496 



GLOSSAEIAL INDEX. 



Slides (slips), 2. 



Sodic chloride (NaCl), 15; diffusion of, 



222, 223. 

 Sodic hydrate (NaOH), use of, as a 

 reagent, 7; use of, in the manufacture 

 of paper-pulp, 147. 

 Sodic hypochlorite (NaClO), 11. 

 Sodium, can partly replace potassium in 

 plants, 255; occurrence of, in plants, 

 217. 

 Soft bast, the unlignified cells of the 

 liber portion of a fibre- vascular bundle. 

 Soils, absorption of heat by, 245; ab- 

 sorption and retention of moisture by, 

 239, 282; chemical absorption by, 243; 

 classification of, 238; condensation of 

 gases by, 244; effect of transpiration 

 upon, 283; evaporation from, 241,282; 

 filtration through, 242; formation of, 

 237; influence of, upon roots, 234; in- 

 fluence of, upon transpiration, 270; 

 mechanical ingredients of, 239; nitro- 

 gen available to plants in, 333 ; pliysi- 

 cal properties of, 239; root-absorption 

 of saline matters from, 244; tempera- 

 ture of, 245; transportation of, by 

 water, 238. 

 Solanum Fseudocapsicum, coloring- 

 matters in berries of, 177. 

 Solid yellow, 10. 



Sources of nitrogen for the plant, 327. 

 Specilic gravity of wood, 144. 

 Spectrum, classification of the raj's of 

 the, 308 ; effect of the rai's of the, upon 

 protoplasmic movement, 206 ; effect of 

 the raj's of the, upon transpiration, 

 278; of chlorophyll, 292, 313. 

 Spermoderm ((nrep/io, seed ; Sipiid, skin), 



178. 

 Spliieraphides ((n^aipa, sphere; pa^is, 



needle), 53. 

 Sphere-ci'ystals, 53. 

 Spines, GO. 



Spiral markings, 30, 84. 

 Spongiole {sponyiula, a little sponge), 



230. 

 Spongy cortex, 120. 

 Spongy parenchvma, 61. 

 Sports. 444. 

 Spring wood, 138, 396; transfer of water 



thro;igh, 258. 

 Staining agents, 15; effect of, upon pro- 

 toplasm, 210. 

 Stamens {stamen, a thread), development 



of, 171; sensitiveness of, 423. 

 Starch, amount of, in plants, 357; ap- 

 pearance of, when examined with 



polarized light, 60 ; conversion of, into 

 sugar, 357, 467; composition of, 60; 

 first visible product of assimilation, 

 321; in latex, 96; in seeds, 182; pres- 

 ence of, in chloroplastids, 42; produc- 

 tion of, in a plant dependent on potas- 

 sium, 262; solubility of, 49; structure 

 of, 47; tests for, 8, 50. 

 Starch cellulose, 50. 

 Starch generators. See Leucoplastids. 

 Steam, action of, on chlorophyll gran- 

 ules, 290, 475, n. 

 Stearic acid (OisHjoO,), 360. 

 Stearin (CsjHnoOs), 360. 

 Stellate hairs (steila, a star), 69. 



Stellate scales, 69. 



Stems, 118; bleeding of, 264; course of 

 fibro-vascular bundles in, 125; cortex 

 of, 119; development of, 124; dicoty- 

 ledonous (exogenous), 123, 136 ; epider- 

 mis of, 119; tibro-vascular bundles of, 

 120; injuries of, 149; monocotyle- 

 donous (endogenous), 129, 133, 135; 

 of mosses, 154 ; of vascular crypto- 

 gams, 154; pith of, 124; pressure of 

 sap in, 264; primary structure of, 119; 

 secondary structure of, 135; sensitive- 

 ness of, 417 ; transfer of water through, 

 258 ; wilting of cut, 263. 



Stereom (o-Tepeds, firm), 191. 



Stigma (crnyiid, a mark made by a 

 pointed instrument), 427 ; character of 

 the cells of the, 172; extent of surface 

 of the, 427, 430. 



Stigmatic secretion, 427. 



Stock, 152. 



Stomata (ordna, the mouth), 70, 268; de- 

 velopment of, 72, 376 ; guardian cells 

 of, 70, 269; mechanism of, 269; occur- 

 rence of, 70, n., 71, n., 72; passage of 

 gases through, 303 ; relations of, to 

 exter al influences, 270; size of, 71.' 



Stratification, 30. 



Striation, 30. 



Stroina (crTpinii, a bed), 198. 



Strontium, occurrence of, in plants, 2-56. 



Structural characters of wood, 146, re. 



Strychnia (CnHmN.Oa), 365. 



Style (stilus, a style), 427; character of 

 the cells of the, 172; conductive tissue 

 of, 431 : sensitiveness of, 424. 



Suberification {subei\ cork; facio, I 

 make), 34, 38. 



Suberin, 38; tests for, 7, 14, 39. 



Submerged phsenogams, leaves of, 161. 



Substitute fibres, 80. 



Sugar, diffusion of, 222; effect of a solu 



