INDEX TO SUBJECTS. 



439 



Roots of vascular cryptogams 181 



" secondary changes in 181 



" shapes of 7 



Rosiflorae 388 



Rusts. 321 



CACCHAROMYCETES 315, 



Safranin 



Sage, flower of 96, 



Sap, ascent of in plants 231, 



Saprophytes 



" embryos of 



Saprolegnieae 



Sap-wood ... 



Sargassum 



Saxifragineae 



Schizogenous intercellular spaces.. 169, 



Schizomycetes 



Schizophy ta 



Schulze's maceration fluid 



Scitamineae 



Sclerenchy ma fi bers 



Sclerotic tissue 



Sclerotium 



Scytonemeac 



Sea-aprons. 301, 



Sea-Mosses 



Secretion receptacles 



" reservoirs 



Seed, coats of 



" definition of 



" nature of. 



" internal structure of 



Seeds 



" dispersion of 



" of Monocotyledons 



Selaginella 360, 



Selaginelleae, general characters of. ... 



Sequoias of Cretaceous 393, 



Shellac solution 



Sieve-tissue 



Sigillarias 392, 



Silurian flora 390, 



Sleep movements 



Slime-moulds 



Smut-fungi 



Sodium hypochlorite solution 



Soft-bast 



Soredia of Lichens 



Sorus of Ferns 351, 



" " Marsilea 



Sori of Rhizocarpeae 



Spadiciflorae 



Species, extinction of during glacial 



period 



Spermaphyta, classification of 



3 zo 

 213 

 97 

 232 

 244 

 384 

 312 

 190 

 302 

 388 

 170 

 276 

 276 

 209 



380 

 165 

 154 

 3°8 

 280 

 302 

 3°4 

 168 

 170 

 117 

 116 

 364 

 118 - 

 105 

 44 

 378 

 361 

 360 

 394 

 214 

 165 

 393 

 39« 

 2 53 

 '74 

 309 

 211 

 166 I 

 332 

 353 

 357 

 336 

 379 



396 

 362 I 



Spermaphyta, general characters of.. . 36a 



Spermatia of Ascomycetes 314 



Spermogonia of Lichens 331 



" Mosses 337 



Sphagnaceae 343 



Spirillum 278 



Spirogyra 294, 295 



Sporangia of Ferns 44, 351, 353, 354 



" " Pteridophyta 347 



Sporangium 257 



Spore-reproduction 257 



Spores of Melanophyceae 301 



" " Mosses 339 



Sporidia of Aecidiomycetes 321 



Spruces, pistillate flowers of 370 



Staff-cells 165 



Starch as reserve food-material .. ..238, 239 



" formation of 133 



" in chlorophyll-bodies 133 



" storage of 135 



Starch -grains, forms of 135 



" structure of 136 



Staining-fluids 212 



S tamens 75 



" parts of 75 



Stem, central cylinder of. 182 



" epidermis of. 182 



' ' histology of. ... . 182 



" primary cortex of 182 



Stem-structure, types of 183 



Stems, definition of 8 



" direction of growth of 12 



" duration of. 12 



" habits of growth of 13 



" how they differ from roots 8 



" leaf-like 16 



" of Club-mosses 357, 358 



Dicotyledons 382 



Ferns 353 



" size of 11 



" shape of 11 



" underground 14 



" uses of 8 



S terigmata 323 



Stigma, structure of 86 



Stipules, modification of 26, 27 



Stomata 155, 156 



" number to the square inch 194 



Storage of reserve materials 239 



Stramonium, fruit of 106 



Stroma 316 



S tyle of Compositse 86 



" structure of 85 



Suberin 130 



Suberous tissue 158 



Sugars 136 



