Index


Pearl millet, 6
Pears, 122
 introduction of, 9
Peas, Chick, 51
Perennial clover, see Cow grass
Perennial Ray grass, 51
Perottet, Samuel, 29
Perrine, Henry, 20
 death of, 22-23
 introduction of Agave americana
 (century plant), 21
 report, 22
 work with plants, 22
Perry, Commodore, 79
Persian barley, 19
Persimmons
 Diospyros kaki, 79
 Indian, 92
 Japanese, 79
Phylloxera-resistant grapes, 132
Piedmont rice, 18
Pineapple, 92
 Piper, C. V., 127
Plant distribution, 98, 101, 111, 116
Plant introduction
 ancient, 3, 4
 by Meyer, 122
 colonial, 4, 5, 6
 diplomatic assistance, 35
 importance of, 1
 in eighteenth century, 7
 Japanese, 36, 37
 old world, (see footnote 1), 1
Plant spoilage, 32
Plums, 106
 introduction of, 9
Pomegranate, seedless, 53
Pomology,
 Division of, 105, 107, 111
Popenoe, Wilson, 131
Poplar, Lombardy, 10
Poppy, Opium, 76
Potatoes
 disease-resistant, 139
 Irish, 1, 90, 94, 133
 Irish introduction from South America,
 35
 special varieties, 36
Practical Sugar Planter, The, (see foot-
 note 4), 31
Proso, grain similar to millet, 114
Prunes, 132
Pruning machinery, 85
Pruyn, Robert H., 75
Publications
 Agricultural Museum, 19


 American Agriculturist, 48
 American Farmer, 19, 28
 Genessee Farmer, 20, 45
 Niles Register, 45
 Ohio Cultivator, 51
 Practical Sugar Planter, The, (see foot-
 note 4), 31
 Southern Cultivator, 26, 48
 Treasury Circular of 1819, 26
 Treasury Circular of 1827, 27
 Treasury Department Circular, (In-
 dex), 141
Pumpkins, 87
Pyrethrum, 92

Queensland nut, 106
Quince, 90
Quinine, 80

Raisins, 113
Ramie, 60, 61, 71, 107
 Boehmeria nivea, 72
Rankin, H. A., 130
Rape, 51
 March, 119
Raspberry, red, 9
Red clover, 6, 51
Reddick, Donald, 133
Redmond, D., 48
Reforestation, 95
Refineries, sugar beet, 89
Research and Marketing Act, 137, 139
Rhenish grape, 14
Rhodes grass, 128
Rhubarb, 14
 Turkish, 90
Rice, 6, 14, 74, 126-27
 Honduras or South Carolina, 118
 Kiushu, 118
 Patna, 127
 Piedmont, 18
 wild, 127
Rich, William, 29
Rixford, G. P., 103
Robbins, George, 9
Roezl, Benito, 72
Rolfe, John, 5
Rolfs, P. H., 131, 132
Rotenone, source of, 136
Royal Gardens at Kew, London, 11, 64
Rubber, 22, 132
Rue, goat's, 119
Rushes, Japanese, 134
Rusk, Jeremiah M., 70, 74, 83, 97, 98, 99
Russell, Paul, 133