INDEX 



257 



Potato agar, cultures on, 213, 214 

 Potato tuber, 46, 47 

 Propagation by roots, 30 

 Propagation, vegetative, 172, 173 

 Protection of plants from animals, 



168 

 Proteids, 24, 26, 27 

 Prothallia, culture of, 216 

 Protonema, culture of, 216 

 Protoplasm, circulation of, 81 

 Prunus, type study, 182, 183 

 Puccinia, type study, 114, 115 



Ranunculacese, type study, 181 

 Reagents, general, 188, 189 

 Reagents, special, 190, 191 

 Rhizopus, type study, 107, 108 

 Ricciocarpus, type study, 118 

 Robinia, type study, 183, 184 

 Root, 28-33 



Roots, physiology of, 34-37 

 Rosa, type study, 181, 182 

 Rosaceae, type study, 181-183 



Sac fungi, field work on, 110 

 Safranin, staining w^itli, 199, 209 

 Safranin and Delafield's hfematoxy- 



lin, staining with, 199, 210 

 Safranin, gentian violet, and orange 



G, staining with, 209 

 Saprolegnia, type study, 108 

 Secondary growth of stem, 43, 44 

 Sectioning in paraffin, 205-207 

 Sectioning free-hand, 204, 205 

 Seed plants, culture of, 216 

 Seeds, dissemination of, 173, 174 

 Selaginella, type study, 146-150 

 Shade leaves, 55 

 Slides for histology of seed plants, 



219 

 Slides for study of plant cell, 217 

 Slides for type studies, 217-219 

 Slime mold, type study, 83, 84 

 Smut, type study, 114 

 Sphgerella, type study, 88 

 Sphagnum, type study, 126 

 Spirogyra, cell structure of, 75-77 

 Spirogyra, zygospore formation, 78, 



79 

 Sporodinia, type study, 108 

 Squash seed, 17, 18 



Staining in bulk, 197-200 

 Staining on the slide, 207-210 

 Starclj, 23-25, iW, 47, 57-59, 63 

 Starch in leaves, 57-59 

 Stem, dicotyledonous, structure of, 



41-44 

 Stem, monocotyledonous, structure 



of, 39, 40 

 Stem, work of, 45-48 

 Storage of food in seeds, 21-27 

 Strawberry fruit, 73 

 Successions among plant>5, 175 

 Sun leaves, 55 

 Supplies, dealers in, 225, 226 



Taraxacum, type study, 186, 187 

 Temperature, effect on absorption of 



water, 34, 35 

 Tolypothrix, type study, 86 

 Tomato fruit, 71 

 Transpiration, 60-63 

 Trillium flower, 64-6<J 

 Tropjeolum leaves, starch in, 67, 58 

 Tropa'olum, study of, 16-17 

 Tulip flower, ij(j, 67 



Ulothrix, type study, 89, 90 

 Ulva, type study, 91 

 Ustilago, type study, 114 



Vaucheria, type study, 94-96 

 Vernation, 50 

 Violacefe, type study, 185 

 Volvox, type study, 88 



Water cultures, 33, 34 



Water, movementjof, in leaves, 68 



Water, percentage of, in j)lant body, 



33 

 Water, rise of, 34, 35, 45, 46, 63 

 Windsor beans, 36, 36 



Xerophytes, 176, 176 



Yeast, culture of, 105, 106 

 Yeast, type study, 106 



Zonation, 177-179 



Zoiispores, formation and habits of, 

 91 



