Should be treated as a hardy greenhouse plant; may be sheltered even under a frame, in the winter.
[74]
Antirrhinum triste. Melancholy or black-flower'd Toad-Flax.
Class and Order.
Didynamia Angiopspermia.
Generic Character.
Cal. 5-phyllus. Cor. basis deorsum prominens, nectarifera. Caps. 2. locularis.