Compound microscope, illustration, 10 microscope, mechanical parts of, 7, 8 microscope of Robert Hooke, illustration, 8 microscope, optical parts of, 9, 11, 12 microscopes, introduction, 7 Concentric vascular bundles, 295 Conducting tissue, introduction, 126 Cork cells, origin of, 88 Cortical parenchyma, conduction by, 147 of ruellia stem, 235 Cortex, of pink root, 219 of ruellia rhizome, 226 of ruellia root, 221 of ruellia stem, 235 of spigelia rhizome, 223 of spigelia stem, 233 Cover glasses, 43 illustrations, 44 Crystal cavities, 176 cells, storage function of, 179 Cutting sections, 31 Cystoliths, illustrations of, 214 Cytoplasm, 53 Daisies, white, powdered, description of, 282 illustration of, 283 Dissecting microscope, illustration, 5 needles, 46 needles, illustration, 46 Drawing apparatus, illustration, 23 Ectoplast, 53 Embryo, diagnostic structures of, 291 Endocarp of celery fruit, 288 Endodermal cells, illustrations of longitudinal sections, 119 illustrations of cross-sections, 117 introduction, 116 structure of, 116, 118 Endodermis, of klip buchu leaf, 262 of pink root, 219 of ruellia root, 223 Endosperm of celery fruit, 288 of seeds, 291 Epicarp of celery fruit, 285 Epidermal cells of leaves, storage function of, 179 Epidermis, surface deposits of, 62 of herbaceous stems, illustrations of, 152 of klip buchu leaf, 260 of leaves, illustrations of, 155 of mountain laurel, 264 of pink root, 219 of ruellia rhizome, 226 of ruellia root, 221 of ruellia stem, 235 of seeds, 289 of spigelia rhizome, 223 of spigelia stem, 233 of testa, 63 Epidermis of trailing arbutus, 264 Equatorial plane, 55 plate, 55 Fibro-vascular bundles, composition of, 292 of klip buchu leaf, 262 types of, 292 Flowers, diagnostic structures of, 284 parts of, 270 Folding magnifier, 4 illustration, 4 Fruits, cellular structure of, 285 diagnostic characteristics of, 288 diagnostic structures of, 288 Glandular hairs of peppermint, 178 illustrations of, 165 multicellular, 164 multicellular, multiseriate stalked, 166 multicellular, multiseriate stalked, description of, 166 multicellular, multiseriate stalked, occurrence, 166 multicellular sessile, 164 multicellular stalked, 164 multicellular, uniseriate stalked, 164 stalked, illustrations of, 167 storage function of, 178 unicellular, 164 unicellular, multiseriate stalked, 164 unicellular sessile, 164 unicellular stalked, 164 unicellular, uniseriate stalked, 164 Glandular tissue, introduction, 164 Glass slides, 44 illustrations, 44 Greenough binocular microscope, 15 illustration, 15 Guard cells, 151