Plant Qrowth'Suhstances 



INDEX OF PLANTS MENTIONED 



And tested with treatments likely to be of agricultural, 

 horticultural, or instructional importance. 



Acer, 31, 39,40 

 Alfalfa, 42, 48, 49 

 Algae, 45 

 Allium, 80 

 Apple, 30, 52 

 Artichoke, Jerusalem, 28 

 Aspen, 40 

 Azotobacter, 68 



Maple, hard, 40 

 Maple, Japariese, 31 

 Medicago sativa, 42, 48, 49 

 Mimosa pudica, 28 (Also used by 



Bausor, 1939) 

 Myrtus, 44, 52 



Nasturtium, 46 



Barley, 46, 47, 67 

 Betula, 40 

 Bignonia, 41, 44 

 Blackcurrant, 38 

 Blueberry, 38 

 Bougainvillea, 57 



Cactus, 44 



Carica spp., 41 



Carnation, 44 



Cherry, 52 



Chrysanthemum, 44, 45, 56 



Cissus sicyoides, 28, Fig. i 



Citron, 52 



Citrus spp., 66 {See also common 



names) 

 Clover, 42 

 Coffee (arabica), 41 

 Conifers, 30, 39, 45, 52 

 Cupressiis, 30 



Date, 55 (Nixon et al., 1939) 



Elder (?), 55 

 Euglcena, 65 

 Euonymus, 44 



Fig, 38, 52 



Heliotrope, 44 

 Hibiscus, 52 



Holly, American, 31, 54 

 Holly, Japanese, 31 



Kalanchoe, 30, Fig. 3 

 Kudzu, 42, 45 



Larix, 39 

 Lemon, 32 

 Lettuce spp., 46, 81 

 Ligustrum, 52 

 Lilac, 44, 55 

 Lucerne, 42, 48, 49 



Maize, 48 



Oak, 39 

 Oak, red, 56 

 Oats, 49 

 Olive, 52 

 Orange, 52 



Pandanus, 59 

 Papaya (papaw), 41 

 Passiflora spp., 41 

 Pear, 38, 52, 55 

 Pelargonium zonale, 37 

 Perilla, 54 

 Phleum pratense, 42 

 Phy corny ces, 129 

 Pinus, 39 

 Plum, 38 



Pogonia ophioglossides, 60 

 Potato, 54 



Quercus, 39 



Ribes spp., 38, 39 

 Rosaceae, 52 



Salix, 39, 68, 85 

 Sea-kale, 56 

 Sensitive plant, 28 

 Stilt-plant, 59 

 Stravi^berry, 55, 56 

 Sugar-beet, 48 

 Sweet orange, 52 



Taxus cuspidata, 31 



Thuja, 39, 45 



Timothy, 42 



Tomato, 28, 29, 32, 34. 37. 46, 54 



Viburnum carlesii, 37 

 Vine (Vitis vinifera), 52, 53 



Wheat, 46, 47, 48, 63, 64, 66, 80 



Yew, Chinese, 31 



Zea mays, 48 



