5. Pentandria. Xanthium, Ambrosia, Nephelium, Parthenium, Iva and Clibadium all partake, more or less accurately, of the nature of compound flowers, but their anthers not being united, they could not be referred to the Class Syngenesia; particularly Xanthium and Nephelium, whose fertile flowers have no resemblance to that Class. Amaranthus, an extensive dung-hill genus in warm countries, analogous to our Chenopodium, follows next Leea is the same with Aquilicia, and belongs to Pentandria Monogynia, the former name being retained for the sake of the highly meritorious botanist and cultivator whom it commemorates. The Gourd tribe, Cucurbita, Cucumis, Bryonia, Engl. Bot. t. 439, might be brought hither from the abolished Order Syngenesia, unless it should be thought better to consider them as polyadelphous, to which I am most inclined.
6. Hexandria. Zizania, Tr. of Linn. Soc. v. 1. t. 13; and Pharus, Browne's Jamaica, t. 38, both grasses, compose this