244 



INDEX 



Spinose pollen, *193, 195 



Spiral ducts, 121, *123 



Stage, *42, 43 



, mechanical, 213, *215 



, micrometer, 214 



Stains, acid fast, 67 



, double, 67 



, formulae for, 66, 224 



for cellulose, 68 



cell walls, 67 



cutin, 68 



gums, 69 



lignin, 68 



pectins, 69 



suberin, 68 



, general, 66 



, saturation, 66 



Staining, 66 



, differential, 68 



solutions, 66 



Stalked glandular hairs, 99, *100 



Stamen tissues, *193, 194 



Standardization of micrometers, 

 215 



Starch, assimilation, 134 



, reactions for, 61 



, reserve, 134, 143 



, soluble, 134 



, synthesis of, 132 



Starch grains, beaked, 143, *145 

 , classification, 143 

 , compound, 135, 143, *145 

 , forms of, *145 

 ,hilum, 135, 144, *145 

 , simple, 135, 143, *145 

 , sizes of, 143 

 , striated, 135, 144, *145 



Stele, 157 



Stellate hilum, 144, *145 



Stem bark, 170, *173 



- bundles, *82, 84, *165 



- cambium, *82, 170 



Stem cortex, *82, 167, *173 



- endodermis, 83, *165, 167 



- epidermis, 83, *165, 166 



hypodermis, 83, *165, 166 



- phloem elements, *82, *165, 



168, *173, 176 



- pith, 84, *165, 168, 182 



- structures, 163, *165 



tissues in flowers, 196 

 , monocotyledonous, 163, 



*165 

 , primary, *82, 83, 163, 



*165 

 , secondary, *82, 83, 163, 



169 

 Stigma epidermis, *193, 195 



papillae, *193, 195 

 Stoma, 115, *116 

 Stomata, 115, *116 

 >, functions of, 115 



, structure of, *116, 117 



Stone cells, 110 



, classification, 110 



, forms of, *109, 110 



, in barks, *172, *173, 176 



, storage in, 141 



Storage tissues, 140 



Striations, 89, 105, 135, 144 



Striated fibers, 105, *106, *107 



starch grains, 144 



- stone cells, *109, 110 

 Structure of cell wall, 73 

 Subepidermal cells of leaf, 89, 



185, 185, *186 



seed, 209, *210 



Suberin, 59 

 , reactions for, 59 

 , stains for, 68 

 Suberized cell walls, 59 

 Substage, *42, 43 

 Sucrose, 62, 135 

 Sugars, 62, 135, 144 



