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Tetraphyllus calyx. A Calyx consisting of four leaves. 



Tetrasperma planta. Producing four seeds. 



Thalamus. A bed. The receptaculum. 



Theca. A sheath. 



Thyrsus. A spike like a pine cone. 



Tormentosus caulis. A stalk covered with a whitish down, 



like wool. 

 Tomentum. A species of pubescence, covering the surface of 



some plants of woolly or downy texture. 

 Torosum pericarpium. Protuberant, swelling out in knobs ; 



like treins and muscles. 

 Torta corolla. When the petals of a flower are twisted, as in 



the Ilermannia, Class xvi. Order 2. 

 Tortilis arista. Awns or beards of corn twisted like a screw. 

 Transversum dissepimentum. When the partition is at right 



angles with the sides of the pericarpium, as the Genus 



Thlaspi, &c. 

 Trapeziforme folium. A leaf having four prominent angles, 



whose sides are neither equal nor opposite. 

 Triandria. The third Class in the Linnaean system. 

 Triangulare/oZfu77i. A triangular leaf. 

 Tricocca capsula. A capsula with three cells, and a single seed 



in each cell. Ex. the seed vessel of the tea-tree, Class xiii. 

 Tricoccae. A natural Order of plants in the Fragmenta methodi 



natural is of Linnaeus. 

 Tricuspidata. Three-pointed. 

 Trihdam folium . A leaf divided into three linear segments, 



having straight margins. 

 Triflorus pediinculus. A foot-stalk bearing three flowers. 

 Trigonus caulis. A three-sided stalk. 



Trigynia. The third Order in some of the Classes of the Lin- 

 naean system. 

 Trihilatae. Seeds having three eyes. 



Trijugurn/b/«m. A winged leaf with three pairs of leaflets. 

 Trilobum folium. A leaf having three lobes. 



