Vegetative key to the families

ROOTLESS EPIPHYTIC PARASITES.

Stems thread-like, leafless or almost so, forming tangled masses over the host and attached to the host by haustoria

Stems green or with brown scale-leaves. Usually parasitic on shrubs or trees (Cassytha) Lauraceae

Leaves reduced to scales. Rootless twinning hemiparasitic herb Cassytha

Leaves conspicuous. Trees or shrubs