304 



INDEX 



Secretion cells, of klip buchu leaf, 262 



of white pine, 248 

 Short paraffin process, 29 

 Sieve cells, of klip buchu leaf, 262 



of pink root, 221 



of ruellia rhizome, 226 



of ruellia root, 223 



of ruellia stem, 235 



of spigelia stem, 235 

 Sieve plate, 138 



illustration of, 137 

 Sieve tube, illustration of, 137 



tubes, introduction, 136 



tubes, structure, 136 

 Simple microscope, introduction, 3 

 Slide box, 48 



box, illustration, 48 



cabinet, 49 



cabinet, illustration of, 49 

 forceps, 45 



forceps, illustrations, 45 

 tray, 48 



tray, illustration, 48 

 Solitary crystals, illustrations of, 207- 

 209, 211, 212 

 unicellular hairs, 69 

 Special research microscope, 14 



illustration, 14 

 Specimens, preservation of, 48 

 Spermoderm, of celery fruit, 288 



of seeds, 289 

 Spigelia marylandica, powdered, il- 

 lustration of, 228 

 rhizome, cross-section, illustra- 

 tion of, 224 

 root, cross-section, illustration 

 of, 220 



stem, cross-section, illustration 

 of, 234 

 Spindle fibres, 55 



Spiral vessels, illustrations of, 129, 

 130 



Spongy parenchyma of klip buchu, 

 260 



Stage micrometer, 19 



illustration, 19 

 Staining dish, 40 



illustration, 40 

 Standardization of ocular microm- 

 eter, 19 



Starch grains, illustrations of, 186, 

 187, 189-193 



Steinheil lens, 5 



illustration, 5 

 Stems, diagnostic structures of, 233 



dicotyledonous, 233 



herbaceous, 233 



monocotyledonous, 233 

 Stomata, aerating function of, 151 



illustrations of cross-section, 156 



relation to surrounding cells, 



154 



types of, 153 

 Stone cells, of ruellia root, 223 

 branched, 109 



branched, illustrations of, no 



description, in, 112 



introduction, 109 



occurrence, illustrations, 115 



porous and non-striated, in 



porous and non-striated, illus- 

 trations of, 114 



porous and striated, 109 



porous and striated, illustrations 

 of, 113 



storage function of, 178 

 Storage cavities, 176 



cavities, illustrations of, 177 



cells, 173 



cells, cortical parenchyma, 173 

 cells, illustrations of, 174 

 cells, pith parenchyma, 173 

 cells, wood parenchyma, 173 

 tissue, 173 



walls, description of, 179 

 Stored mucilage and resin, illustra- 

 tions of, 175 

 Surrounding cells, arrangement of, 

 154 



Synthetic tissue, introduction, 163 

 Temporary mounts, 41 

 Testa cells, 65 



epidermal cells, illustrations, 64 

 Tracheids of pink root, 221 

 Trailing arbutus leaf, cross-section, 



illustration of, 266 

 Tripod magnifier, 4 



illustration, 4 

 Turntable, 46 



illustration, 47 

 Under epidermis of klip buchu leaf, 

 262 



epidermis of mountain laurel, 

 264 



