Open as a single document - Arnoldia - Harvard University

P
Cumulative Index 15
— reptans (35) 28, 29
Poliothyrsis sinensis (54) [3] 32, 33–34; (55) [4] 13, 14
Pollen history (58) [2] 4–6, 7, 23
Pollination (60) [1] 13–19
— drop (50) [2] front cover, 2–7
— self (36) 131
“Pollination Drop Time at the Arnold Arboretum,” Tokushiro Takaso (50) [2] 2–7
Pollutants, air (30) 34, 40–44; (33) 39; (35) 134, 148, 149, 215, 217, 218
Pollution, and forests (58) [2] 28–29, 36–40
— — — of environment (30) 33–55; (45) [1] 15–18;
— — — laws (30) 35–36
— — — urban (30) 33
Polyalthia cheliensis (48) [2] 3
Polygala chamaebuxus (37) 105
— — var. grandiflora (37) 105
— — var. purpurea (37) 105
— senega (55) [2] 25
Polygonaceae (57) [3] 13
Polygonatum biflorum (35) 29; (39) 264
— commutatum (35) 29; (44) [4] 51
— multiflorum (35) 30
Polygonum (31) 17
— aviculare (34) 216
— cuspidatum (34) 166; (52) [4] 23; (57) [3] 13
— lapathifolium (34) 168, 169
— persicaria (34) 168, 169
— punctatum (34) 168, 169
— tinctorium (31) 18
Polymerase chain reaction (59) [1] 68–69
Polymnia sonchifolia (50) [4] 12
Polyploidy (33) 137
Polystichum acrostichoides (55) [3] 6
— commune (52) [3] 10
Pomegranate (31) 226
— dwarf (36) 1, 4, 19
Pometia tomentosa (48) [2] 7
Pompions (31) 210
Poncirus trifoliata (55) [2] 28
— ‘Flying Dragon’ (43) [1] 11
Ponds, early spring (32) [3] inside back cover
Pondweed (43) [2] 3–4, 7–8
Pontederia (43) [2] 8
— cordata (43) [2] 15, 17
— epihydrus (43) [2] 7
Pool, Stephen Decatur, drawings by (48) [4] 43, 44
Pope, Alexander (31) 156
Poplar (31) 219, 243; (52); [2] 30, 31; (57) [1] 24; [3] 24
— collections (30) 84
— Bolleana (54) [1] 31
— Carolina (45) [4] 22; (48) [3] 29
— fastigiate white (54) [1] 31
— Lombardy (31) 243; (32) 80, 81, 92; (34) 230; (45) [4] 22, 25; (49) [2] 19, 21; (54) [1] front cover, inside back cover; 18,
19, 20, 24–31, 25, 26, 27, 29; [3] 19; (57) [2] 2–3, 9
— Virginia (36) 121
— white (32) 72, 80
— yellow (49) [4] 17
Poplars, hurricane damage to trees [1985] (46) [1] 34
Poppy (31) 192
— alpine (55) [1] 2, 6
— black (31) 192
— celandine (31) 178
— field (31) 192
— French (31) 192
— Iceland (35) 21
— opium (31) 192
— oriental (31) 134, 229; (35) 18–21, 19
— prickly (31) 229