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GLOSSARY. 
Shrub. A woody perennial, smaller than a tree. 
Silicle. A short silique. 
Silique. The peculiar pod of Cruniferae. 
Silky. Covered with close-pressed, soft and straight pubescence. 
Simple. Of one piece; not compound. 
Sinuate. With the outline of the margin strongly wavy. 
Sinus. The cleft or recess between two lobes. 
Smooth. Without roughness or pubescence. 
Sorus (pi. sori). A heap or cluster applied to the fruit-dots of ferns. 
Spadix. A spike with a fleshy axis. 
Spathe. A large bract or pair of bracts enclosing an inflorescence. 
Spatulate. Gradually narrowed dowuward from a rounded summit. 
Spicate. Arranged in or resembling a spike. 
Spiciform. Spike-like. 
Spike. A form of simple inflorescence, with the flowers sessile, or nearly 
so, upon a more or less elongated common axis. 
Spikelet. A small or secondary spike. 
Spindle shaped. Same as fusiform. 
Spiue. A sharp woody or rigid outgrowth from the stem. 
Spinose. Spine-like or having spines. 
Sporangium. A spore-case. 
Spore. The reproductive organ in cryptogams which corresponds to a seed. 
Sporocarp. The fruit-cases of certain cryptogams containing sporangia or 
spores. 
Spur. A hollow sac-like or tubular extension of some part of the blossom, 
usually nectariferous. 
Squamula. A reduced scale, as the hypogynous scales in grasses. 
Squarrose. Having spreading and projecting processes, such as the tips of 
involucral scales. 
Squarrulose. Diminutively squarrose. 
Stamen. One of the pollen-bearing or fertilizing organs of the flower. 
Staminodium. A sterile stamen, or any structure without anther, corre- 
sponding to a stamen. 
Standard. 'The upper dilated petal of a papilionaceous corolla. 
Stellate, stelliform. Star-shaped. 
Stem. The main ascending axis of a plant. 
Sterile. Unproductive, as a flower without pistil, or stamen without anther. 
Stigma. The part of a pistil through which fertilization by pollen is effected. 
Stigmatic. Belonging to or characteristic of the stigma. 
Stipe. The stalk-like support of a pistil ; the leaf-stalk of a fern. 
Stipitate. Having a stipe. 
Stipular. Belonging to stipules. 
Stipulate. Having stipules. 
Stipule. Appendage at the base of a petiole or on each side of its insertion 
Stolon. A runner or any basal branch that is disposed to root. 
