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GLOSSARY. 
Sorediferous. Bearing sori. 
Sori. That particular fructification of ferns which has the ap¬ 
pearance of small brown patches on the back of the leaves. 
Spadix. A flower-spike, issuing from a spatha. 
Spatha. Spathe. A leaf rolled round the flower-spike, so as 
to completely envelope it while young, through which the 
latter eventually protrudes near the top. 
Spathulate. Shaped like a spatula, or broad, straight knife. 
Sphacelate. Having a dry, withered, or dead appearance. 
Spherical. Bound. 
Spheroidal. Almost spherical. 
Spike. A kind of inflorescence, in which the flowers are usually 
sessile, and arranged one above the other round a rachis or 
central stem. 
Spines. Hard, woody, pointed processes, of more than annual 
duration. 
Spinous. Bearing many large spines. 
Spinulose. Covered with small spines. 
Spiral. Circularly coiled, like a corkscrew. 
Sporules. The vegetating atoms or seeds of cryptogamic plants. 
Spurs. A lengthening of the floral envelope in the manner of a 
horn, common in the genera Delphinium and Tropseolum. 
Squamose. Formed of imbricating scales, as the bulb of the 
lily. 
Squarrose. Set rigidly at or near right angles, as in the foliage 
of the Proteacese. 
Stamen. The male or pollen-bearing organ of a flower. 
Standard. The erect segment of a papilionaceous flower. 
Stellate. Resembling the form of a star. 
Stellulate. Having the appearance of several little stars. 
Stigma. The female organ of a flower. 
Stipes. The stalk of fungi. 
Stipitate. Having only a short stalk. 
Stipules. Small, scale-like processes attached to the base of 
the footstalk of some leaves. 
Stoloniferous. Increasing by means of underground stems or 
roots, which extend to a distance from the parent, and there 
break through and become foliated. 
Stolons. Root shoots. 
