350 



INDEX 



Minerals in soil-water, 104 



Mint, 203 



Moisture absorbed by plants, 58 



and germination, 69 



expelled by leaves, 60 

 Morning-glory, 144, 152 

 Mulch, 272 



carpet or hay, 117 



dust, 117 



for trees, 154 



straw, 129 



sugar experiment, 118 

 "Mummied" fruits, 228, 281 

 Muriate of Potash, 125 

 Mushrooms, 192, 246 

 Muskmelons, 43, 192 



Narcissus, 146, 147, 171, 175 

 Nasturtium, 144, 152 

 Nature-study in garden, 323 

 Nitrate of soda, 125, 231, 259 

 Nitrogen, 91, 92 

 Nodules on pea roots, 100 



on legumes, 101 

 Number plants per acre, table, 



169 

 Nurseries, 36 

 Nut trees, 154 



Oaks, 154 



Oat smut, 127 



Objects of school gardens, 6 



Oil in seeds, 77 



Okra, 192 



Onions, 192, 268 



for fairs, 302 



harvest, 238 



sets, 271 

 Opinions of teachers, 9, 10 

 Osmosis, 61 

 Oxalis, 170 



Packing and germination, 69 

 Palm, 174 



Pansies, 152, 226, 262 

 Paris green, 233, 259, 287 

 Parsley, 194, 243, 273 

 Parsnips, 194 

 Peach borer, 278, 279 

 Peaches, tree, 138, 277, 320 



Peanuts, 258 

 Peas, 100, 194, 228 

 Pennyroyal, 203 

 Pensteman, 146 

 Peony, 146 

 Peppermint, 203 

 Peppers, 195 

 Perennials, 146, 242, 268 

 Permanent occupation, 23 

 Petunia, 144, 152 

 Philadelphia circular, 17 

 Phlox, 144, 146, 152 

 Phosphoric acid, 93, 125 

 making, 94 

 testing for, 95 

 Phosphorus, 94 

 Pick, 43 

 Pink, 144, 146 

 Pits, stratifying, 245 

 Planning the garden, 27 

 Plans of school grounds, 28, 29, 



30, 31, 32, 33, 37 

 Plant, diseases, 282, 283 



food retained in soils, 103 



holders, 174 



lice, 259 

 Planting, 336 



depth, 71 



distances (table), 169 



of flowers (table), 152 



thick or thin, 128 

 Plants, absorbing moisture, 58 



for hotbeds, 52, 53 



for shade, 148 



how get out of ground, 69 



overfeeding, 61 

 Plants in Relation to Soil, Light 



and Air, chapter on, 58 

 Plot Experiments, chapter on, 124 

 Plow, 46 

 Plowing, depth of, 99 



early, 226 



tracts, 14 

 Plums, 320 

 Pollination, 80 



by hand, 83 



by insects, 81 



by wind, 81 



of corn, 82 

 Poppy, 81, 144, 146, 152 

 Portulaea, 144 



