INCISED: sharply and irregularly cut into. INDUSIUM: the membrane covering the fruit-dots of ferns. INFERIOR: (side of flower) the one away from the axis of the flower-cluster; (ovary) united with the calyx tube, the other floral parts apparently growing from its summit. INFLORESCENCE: the mode of arrangement of flowers on the stem; the flower-cluster. INTERNODE: the portion of the stem between the places where the leaves arise. INVOLUCRE: a whorl of small leaves at the base of a flower or flower-cluster. KEEL: the lower petals of the peculiar corolla of the pea, etc., which are united in the form of the keel of a boat. LACINIATE: with deep, triangular, narrow lobes. LANATE: woolly. LANCEOLATE: narrow and tapering at each end. LATERAL: pertaining to the side. LEAFLET: one of the divisions of the blade of a compound leaf. LINEAR: narrow and flat with the margins parallel. LYRATE: lyre-shaped. MONŒCIOUS: having the separate staminate and pistillate flowers on the same plant. MUCRONATE: with a short, abrupt point. NODE: the point of the stem from which one or more leaves arise. OBLANCEOLATE: lance-shaped with the base tapering downwards. OBTUSE: blunt. ORBICULAR: circular. OVATE: egg-shaped (applied to flat bodies). OVOID: egg-shaped (applied to solids). PALMATE: (compound leaf) with the divisions so arranged that they radiate from the petiole-like the fingers of the hand. PANICLE: a branched, flower-cluster with the older flowers outermost. PANICULATE: with much branched open flower clusters. PAPILLÆ: minute, blunt projections. PAPPUS: the bristles, awns, or hairs which crown the fruit of the Composites. PARIETAL: (placentæ) attached to the wall of the ovary. PEDUNCLE: a flower-stalk. PERENNIAL: lasting from year to year. PERFOLIATE: (leaves) having the basal part so extended and united as to make it appear as though the stem grew through them. PERIANTH: the calyx and corolla collectively. PETAL: a corolla-leaf. PETALOID: petal-like. PETIOLE: the leaf-stalk. PINNÆ: the primary divisions of a compound leaf. PINNATE: compound with leaflets arranged along a common axis. PINNATIFID: pinnately cleft. PINNULES: secondary pinnæ. PLACENTÆ: the parts of the ovary to which the seeds are attached. PLUMOSE: feathery. POLLEN: the fertilising powder of the anther. POLYGAMOUS: having both perfect and imperfect flowers. PROSTRATE: lying flat on the ground. PUBERULENT: covered with tiny almost imperceptible hairs. PULVINI: cushions or pads.