Glossary of Terms. 
when one part is rolled up within 
another, 
Cordate.—Heart shaped in outline. 
Coriaccous.—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 yaceme, having the pedi- 
cels gradually shorter towards the 
top or centre. 
Costate.—Ribbed. 
Crassus.—Thick and fleshy. 
Crenate.—Having rounded teeth, 
Crinitus, — Furnished with tufts of 
hairs. 
Cucullate.—- Hood-shaped. 
Cuneate.—W edge-shaped. 
Cuspidate.—Having a rigid hard point. 
Cyme.—An irregular umbellate  in- 
florescence, as in Laurustinus. 
Dealbatus.— Covered with a greyish- 
white powder. 
Deca, in coMpounds, signifies ¢ev. 
Deciduous.—Falling off, as the leaves 
of a large class of trees and shrubs 
in autumn, or the sepals and petals 
of most flowers after expansion. 
Deelinate—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. 
Deflexed.—Turned downwards. 
Dehiscence.—The bursting or splitting 
of the seed-vessel. 
Dentate.—Toothed, having triangular 
teeth. Dentate - erenate, 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. 
XXXIX 
Di, in compounds, signifies two. 
Diadetphous.—Stameus 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. 
Diccious.—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 endoearp, as the Cherry. 
Duleis.— 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’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.—8word-shaped, as the leaves 
of Iris. 
