The Mount Vernon beds, which occur about the middle of the series, have as yet yielded only a small number of species, though these include the most interesting early Angiosperms. Among them are recorded a Casuarina, a leaf of Sagittaria (which however, as observed by Zeiller, may belong to Smilax), two species of poplar-like leaves with remarkably cordate bases, Menispermites (possibly a water-lily) and Celastrophyllum (perhaps allied to Celastrus).
IiXtr t ta, a water-plant mentioned by Dioscorides), in botany, a natural order of monocotyledons belonging to the series Helobieae, and represented in Britain by the water plantain, Alisma Plantago, the arrow-head, Sagittaria, the star-fruit, Damasonium, and flowering rush, Butomus (from the Gr.
Among the nine hundred species of Solanum less than a dozen have this property of forming tubers, but similar growths are formed at the ends of the shoots of the common bramble, of Convolvulus sepium, of Helianthus tuberoses, the so-called Jerusalem artichoke, of Sagittaria, and other plants.
To the Windward Islands belong Tapamanu or Majaiti (Wallis's Sir Charles Saunders's Island and Spanish Pelada); Moorea or Eimeo (Wallis's Duke of York Island and Spanish San Domingo); Tahiti - Cook's Otaheite (probably Quiros's Sagittaria; Wallis's King George's Island, Bougainville's Nouvelle Cythere and Spanish Isla d'Amat); Tetuaroa - "The Distant Sea" (?