Other characteristic features of the flora are the abundance of Compositae, Asclepiadeae, and petaloid Monocotyledons generally, but especially Orchideae (terrestrial species predominating) and Iridaceae.
He was active in debates and committee work, and for some time held the chairmanship of the important standing committee for the superintendence of the treasury, in which capacity he exercised a predominating influence on congressional expenditures.
The predominating influence of Bacon's philosophy is thus clearly established in the generation which succeeded his own.
The fir (Pinus sylvestris) and pine (Pinus abies) are the predominating trees Spruce is common, and even predominates in the higher parts (between the great valleys and immediately below the birch-belt) in the north of Norrland.
Its systematic position, however, can scarcely be considered settled, for though on the whole its predominating alliance may be with the Caprimulgidae, nearly as much affinity may be traced to the Strigidae, while it possesses some characters in which it differs from both (Proc. Zool.