Glossary of Terms. 



XXXIX 



when one part is rolled up within 

 another. 



Cordate. Heart shaped in outline. 



Coriaceous. Leathery in texture. 



Corm. A fleshy solid underground 

 bulb-like stem. 



Corolla. The second floral whorl of a 

 complete flower between the calyx 

 and stamens, whose separate parts 

 are termed petals. 



Corymb. A raceme, having the pedi- 

 cels gradually shorter towards the 

 top or centre. 



Costate. Kibbed. 



Crassus. Thick and fleshy. 



Crenate. Having rounded teeth. 



Crinitus. Furnished with tufts of 

 hairs. 



Cueullate. Hood-shaped. 



Cuncate. Wedge-shaped. 



Cuspidate. Having a rigid hard point. 



Cyme. An irregular umbellate in- 

 florescence, as in Laurustinua. 



Dcalbatus. Covered with a greyish- 

 white powder. 



Deca, in compounds, signifies ten. 



Deciduous. Falling oif, as the leaves 

 of a large class of trees and shrubs 

 in autumn, or the sepals and petals 

 of most flowers after expansion. 



Decimate. Bent downwards. 



Decompound. Having many divisions. 



Decumbent. Applied to plants with 

 trailing barren and ascending flower 

 stems. 



Decurrent. Continued downwards, as 

 the blade of the leaves of some 

 plants,forming a wing-like appendage 

 to the stem. 



Decussate. Applied to leaves arranged 

 in alternating pairs,forming four lines. 



De flexed. Turned downwards. 



Dchiscence. The bursting or splitting 

 of the seed-vessel. 



Dentate. Toothed, having triangular 

 teeth. Dentate - crenate, having 

 rounded, pointed teeth. Dentate- 

 serrate, .having tapering sharp-pointed 

 teeth projecting or curved towards 

 the tip of a leaf like the teeth of a saw. 



Di, in compounds, signifies two. 



Diadelphous. Stamens in two bundles 

 or fascicles. 



Dichlamydeous. Having both calyx 

 and corolla. 



Diclinous. Unisexual, stamens and 

 pistils in different flowers. 



Dicotyledonous. Having two seed- 

 leaves. 



Didynamous. Having four stamens, 

 two shorter than the others. 



Digitate. Divided into distinct lobes 

 in a radiate manner, as the leaves of 

 Lupinus polyphyllus and Horse- 

 Chestnut. 



Dimidiate. The two halves of an organ 

 very unequal in size. 



Dioecious. Bearing the sexes on dif- 

 ferent individuals. 



Discolor. Applied to leaves differing 

 in the colour of the upper and lower 

 surfaces, or with an admixture of 

 any other colour and green. 



Disk. Applied to the organ or organs 

 between the stamens and ovary, 

 usually consisting of scales or a 

 fleshy ring, 



Dissected. Deeply divided into many 

 narrow lobes. 



Dissepiments. The partitions of an 

 ovary or fruit. 



Distichous. Arranged in two opposite 

 rows. 



Dorsal. Appertaining to the back. 



Drupe. A fleshy fruit having a hard 

 putamen or endocarp, as the Cherry. 



Dulcis. Sweet, agreeable. 



Duramen. The heartwood or centre of 

 Exogenous trees, and the outer part 

 of the stem of Endogens. 



e, ex, in compounds, denotes ab- 

 sence, as ebracteate, eg 7 andular, ex- 

 albuminous. 



Echinate. Clothed with bristles, like 

 the fruit of the Sweet Chestnut. 



Emarginate. Notched at the tip. 



Embryo. The germ of a plant in the 

 seed. 



Ensiform. Sword-shaped, as the leaves 

 of Iris. 



