lower leaves of Ranunculus aquatilis, t. 101, while its upper are folia natantia.
Emersa, raised above the water, as the upper leaves, accompanying the flowers, of Myriophyllum verticillatum, t. 218, while its lower ones are demersa.
2. By Insertion is meant the mode in which one part of a plant is connected with another.
Folia petiolata, leaves on footstalks, are such as are furnished with that organ, whether long or short, simple or compound, as Verbascum nigrum, Engl. Bot. t. 59, Thalictrum minus, t. 11, alpinum, t. 262, &c.
Peltata, peltate, when the footstalk is inserted into the middle of the leaf, like the arm of a man holding a shield, as in the Common Nasturtium, Tropæolum majus, Curt. Mag. t. 23, Drosera peltata, Exot. Bot. 41, Cotyledon Umbilicus, Engl. Bot. t. 325, Hydrocolyle vulgaris, t. 751, and the noble Cyamus Nelumbo, Exot. Bot. t. 31, 32.
Sessilia, sessile, are such as spring imme-
