Decagynous, with 10 pistils or styles, Decamerous, of 10 parts, Decandrous, with 10 stamens, &c.
Deciduous, falling off, or subject to fall; said of leaves which fall in autumn, and of a calyx and corolla which fall before the fruit forms.
Declinate, declined, turned to one side, or downwards.
Decompound, several times compounded or divided, [59].
Decumbent, reclined on the ground, the summit tending to rise, [39].
Decurrent (leaves), prolonged on the stem beneath the insertion, as in Thistles.
Decussate, arranged in pairs which successively cross each other, [71].
Deduplication, same as chorisis.
Definite, when of a uniform number, and not above twelve or so.
Definite Inflorescence, [72].