be expected in the family under consideration. Vahl appears by the preface to his Enumeratio Plantarum to have removed the Scitamineæ to Gynandria, because the stamen of Canna adheres to the style. This, if constant, could only concern that genus, for the rest of the Order are in no sense gynandrous.
2. Diandria. To this Order Cypripedium, Engl. Bot. t. 1, must be referred, having a pair of very distinct double-celled anthers. See Tr. of Linn. Soc. v. 1, t. 2, 3. Here we find Forstera, so well illustrated by Professor Swartz in Sims and König's Annals of Botany, v. 1. 291, t. 6; of which genus Phyllachne, t. 5 of the same volume, is justly there reckoned a species. Of the same natural order with Forstera is Stylidium, but that having 4 anthers, belongs to the fourth Order of the present Class. Gunnera, placed by Linnæus in Gynandria Diandria, is not yet sufficiently well understood.
3. Triandria. Salacia, if Linnæus's descrip-
