

Pyxidanthera 155 

 Pyxie 155 



Quassia family 113 

 Quercus 66 

 Quince, 93 

 Quince, Japanese 93 

 Quinine 170 



Ramblers 101 

 Ranunculaceae 73 

 Raspberry 88, 99 

 Red cedar 54 

 Red haw 95 

 'Redbud 104 

 Redwood 51 

 Retinispora 53 

 Retinospora 52, 53 

 Rhamnaceae 129 

 Rhamnus 130 

 Rhododendron 146 

 Rhodora 146, 147 

 Rhodotypos 97 

 Rhus 7, 117, 118 

 Kibes 85 

 Hobinia 108 

 Kockrose family 137 

 Rosa TOO 

 Rosaceae 88 

 Rose 100 

 Hose acacia 108 

 Hose mallow 135 

 Rose of Sharon 135 

 Rosemary, Bog 149 

 Howan tree 92 

 Hubiaceae 170 

 Hubus 99 



INDEX. 



Rue family u r 

 Running myrtle 9, 



165 



Russian olive 140 

 Rutaceae in 



Saint Andrew's 



cross 137 



Saint John's wort 137 

 Salicaceae 55 

 Salix 57 

 Salt cedar 137 

 Salt tree no 

 Sambucus 171 

 Sand myrtle 148 

 Sapindaceae 128 

 Sapindus 129 

 Sapodilla family 156 

 Sapotaceae 156 

 Sassafras 80 

 Savin 54 

 Saxifragaceae 81 

 Saxifrage family 81 

 Schizanthus 167 

 Schizophragma 83 

 Schmaltzia 117 

 Sciadopitys 50 

 Scrophulariaceae 168 

 Sea buckthorn 140 

 Securinega 115 

 Sedum 81 

 Seed plants 44 

 Selaginella 43 

 Selaginellaceae 43 

 Senna, Bladder 109 

 Sequoia 51 

 Serviceberry 94 



Shadbush 94 

 Shagbark 61 

 Shepherdia 139 

 Shinleaf 145 

 Sibbaldia 98 

 Silene 72 

 Silk vine 65 

 Silver bell 157 

 Simarubaeeae 113 

 Skimmia 112 

 Smilax 55 

 Smoke tree 118 

 Snapdragon 168 

 Snowball 174 

 Snowberry 174 

 Snowwreath 90 

 Soapberry 120 

 Solanaceae 167 

 Solanum 168 

 Sophora 105 

 Sorbaria 90 

 Sorbus 92 

 Sour gum 142 

 Soursop 79 

 Sourwood 151 

 Speedwell 168 

 Spermatophyta 44 

 Spicebush 80 

 Spindle tree 120 

 Spiraea 9, 09 

 Spruce 46 



Spruce, Hemlock 46 

 Spurge family 114 

 Stachyuraceae 138 

 Stachyurus 138 

 Staggerbush 150 

 Staphylea 123 



