GLOSSARY OF BOTANICAL TERMS 



Reflexed. — Bent backward abruptly. 



Regular. — Uniform in shape or structure. 



Repaxd. — With slightly uneven and somewhat sinuate margin. 



Reticulate. — In the form of a network. 



Retrorse. — Facing outward ; applied to stamens that face away from the 

 pistil. 



Re volute. — Rolled backwards. 



Root. — The underground part of a plant which supplies it with nourish- 

 ment. 



Rostrate. — Having a beak. 



Rotate. — With a flat, circular, corolla limb. 



Salver-shaped. — Having a slender tube abruptly expanded into a flat limb 

 or border. 



Samara. — An indehiscent winged fruit. 



Seed. — The ripened ovule. 



Secund. — Borne along one side of an axis. 



Segment. — A division of a leaf or fruit. 



Sepal. — One of the leaves of a calyx. 



Serrate. — With teeth projecting forward. 



Serrulate. — Diminutive of serrate. 



Sessile. — Without a stalk. 



Silky. — Covered with close-pressed, soft and straight pubescence. 



Simple. — As applied to leaves; in one piece, undivided. 



SlXUATE. — With wavy margins. 



Sinus. — The cleft between two lobes. 



Smooth. — Without irregularities ; destitute of hairs. 



Sport. — A sudden variation from the normal type of structure. 



Species. — A group of individuals which possess in common such a number 

 of constant characters ihat they may be considered to be descended from 

 a common ancestral form. 



Spike. — An elongated flower cluster. 



Spixe. — A sharp woody or rigid outgrowth from the stem. 



Spray. — The ultimate division of a branch. 



Stamen. — The organ of the flower that bears the pollen. 



Staxdard. — The upper dilated petal of a papilionaceous corolla. 



Stellate. — Star-like. 



Sterile. — Unproductive ; as a flower without pistil or stamen without an- 

 ther. 



Stigma. — The summit or side of the pistil to which the pollen grains become 

 attached. 



Stipulate. — With stipules. 



Stipule. — Appendages at the base of a petiole, often adnate to it. 



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