Staminodium. A sterile stamen. 



Sterile. Unproductive, as a flower without pistil, or a stamen 



without anther. 



Stigma. The part of a pistil which receives the pollen. Page xm. 

 Stipules. Leaf-like appendages on either side of a leaf at the 



base of the petiole. 



Stipule-scar. The scar left by the fall of a stipule. Page xv. 

 Striate. Marked with fine longitudinal stripes or ridges. 

 Strobile. A cone. 

 Style. The part of a pistil connecting ovary with stigma. Page 



XIII. 



Sub-. A prefix applied to many botanical terms, indicating 



somewhat or slightly. 

 Subtend. To lie under or opposite to. 



Sucker. A shoot arising from a subterranean part of a plant. 

 Superposed. Placed above, as one bud above another at a node. 

 Suture. A junction or line of dehiscence. 



Terete. Circular in cross-section. 



Terminal. Situated at the end of a branch. 



Ternate. In threes. 



Thorn. A stiff, woody, sharp-pointed projection. 



Tolerant. Capable of enduring more or less heavy shade. 



Tomentose. Densely pubescent with matted wool. 



Toothed. With teeth or short projections. 



Torus. The part of the axis of a flower which bears the floral 



organs. 

 Transverse. Said of a wood section made at right angles with 



the axis of the stem ; across the grain. 

 Tree. Usually defined as a plant with a woody stem, unbranched 



at or near the base, reaching a height of at least 15 feet. 

 Trunk. The main stem of a tree. 

 Ttirbinate. Top-shaped. 



Umbel. A simple inflorescence of flowers on pedicels which 



radiate from the same point. Page xiv. 

 Umbellate. Arranged in umbels. 



Undulate. With 'a wavy margin or surface. Page xm. 

 Unisexual. Of one sex, either staminate or pistillate; not perfect. 

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