GLOSSARY OF TERMS. 403 



Scaly stem, covered with scales, f. 15. 



Scape, a flower-stalk arising from the root. 



Scattered, irregularly distributed. 



Scattered leaves or scales, irregularly distributed, f. 24. 



Seed-down, a bristly crown attached to the seed. 



Segments, the division of an organ. 



Semi-cylindrical, elongated, fiat on one side, and round on the other. 



Sen-ate, with sharp close teeth, pointing in one direction, f. 61. 



Shaggy, covered with very long, soft hairs. 



Sheath, a membranous covering enclosing the flower, and afterwards 



bursting longitudinally, f. 87. 

 Sheath of the leaf, the lower part of the leaf of a grass, which encloses 



the straw. 



Sheathing, investing the stem with a sheath. 

 Shining, reflecting light strongly. 

 Simple, undivided, or consisting of one. 

 Simple leaf, consisting of one piece. 



Simple flower, when a single flower is contained in the calyx. 

 Simple seed-down, consisting of undivided hairs, f. 149. 

 Smooth, destitute of hairs. 

 Solid, not hollow. 



Solitary flower, one only in the same place, or on the stem. 

 Sori, masses or groups of capsules, arranged on the back of the frond in 



ferns. 



Sparse, irregularly scattered, or distant. 

 Sparsely, distantly. 



Spathulate, circular at the end, and tapering towards the base, f. 38. 

 Spherical, of the form of a sphere, f. 113. 

 Spike, numerous flowers arranged along a common stalk, without partial 



stalks, f. 94, 95. 



Spiked ' Jiowers, arranged in the form of a spike. 

 Spiked panicle, a very close panicle resembling a spike. 

 Spikelet, a term applied to grasses and other plants, which have many 



flowers arranged on a stalk within a common calyx, f. 96. 

 Spindle-shaped root, thick and fleshy, tapering downwards, f. 3. 

 Spine, an acute appendage, arising from the wood, f. 91. 

 Spreading branches or leaves, coming off at a moderately acute angle. 

 Spur, a horn-shaped production of the corolla, f. 132. 

 Stalk or scape, a stem that supports flowers but not leaves. 

 Stamens, organs of the flower, consisting of a bag filled with powder, and 



generally supported on a stalk. 



Standard, the upper petal of a papilionaceous corolla, f. 129. 

 Stemless plants, having no stem properly so called. 

 Stigma, the top of the style, f. 136, c. 

 Stipule, an appendage to the leaf, f. 84. 

 Strap-shaped, narrow and flat. 



Straw, the stem of grasses, rushes, and allied plants. 

 Striated or streaked, marked with parallel lines. 

 Strubilus, a catkin hardened and enlarged, f. 146, 147. 

 Style, a stalk supporting the stigma, f. 136, b. 

 Subdivided stalk, bearing several flowers. 

 Submersed, under water. 

 Sword-shaped leaves, perpendicular, two-edged and slightly convex on 



both surfaces. 



