136 



Index. 



CoL-iis, 72, 8g, 116 



Convolvulus, 84 



Copper sulphate, influence of, upon 



germination, 35, 36 

 Corn (see Zea), 15, 16, 28, 34, 40, 



41, 72, 86, 87, 106. 

 Correlation, 36, 37, 112-134 

 Corrosive action of roots, 84 

 Courses of experiments, 5-8 

 Crocus, 46 

 Cucurlita (see Squash), 23, 25, 26, 



37, 43, 44, 76 

 Cuscuta (see Dodder), g6. 

 Cyprifedium, no, in 

 Cytase, 107 

 Dahlia, 58 

 Dandelion (see Taraxacum), 23, 



36, 55 



Daucus Carota, 129 



Diastase, action of, 105, 106 



Digestion, 100, in 



Elder (see Sambucus), 5-5 



Entada scandens (see West Indian 

 filbert), 127 



Epinasty, 36 



Erodium, 62 



Erythronium, 26 



Ether, influence of, upon germina- 

 tion, 34, 35 



Fag-US (see Beech), 65, 96 



Fermentation, loo-iii 



Fern, growth of, 23, 24 



Fibrovascular bundles, 16, 17 



Food elements, 83 



Freezing, effects of, 29, 30 



Fritillaria, 40, 124 



Gases and liquids, exchange and 

 movement of, 47-81 



Geotropism, 121, 122 



Geranium, 58, 114, J30 



Germinating dishes, 28, 29, 30 

 Germination, reproduction and, 38- 



46 

 Girdling, effects of, 77, 78, 79 

 Gladiolus, 24 

 Glands, 109, no, in 

 Grape (see Vitis), 58, 80 

 Growth, 9-37 



awakening, 27, 28 



force exerted in, 26 



in length, 17-21 



in thickness, 21-23 



of cells, 27 



of fruits, 26 



of leaves, 23, 24 



of peduncles and scapes, 24 



of petioles, 24, 25 



of roots, 24, 25 

 Guttation, 72, 73 

 Helianthus (see Sunflower), g, 23, 



55, 56, 58, 64, 75, 114, 116 

 Hemlock (see Tsuga), 98 

 Hemp, 103 



Hop (see Humulus), 109, no 

 Horse chestnut (s,e.Q ^-Esculus), 109, 



no 

 Humulus lupulus (see Hop), 109, 



no 

 Hyacinthtis , 40 



Hydrogen, generation of, 31-33 

 Hydrotropism, 122 

 Hygrometer, 74, 75 

 Hygroscopic movements, 63 

 Hyponasty, 36 

 Imbibition pressure, 62, 63 

 Impatiens, 75, 96 

 Ipomea (see Sweet potato), 45 

 Iris, 24, 68, 75 

 Kleinia, 46 

 Lathyrus, 40, 124 



