IN'DEX 



XIII 



Mortis alba 514 



Morus celtidifolia 514 



Morus rubra 513 



Neowashingtoniana filamentosa . . 693 



Nyssa aquatica 337 



Nyssa biflora 340 



Nyssa ogeche 337, 339 



Nyssa sylvatica 337 



Ocotea catesbyana 657 



Olneya tesota 568 



Opuntia fulgida. 694 



Opuntia sponsior 694 



Opuntia versicolor 694 



Oreodoxa regia 692 



Osmanthus americanus 700 



Ostrya knowltoni 598 



Ostrya virginiana 595 



Oxydendron arboreum 507 



Persea borbonia 531 



Persea pubescens 532 



Picea breweriana 136 



Picea canadensis 130 



Picea engelmanni 135 



Picea mariana 129 



Picea parryana 136 



Picea rubens 127 



Picea sitchensis 133 



Pinus albicaulis 19, 37 



Pinus aristata 19, 38, 43 



. Pinus arizonica 43, 705 



Pinus attenuata 704 



.Pinus balfouriana 19, 38 



Pinus cembroides 19, 33 



. Pinus chihuahuana 43, 76 



. Pinus clausa 43, 46 



Pinus contorta 43., V3 



Pinus coulteri 43, 68 



Pinus divaricata 43, 69 



Pinus echinata 43, 49 



Pinus edulis 19, 28 



. Pinus flexilis 19, 703 



Pinus glabra 43, 51 



Pinus heterophylla 43, 45 



. Pinus jefferi 75 



, Pinus lambertiana 19, 25, 31 



. Pinus monophylla 19, 701 



Pinus monticola 19, 25 



Pinus muricata 43, 69 



Pinus palustris 43 



Pinus ponderosa 43, 67 



Pinus pungens 43, 52 



. Pinus quadrifolia 19, 704 



. Pinus radiata 43, 69 



Pinus resinosa 43, 61 



Pinus rigida 43, 63 



Pinus sabiniana 43, 75 



Pinus serotina 43, 57 



Pinus strobifonnis 19, 27 



Pinus strobus 19, 25 



. Pinus taeda 43, 55 



. Pinus torreyana 43, 64 



, Pinus virginiana 43, 57 



Planera aquatica 397 



Platanus occidentals 607 



Plat anus racemosa. 609 



Platanus wrightii 610 



Populus acuminata 667, 670 



Populus alba. 682 



Populus angustifolia. 667, 669 



Populus baisamifera 667, 673 



Populus baisamifera candicans . . . 673 



Populus deltoides '. 667 



Populus fremontii 667, 670 



Populus grandidentata 667, 675 



Populus neterophylla. 667, 669 



Populus mexicana 667, 669 



Populus nigra 681 



Populus nigra italica 682 



Populus tremuloides 667, 676 



Populus trichocarpa 667, 669 



Populus wislizeni 667, 669 



Parkinsonia aculeata 549 



Parkinsonia microphy lla 549 



Prosopis juliflora. 559 



Prosopis juliflora gland ulosa 562 



Prosopis juliflora velutina 562 



Prosopis odorata 562 



Prunus allegheniensis 622 



Prunus americana 621 



Prunus angustifolia 622 



Prunus caroliniana 620 



Prunus demissa 616 



Prunus emarginata 616 



Prunus hortulana 622 



Prunus ilicifolia .- 616 



Prunus nigra 621 



Prunus pennsylvanica 619 



Prunus salicifolia 620 



Prunus serotina 613 



Prunus sphaerocarpa 620 



Prunus subcordata 621 



Prunus umbellata 621 



Prunus virginiana 615 



Pseudophoenix sargentii 692 



Pseudotsuga macrocarpa 172 



Pseudotsuga taxi folia 169 



Ptelea trifoliata 699 



Pyrus americana. 454 



Pyrus microcarpa 454 



Quercus acuminata 247 



Quercus agrifolia 307 



Quercus alba. 205 



Quercus al vordiana 220 



Quercus arizonica 205, 218 



Quercus brevifolia 285 



Quercus breviloba, 208 



Quercus breweri 205, 220 



Quercus californica 285 



lercus catesbaei 259, 283 



iuercus chapmani 208 



juercus chrysolepis 308 



iuercus chrysolepis palmcri 301 



juercus chrysolepib vaccini folia. . 809 



iuercus coccinea . . 277 



iuercus densiflora 313 



iuercus digitata 259, 289 



