INDEX 



237 



Epidermis of stigma, *193, 195 

 — , primary, 79, 83, 152, 166 

 Equivalent focal length, 36 

 Errors in sketching, 55, *55 

 Excentric hilum, 143, *145 

 Exocarp, 198 

 Extraordinary ray, 220 

 Eye point, *34, 50 

 Eyes, use of, 49 



F 

 Fats, 65, 148 

 — , reactions for, 65 

 Fehling's solution, 226 

 ■ Ferric chloride solution, 227 

 Fibers, bast, 80, *106, *107, 108 

 — , branched, 105, *107 

 — , cell contents, 105, 141 

 — , classification, 108 

 — , crystal-bearing, 105, *107 

 — , derivation of, 79 

 — , forms of, *106, *107 

 — , lumen of, 105 

 — , porous, 105, *106, *107, 108 

 — , striated, 105, *106, *107, 108 

 — ,wood, *106, 108 

 Fibrous tissues, 105 



, functions, 104 



Fibrovascular bundles, *78, 80, 

 *82, 127 



, collateral, *128, 129 



— — , complete, 81, *82, 127 



, concentric, 129, *130 



, derivation of, 80 



, incomplete, *78, 81, 127 



of leaves, 189 



roots, 80, 81, 156, 160 



stems, 83, 84, 168, 176, 



178 



, radial, 129, *130, 156 



Filar micrometer, *216, 217 

 Fine adjustment, *42, 44 



Fissured hilum, 144 



Fixing fluids, 2, 227 



Fixation, 2 



Flower structure, 191, *193 



Flowers, bract tissues, 192 



— , calyx tissues, 192 



— , cell contents, 196 



— , corolla tissues, 194 



— , pistil tissues, 195 



— , stamen tissues, 194 



— , stem tissues, 196 



Focal distance, 26, *28, *29 



— length, 26, *28, *29 

 Focusing cautions, 49 



— high powers, 48 



— low powers, 46 



— technic, 49 



Formalin solution, 2, 16, 227 

 Formation of image in micro- 

 scope, *34 



real image, 27, *28 



starch, 133 



virtual image, 28, *29 



Forms of aleurone, *147, 150 



— — crystals, *149 



cystoliths, *147, 148 



inulin, 144, *147 



silica, 148 



starch, 143, *145 



Formulae, 224 



Fruits, cell contents, 205 



— cremocarps, 198, *200 



, endocarp tissues, 201 



— • — , exocarp tissues, 198 

 , fibrovascular tissues, 201 



— — , mesoearp tissues, 198 

 , vittae, 199 



— , drupes, 201, *203 



, endocarp tissues, 202 



, exocarp tissues, 201 



, fibrovascular tissues, 202 



, mesoearp tissues, 202 



