**** D ****

Decurrent: lying on the ground; tending to rise at
    the end / having base prolonged down the axis, as in
    leaf, where blade is continued downwards as a wing’
    on a petiole/stem
Deciduous: loosing leaves in the autumn.
Deflexed: bent sharply downwards.
Deltate: Like Greek letter :
Denntate: See Fig. D6.
Denticulate: finely toothed. As above.
Didymous: formed of 2 similar points attached to each
    other by a small port ion of their surface.
Dioecious: both sexes on different plants. Disc of ovary :
    fleshy nectar secreting fiat structure, surmounting ovary.
Distal: furthest from point of;. attachment.
Divaricate: diverting at’ a wide: angle.
Diverging: apices wider apart than their bases.
Downy: covered in fine long hairs
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'Online Guide To Umbelliferae Of British Isles' By J.M.Burton Copyright 2002