species in which there are two forms of flowers, differing 



in the relative position of the anthers and stigma. 

 Dioecious (p. 4), having the stamens and pistil situated not only in 



distinct flowers, but also on separate plants. 

 Disk, an outgrowth of the floral axis, often secreting honey. 

 Drupe, a fruit the inner wall-layers of which are hard, forming a 



"stone," as in plum. 



Endosperm, the food-store present in many seeds along with the embryo. 

 Entomophilous (p. 5), of plants in which the pollen is carried to the 



stigma by insects. 

 Epidermis, the outermost layer of cells of a leaf or young stem. 

 Epigynous, situated upon the ovary. 

 Equitant (p. 378), when leaves are folded one over the other in the 



bud. 

 Exalbuminous, withoutalbumen (endosperm), when the embryo occupies 



the whole seed. 



