448 



INDEX 



Saponins, 48. 



Sapotaceae, laticiferous elements of, 



J 57- 

 Saprolegnia, 231, 235 (fig.) ; S. 



ferox, 236. 

 Saprophytic Algae, 206 ; Angio- 



sperms, 178, 179 ; Fungi, 



230 et seq., 252, 253. 

 Sarcina, 262. 

 Sargasso Sea, 203. 

 Sargassum baccifemm, 203, 204 



(fig.)- 

 Satinwood (Chloroxylon swietenia), 



130. 



Saxifraga sarmentosa, 8, 63. 

 Saxifrages (Saxifraga), chalk-glands 



of, 147. 



Scalariform tracheids, 293 (fig.). 

 Scale-bark, 141. 

 Scale-leaves, structure of, in. 

 Scales of Liverworts, 271, 272, 273 



(fig.) ; of Mosses, 274. 

 Scars, 141, 142. 

 Scenedesmus, 191 (fig.), . 192, 207 ; 



S. obliquus, 191 (fig.) ; 5. 



quadricauda, 191 (fig.). 

 Scharlack Red, 402 ; and cork, 



136 ; and cuticle, 92 ; and 



fats, 49. 

 Schizogenous secretory cavities, 



151, 152 (fig.). 

 Schultze's solution. See Chlor-zinc- 



iodide. 

 Scilla, 44, 365 ; growing point of 



root of, 20 (fig.) ; 5. nutans, 44. 

 Scion, 142, 389. 

 Scirpus, 178. 

 Sclerenchyma, 32-4 (fig.) ; of 



assimilatory stems, 162 (fig.) ; 



of Ferns, 290 (fig.), 292, 293 



(fig.), 294 (fig.), 295 ; oiHakea- 



leaf, 166 ; of leaf, 112; of 



Lyginopteris, 328, 330 (fig.) ; 



of secretory canals, 152 (fig.) ; 



of stem, 80, 81 (fig.), 83 (fig.), 



87 (fig.), 139 (fig.). 

 Scleroderma vulgare, 251 (fig.). 

 Sclerotinia, 239 (fig.), 241. 

 Sclerotium, 239 (fig.), 241 (fig.), 



2 4 2 . 255. 

 Scolopendrium vulgare, leaf and 



sorus of, 291 (fig.), 296 (fig.). 

 Scotch Fir (Pinus sylvestris), arche- 



gonia of, 348, 349 (fig.) ; em- 

 bryology of, 350, 351 (fig.) ; 



female cones of, 345 (fig.), 346, 



347 (fig.) ; fertilisation of, 



350 ; habit of, 334, 335 ; leaf- 



structure of, 152, 166, 342-4 

 (figs.) ; male cones of, 344, 

 345 (fig.), 347 (fig.) ; ovules of, 

 348, 349 (fig.) ; pollen of, 

 345, 347 (fig.), 351 (fig.) ; 

 pollination of, 348, 350 ; seeds 

 OI , 35 T 35 2 ', seedlings of, 



337, 338 (fig.) ; stem-structure 

 f, 338-41 (figs.) ; wood of, 

 37 (fig-). 340, 34i (fig-)- 



Scrophulariaceae, 60, 367. 



Scutellum (of Grasses), epidermis 

 of, 150. 



Sea Blite (Su&da maritima), 166 ; 

 Buckthorn (Hippophcs rham- 

 noides), 103 (fig.) ; Grass 

 (Zostera), 172, 361 ; - - Holly 

 (Eryngium marUimum], 93, 113 

 (fig.) ; Lettuce (Ulva), 198, 

 215 (fig.) ; - Purslane (Arenaria 

 peploides), 94. 



Seasoning of timber, 128, 129. 



Seawater, artificial, 402 ; equivalent 

 osmotic pressures of, 403 ; use 

 of, in determining osmotic pres- 

 sure, n, 15; in plasmolysis, 

 8, 15- 



Seaweeds, 38, 180, 195, 198-205 

 (figs.), 211 ; ash of, 15. 



Secondary bundles, 133 (fig.), 134. 



Secondary medullary rays of, Coni- 

 fers, 340, 341 (fig.) ; Dicoty- 

 ledons, 119 (fig.), 120, 122-4 

 (fig.), 128 (fig.), 130; roots, 132. 



Secondary phloem of, Conifers, 

 339, 341 (fig.) ; roots, 131, 

 132; stems, 118, 119 (fig.), 

 120, 121 (fig.), 130. 



Secondary thickening, 117-26 

 (figs.), 130-43 (figs.) ; anoma- 

 lous , 132-4 (fig.) ; effects of, 

 119, 120, 135, 137; of Cheno- 

 podiaceae, 133 ; of Conifers, 



338, 339 (fig.) ; of Cycads, 323 ; 

 of Dicotyledonous stems, 117- 

 26 (figs.) ; of Draccsna, 133 

 (fig.), 134 ; of fossil Pterido- 

 phyta, 312, 315 ; of leaf, 112 ; 

 of Lyginopteris, 328, 330 (fig.) ; 

 of Monocotyledons, 133 (fig.), 

 134 ; of roots, 131 (fig.), 132. 



Secondary wood of, Conifers, 127, 

 339-41 (figs.) ; Cycads, 323 ; 

 Lyginopteris, 328, 330 (fig.) ; 

 root, 131, 132; stem, 118, 

 1 19-26 (figs.). 



Secretion, 58, 144-57 ; in glan- 

 dular hairs, 104-6; of 



