Proceedings of the Oliio State Academy of Science 187 



Stipel. The stipule of a leaHet. 



Stipular scar. The mark made on the bark by deciduous stipules. 



Stipular spine. A spine representing a stipule or having the position of 



a stipule. 

 Stipules. Bract-like appendages at the base of the petiole of many leaves. 

 Strigose. With stiff appressed or ascending hairs. 

 Style. The narrow top of the carpel or united carpels between the ovulary 



and stigma. 

 Subulate. Awl-shaped. 

 Succulent. Soft and juicy. 

 Superposed. Placed one above the other. 

 Sympetalous. With petals more or less united. 

 Synantherous. Having the stamens united by their anthers. 

 Syncarp. A fleshy aggregate fruit. 



Terete. Circular in cross section. 



Terminal bud. The bud at the morphological tip of the twig. 



Ternate. Divided into three segments ; arranged in threes. 



Tetracyclic. A flower with four cycles. 



Tetradynamous. With four long stamens and two short ones as in the 



Brassicaceae. 

 Tetramerous. Four-parted. 



Thorn. A highly modified sharp-pointed branch. 



Thorn-like spur. A short stunted branch ending in a sharp point or thorn. 

 Tomentose. Covered with dense wool-like hairs. 

 Triadelphous. Having, stamens united by their filaments into three 



bundles. 

 Trilocular (3-locular). Witli three cavities. 

 Trimerous. Three-parted. 



Truncate. Terminating abruptly by a nearly straight edge or surface. 

 Two-ranked. Disposed in two vertical rows along the twig; with the 



third leaf in line with the first. 



Umbel. A determinate inflorescence with all the peduncles or pedicles 



arising from the same point. 

 Undulate. With wavy margins. 

 Unilocular (1-locular). With one cavity. 

 Utricle. A one-seeded fruit with a loose pericarp. 



Valvate. Meeting by the margins in the bud, not overlapping; dehiscent 



by valves. 

 Vascular bundle. The conducting strands in the plant body composed 



of wood and bast in which water and food materials are 



conducted through the roots, stems and leaves. 

 Vein. One of the l)ranches of tlic vascular portion of leaves or other 



organs. 



