ULussflKt ur oOTANICAL TERMS 



Refi.e.xed. — Bent backward abruptly. 



REGULAR. — Uniform in shape or structure. 



Repand. — 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. 



Revoi.ute. — 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. 

 Sinuate. — 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. 



Spine. — 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. 

 Standard. — 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. 



505 



