204 



LSDEX. 



Sinapis, the mustard plant, 46. 



Sipbonia elastica (Gr. siphon a siphon, and Lat* 

 "elastic "), milky juice of the, 31. 



Solanum tuberosum (Lat. solatium the night- 

 shade, and tuberosum cellular), the potato 

 plant, 26, 32 ; stem of the, 70. 



Solanales, 191. 



Soredia of lichens, 146. 



Sori of the fern, 139. 



Spadix, a part of inflorescence, 106. 



Spagnum (Gr. spao to suck up), leaf of the moss 

 so called, 6. 



Sparganium ramosum (Gr. sparganon a fillet, 

 and ramosum branching), cells from the leaf 

 of the, 11. 



Spathe, the, of inflorescence, 109. 



Species of plants, characteristics of the, 181. 



Spider orchis, pseudo bulbs of the, 73. 



Spike, inflorescence of the, 105, 106. 



Spiral fibres of plants, 17 ; of the scale moss, 

 144, 145. 



Spiral vessels of plants illustrated, 25 ; uses of 

 the, 26. 



Spires of plants, 68. 



Sponge, representation of the, 4. 



Spongiolaoftheroot(Lat. "a little sponge"), 91. 



Sporangium of mosses (Gr. sporos seed), 144. 



Spores of Confervae (Gr. sporos}, motion of the, 

 4; of the fern, 139, 140, 141 ; of mosses, 144; 

 of sea-weeds, 147. 



Spruce beer of Norway, obtained from vegetable 

 tissue, 23. 



Squill, crystals in the bulb of the, 41. 



Stamen (Lat. "a filament"), an essential part 

 of inflorescence, 116 122 ; various Greek 

 terms applied to the, 116, 117. 



Stamens converted into petals, 114 ; different 

 forms of the, 118 ; classes of Linnaeus arranged 

 according to the, 118 ; the distinguishing cha- 

 racteristics of the classes of plants, 176 et seq. 



Star-anise, cells from the seed of the, 13. 



Starch, existence of in vegetable and animal 

 productions, 5 ; vegetable secretions of, 31 et 

 seq. ; grains of, in different plants, 35 et seq. 



Starch granules, theory of, 36, 39. 



Star-shaped or stellate cells, 11. 



Stem of a tree, section of the, 6. 



Stem of a plant, its various parts, 58 ; its general 

 divisions, 73. 



Stems, herbaceous, 59, 60 ; of wooded plants, and 

 their varieties, 70, 73 et seq. ; exogenous, 75 ; 

 and endogenous, 86 (which see) ; the roots, 

 leaves, &c., 90, 92 et seq. See Trees. 



Stigma of the pistil, 123. 



Stinging hairs of plants, 67. 



Stipels of leaves, 103. 



Stipes of the fern, 140. 



Stipules of plants (Lat. stipula a straw), 103. 



Stomata of piants (Gr. stoma a stomach), 61 et 

 seq. ; number found on leaves, 63 ; th eir nature 

 and formation, 64. 



Strawberry, primordial utricle of the, 9 ; cella 

 of the, 10. 



Strawberry leaf, spiral vessels of the, 25, 26 ; 

 leaf divided into three leaflets, 99. 



Strobilus, the pine apple, 133. 



Style of the pistil, 123, 124; of flowers, 180. 



Sub-classes of Lindley, Diclinous, Hypogynous, 

 Perigynous, and lipigynous Exogens, 188192. 



Sucker of plants, 72. 



Sugar, produced from vegetable tissue, 23, 51 ; 

 its cultivation and general use, 52 ; obtained 

 from the beet -root, sugar -inaple, and the 

 sugar-cane, 53. 



Sugar-cane, cells of the, 8 ; representation of the, 

 52 ; horizontal section of the, 90. 



Sumach (Pers. sumak rue), tannic acid ob- 

 tained from, 50. 



Sutures of the stamen, 119 ; of the pistil, 127. 



Sweet-burr reed, cells from the leaf of the, 11. 



Syncarpi (Gr. syn together, and karpos fruit), 

 Class III. of fruits, 132. 



Syngenesia (Gr. syn, and ginomai to grow), sta- 

 mens of the, 117; Class XIX. of Linnaeus, 

 152, 167. 



Synocarpus ovary (Gr. syn, and karpos fruit), 

 126. 



Tallow, a vegetable secretion, 46. 



Tannic acid, obtained from various sources, 50. 



Tannin, a vegetable secretion, 50. 



Tapioca plant, vegetable secretion of the, 32. 



Tar, a vegetable secretion, 49. 



Taxus baccata (Lat. taxus the yew, and baccata 



producing berries), 20. 

 Teazel, hairs of the, 65. 

 Tendrils of leaves, 102. 

 Tercine of the ovule, 134. 

 Terra Japonica (Lat. "earth of Japan), tannic 



acid obtained from, 50. 

 Tetradynamia (Gr. tessares four-fold, and dyna- 



mis power), Class XIV. of Linnaeus, 152, 164. 

 Tetradynamous stamens, 118. 

 Tetragynia (Gr. tessares, and gyne a female), 



the order, 153 et passim. 

 Tetrandria (Gr. tessares, and andres males), 



Class IV. of Linnaeus, 152, 155; the order, 153 



et passim. 

 Textile materials, their respective characters 



illustrated, 23. 



Thalamus of the flower (Lat. " a bed "), 105. 

 Thallogens (Gr. thallos an organ of vegetation), 



and ginomai to produce), Class I. of Lindley, 



185. 

 Theobroma cacao (Gr. theos divine, and Iroma 



food; Portug. maooco monkey-face), 46. 



