98 EXPERIMENTS TN BLUEBERRY CULTURE. 



Page. 



Rose, culture in garden soil and in peat 14, 15-16, 29 



Rosemary, marsh, root fungus, study 49 



Rotting of peat in blueberry culture 34, 52, 56, 60-61, 87-88 



Sand, use in field plantings 88 



pot cultures _. 25, 28, 52, 54, 60-61, 66 



Sandstone, broken pieces, use in soil for repotting heath plants 69-70 



Sandy soil. See Soil, sandy. 



woods. See Woods, sandy. 



San-acenia, insect food for supply of nitrogen 50 . 



Saturation, soil, effect on blueberry growth 35-36 



Schott, Arthur, on shrubs in Smithsonian grounds 11 



Scirpus occidentalis, forming an alkaline peat 32 



Seed flats. See Flats, use for seedlings. 



Seedlings, blueberry, transplanting details 15, 54-57, 59-60, 67, 88 



Seeds, blueberry, description and care 13, 51-54 



germination 14, 51, 53 



Selection, use in improvement of blueberries 80, 82 



Shade, effect on growth of plants 55, 56, 67-68, 70-71, 88 



Shipping, adaptation of the blueberry 13 



Shoots, basal, development 57, 58 



Smithsonian Institution, blueberry bushes in grounds 11 



Soil, acid, poisonous character 45, 50 



preference of blueberry and related plants 15, 17, 19, 26, 28-30, 31-32 



acidity tests 22,26-28 



alkaline, deleterious to blueberry plants 26-31 



phenolphthalein'test, discussion and directions 26-28 



bacteria. See Bacteria. 



blueberry, deleterious to roses and alfalfa 15-17 



calcareous, absence of blueberries and related plants 19 



clay, effect on growth of blueberry 24 



freshly chopped, deleterious to growth of blueberries 87 



garden, not suited to blueberry cultivation 11, 14-17 



Kentucky limestone, absence of blueberry and related plants 19 



limed, unfavorable to the blueberry 19-23 



mixtures used in pot cultures 25, 52, 54, 59-62 



moisture measurement 37-38 



muck, loss of acidity by drainage 35 



neutral, deleterious to blueberry plants 26-31 



noncalcareous, occurrence of blueberry and related plants 19, 30 



peaty, acid, deficiency in available nitrogen •. 45-46 



requirements of the blueberry 11, 14-40 



rich, absence of blueberry and related plants 14-17, 17-19, 30 



sandy, aeration conditions satisfactory for blueberry 36-37 



water-saturated, deleterious to blueberry growth 35-36 



See also Loam. 



Solution, acid and alkaline, effect on growth of blueberry, experiments 28-29 



acidity determination 26-28 



normal, definition 27 



nutrient, acid and alkaline, effect on growth of blueberry 28-29 



Sowing, seed of blueberry, directions 51-52 



Sphagnum moss. See Moss, sphagnum. 



Spider, red, occurrence and control 55, 79-80 



Spores, injurious, found in roots of feeble blueberry plants 64-65 



resting, Asterocystis radicis 65 



Spring beauty, soil not good for blueberry ■ 24 



Stagnation, leaf rudiment 28, 29, 55-56, 60 



Stamens of the blueberry 76-78 



Starch in blueberry twigs, transformation, etc 75. 76 



Starvation, danger to blueberry from lack of nitrates in soil 45-46, 50 



Stations, agricultural experiment, attempts at blueberry culture 11 



Stem growth. See Growth, stem. 



withering at tip, cause and prevention 28, 55-56, 60, 70, 71 



Stigma of the blueberry 77-78 



Stone, broken, use in soil for reporting heath plants 69-70 



Subalpine blueberry. xSee Blueberry, subalpinc 

 Sugar-maple woods. See Woods, sugar-maple. . 



19.S 



