INDEX 



153 



Pignut hickory 95 



Pin oak 87 



Pinckneya 135, 143 



Pine 74, 127 



Pink oak 88 



Piiion pine 75 



Pmus 2, 10, 23, 25, 27, 28, 31, 33, 67, 

 68, 69, 79, 127 



albicaulis 52, 74 



aristata 51, 75 



australis 77 



balfouriana 51, 75 



caribaea 77 



cembroides 75 



contorta 76 



cubensis 77 



densiflora 76 



echinata 17, 51, 77 



edulis 17, 51, 26, 75 



flexilis 52, 74 



heterophylla 45, 51, 77 



lambertiana 17, 52, 75 



laricio 76 



mitis 77 



monophylla 51, 75 



monticola 17, 52, 65, 75 



murrayana 17, 38, 52, 76 



palustris 



7, 17, 44, 48, 51, 53, 55, 69, 77 



ponderosa 17, 30, 31, 51, 76 



quadrif olia 75 



resinosa 17, 27, 34, 51, 76 



strobiformis 74 



strobus 17, 25, 45, 52, 65, 75 



sylvestris 76 



tseda 17, 45, 48, 51, 55, 77 



virginiana 17 



Pith 5,7-8, 127 



flecks 36-37 



rays 21-27, 145 



Pits 15,31-35, 131 



Planera 135, 138, 141, 144, 145 



Plant food 130 



Platanacea 129, 139, 143 



Platanus 



10, 26, 66, 129, 134, 141, 144, 145 



occidentalis 20, 47, 51, 100 



racemosa 100 



wrightii 100 



Polygonaceae 135, 139, 143 



Poplar 106, 109, 129 



Popple 108 



Populus 2, 7, 15, 25, 45, 47, 64, 67, 

 129, 135, 141, 144, 145 



deltoides 20, 108 



grandidentata 20, 52, 108 



heterophylla 20, 52, 108 



tremuloides 52, 108 



trichocarpa 20, 52, 108 



Pores : 15 



Porous woods 85 



Port Orford cedar 86 



Post oak 88 



Primary tissues 11, 137 



rays 23 



Procambium 11 



Procumbent ray cells 24 



Prosenchyma 131 



Prosopis 15, 51, 64, 65, 91, 129, 135, 

 141, 142, 143, 144, 145 



Protoderm 11 



Protoxylem 11, 137 



Prunus 30, 47, 51, 102, 128, 129, 135 



138, 141, 144, 145 



Pseudotsuga 7, 16, 17, 23, 25, 27, 29 



31, 36, 48, 51, 77, 78, 127 



Ptelea. .135, 141, 142, 143, 144, 145 



"Punk" ash 93 



Pumpkin ash 94 



Pyrus 51, 104, 138, 141, 144, 145 



Qtjercus 2, 7, 10, 14, 15, 21, 25, 40, 

 47, 48, 50, 67, 68, 129, 135, 139, 

 141, 142, 143, 144, 145 



acuminata 88 



agrifolia 50, 98 



alba 20, 45, 47, 51, 88 



bicolor 88 



calif ornica 87 



