Bast fibres, 89 branched, 92 branched, illustrations, 95 crystal bearing, 90, 92 description of, 100 groups of, illustrations, 102 non-porous and non-striated, 96 non-porous and non-striated, illustrations, 101 non-porous and striated, 96 occurrence in powdered drugs, 103 of barks, illustrations, 91, 93, 94 of klip buchu leaf, 262 of ruellia rhizome, 226 of ruellia root, 223 of ruellia stem, 235 of spigelia stem, 235 porous and non-striated, illustrations, 98 porous and striated, 92 porous and striated, illustrations, 97 storage function of, 179 striated and non-porous, illustrations of, 99 Bi-collateral vascular bundles, description of, 298 Buchu stems, cross-section, illustration of, 243 cross-section, illustration of, 244 powdered, description of, 245 powdered, illustration of, 246 Cambium of pink root, 221 of ruellia rhizome, 226 of ruellia stem, 237 of spigelia rhizome, 223 of spigelia stem, 235 Camera lucida, 22 illustrations, 22 Care of microscope, 28 Celery fruit, diagrammatic drawing of, 287 Cell contents, 182 aleurone grains, 197 aleurone grains, description of, 198 aleurone grains, form of, 197 aleurone grains, structure of, 197 aleurone grains, tests for, 198 chlorophyll, 182 crystals, 200 crystals, composition of, 200 crystals, micro-, 200 crystals, raphides, 200 crystals, rosette, 200 crystals, solitary, variation of, 205 cystoliths, 210 cystoliths, forms of, 210 cystoliths, occurrence of, 215 cystoliths, tests for, 215 hesperidin, 196 hesperidin, test for, 196 inulin, 194 inulin, tests for, 194 leucoplastids, 183 mucilage, 194 mucilage associated with raphides, tests for, 194 mucilage, tests for, 194 organic, 182 starch grains, formation of, 183 starch grains, hilum nature of, 188 starch grains, hilum of, 185 starch grains, mounting of, 188 starch grains, occurrence of, 184 starch grains, outline of, 185 starch grains, size of, 185 starch grains, tests for, 188 tannin, 196 tannin, occurrence of, 196 tannin, test for, 197 volatile oil, test for, 196 volatile oils, 196 Cell division common to onion root, 56 Cell plate, 55 Cell sap, 53 Cell, typical, 53 Cell wall, 53 Chromatin, 54 Chromatin granules, 55 Chromatophores, 53 Chromosomes, 55 Closed collateral bundles of mandrake stem, cross-section illustration of, 296 Collateral vascular bundles, 295 Collenchyma cells, composition of walls, 109 illustrations, 108 occurring in catnip and motherwort, illustrations, 107 of ruellia stem, 235 structure of, 106