INDEX. 



517 



178 (figs. 71, 72); Lycopodium 

 complanatum, 176 (fig. 70) ; Pinus 

 sylvestris, 137 (figs. 50-7) ; Ranun- 

 culus repens, 120 (fig. 45); Tilia 

 europcea, 153 (figs. 58-63) ; Zea 

 Mais, 101 (figs. 40, 41). 



Stem, to make longitudinal sections of, 

 107, 12*3. 



Stereiides, stereome. See mechanical 

 system. 



Sterigma, of JEcidium, 332 (fig. 118) ; 

 Agaricus, 336 (fig. 120) ; Peni- 

 cillium, 324 (fig. 118) ; Russula, 

 335 (fig. 119). 



Sterilising, 279, 289, 312. 



Stigma, 394, 396, 430. 



Stinging hairs. See hairs. 



nettle. See Urtica dioica. 

 Stipe of Agaricus, 200. 



Stock, ten-week. See Matthiola annua. 



Stomata, of Aloe nigricans, 86 (fig. 

 31) ; hyacinth, 84 ; Iris florentina, 

 80 (fig. 28) ; Lilium, 86 ; Mnium 

 hornum, 352 ; Ruta graveolens, 

 190 (fig. 75) ; Tradescantia, vir- 

 ginica, 84 (fig. 30) ; T. zebrina, 85. 



- accessory cells, 85 (fig. 30). 



guard-cells, 61 et seq. (figs. 28, 31) ; 



movements of, 83 ; interruption 

 of hypoderma at, 106. 



water, in Tropceolum, 88 (fig. 32). 

 Stone of plum, 423. 



- cells, of pear, 65 (fig. 23). 

 Stoneworts = Characese. 



Stoning, the phenomenon of, in the 



cherry, 425. 



Strelitzia, orange chromatophores, 55. 

 Strengthening layer (root of Tax-us), 



169. 



Striae, on epidermal cells, 55. 

 Structure and function, correlation of, 



199. 



Style, 394, 396, 430. 

 Suberin reactions, 166, 186. 

 to distinguish from cuticle, 186. 

 Suberisation, 166. 

 Suberose layer (exodermis), 165. 

 Sub-hymenial layer, 327 et seq. (figs. 



117-20). 



Suctorial organs. See haustoria. 

 Sugar, cane-sugar, as stimulus for 



spermatozoids of moss, 361. 



cane. See Saccharum officinarum. 



grape-sugar. See glucose. 



identification in beetroot, 67 ; in 



pear, 66. 



reactions, Fehling's, 66, 67. 



- solution, use of, 38, 45, 391, 401, 404. 

 Sulphur, in cell-contents of bacteria, 



268. 



dioxide, use of, 401. 



Sulphuric acid, use of, 63, 65, 78, 84, 

 130, 165, 166, 180, 232, 258, 381-2. 



as reagent for calcium oxalate, 63 ; 



calcium phosphate, 70 ; cuticle, 



84, 88. 



Sundew. See Drosera. 

 Sunflower-pith, to obtain, 82 ; use of, 



81. 



Sunlight, action on bacteria, 285. 

 Superior (of ovary). See free. 

 Suspensor, 376, 413. 

 Suture, 395. 



Swarming of bacteria, 268. 

 Swarm-spores, of Cladophora glome- 



rata, 293 (fig. 108) ; Phytophthora, 



320 (fig. 115); Pythium, 322; 



Voucher ia sessilis, 295 (fig. 109). 

 Sweet-flag. See Acorus Calamus. 



pea. See Lathyrus odoratus. 

 Swift & Son's microscopes, xxi. 

 Symbiosis, 239. 

 Syncarpous (of pistil), 396. 

 Synergidaa, 403 ; disorganisation of, 



408. See also embryo-sac. 

 Syringa culgaris, leaf structure, 194. 



TABLE, working, kind and position of, 

 xxix. 



Tanacetum vulgare (Tansy), develop- 

 ment of pollen, 444. 



Tannin, presence and identification in 

 oak-gall, 70 ; in Pinus, 149 ; use 

 of for crystalloids, 36. 



Tapetal cells, 384 (fig. 140). 



Taraxacum, latex system, 125. 



Taxus baccata, interval between pol- 

 lination and fertilisation, 372 ; 

 mesothecium, 383 ; structure of 

 root, 168 (fig. 68). 



Teeth, bacteria of, 276. 



Tegmen (inner spermoderm), 417. 



Teleutospores. See spores. 



Tension, in thallus of Fucus, 241. 



Testa, structure in Capsella Bursa- 

 Pastoris, 410 (fig. 149), 417. 



Test-objects, 78, 259. 



Tetrarch vascular bundles of roots, 

 222, 224. 



Thallus of Anaptychia (Parmelia) 

 ciliaris, 239; of Fungi, 237; of 

 Lichens, 239 ; Marchantia poly- 

 morplw, 233 ; of Fucus, 240. 



Thermo-regulator, Thermo-stat, 447. 



Thickness, increase in ; stem of Aris- 

 tolochia ISipJw, 131 et seq. ; root of 

 Taxus baccata, 167 ; roots of Dico- 

 tyledons, 171 ; thallus of Fncns, 

 243 . See also Pinus sylvestris and 

 Tilia europcea. 



- abnormal, for Monocotyledons, 

 in Dracfena Draco, 117. 



