Dictamnus fraxinella.
Diodia.
Dioecious and sub-dioecious plants.
Discospermum.
Doubleday, H., on Primula elatior.
Dracocephalum Moldavicum.
Drosera Anglica. — rotundifolia.
Duval-Jouve, M., on Cryptostachys. Leersia oryzoides.
Dyer, Thiselton, on Salvia Horminum. Cratoxylon formosum.
Echium vulgare.