244 



INDEX 



Spinose pollen, *193, 195 



Spiral ducts, 121, *123 



Stage, *42, 43 



— , mechanical, 213, *215 



— , micrometer, 214 



Stains, aeid 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 



— papillie, *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 



