Staminodium. A sterile stameii . . 



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



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. 



Sticker. 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. 

 Turbinate. 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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