154 



INDEX 



Quercus chrysolepis 50, 9S 



coccinea 20, 51, 87 



densiflora 98 



digitata 87 



falcata S7 



garryana 88 



hypoleuca 95 



imbricaria 51, 87 



laurifolia 51, 87 



lyrata 88 



macrocarpa 42, 51, 88 



marilandica 36, 87 



michauxii 20, 51, 88 



minor 88 



muhlenbergii 88 



nigra 51, 87 



palustris 51, 87 



phellos 51, 87 



platanoides 88 



prinus 6, 51, 88 



rubra 20, 51, 87 



stellata 88 



suber 10. 



texana 50, 87 



velutina 51, 87 



virginiana 20, 98 



wislizeni 98 



Quillaja 134 



Ray parenchyma 13, 27, 132 



tracheids 13, 27, 76, 80, 132 



Rays 21, 26-28, 145 



Red alder 97 



ash 94 



birch 103 



cedar 83, 84 



elm 89 



fir 78,80 



gum 105, 129 



hickory 95 



maple 103 



mulberry 90 



oak 87, 141 



pine 27, 34, 76 



spruce 79 



Red-wood 81 



Resin cells 22-23 



cysts 29 



ducts 9, 23, 29-31 



Resinous tracheids 17, 74 



Resonance 62-63 



Reynosia 135 



Rhamnaceae 135, 138, 139, 143 



Rhamnus 138, 141, 143, 144, 145 



Rhizophora 135, 141, 144, 145 



Rhizophoracese 135, 139, 143 



Rhododendron 125, 138, 141, 144, 145 

 Rhus 



7, 66, 135, 138, 141, 143, 144, 145 



Ribes 135 



Ring, growth . . '. 40-43 



-porous woods 16, 40, 42, 86 



"Ripple marks" 39, 146 



River birch 103 



Robinia 10, 19, 35, 40, 44, 45, 51, 64, 

 66, 91, 129, 131, 135, 138, 139, 

 141, 143, 144, 145 



Rock elm 89 



maple 102 



oak 88 



Rosa 133, 134, 138 



Rosacea 36, 128, 129, 133, 134, 135, 

 137, 138, 139, 143 



Rotholz 77 



Rubiaceae 135, 139 



Rutacea 135, 139 



Salicace.e 36, 134, 135, 139, 143 



Salix 7, 15, 20, 25, 45, 47, 52, 64, 108, 

 129, 135, 141, 144, 145 



Sambucus 7, 135, 141, 144, 145 



Sanio's beams 38 



Santalum 68 



Sapindacese 135, 139 



Sapindus 135, 141, 143, 144, 145 



Sapotaceae 135, 139 



Sapwood 6, 44, 64 



Sassafras 24, 26, 27, 44, 51, 64, 68, 69, 



92, 129, 135, 141, 143, 144, 145 



Saxifragaceae 136 



