Passion flower, 150 
Pelargonium, 79, 144, 152 
Pellionia, 144 
Peperomia, 144 
Pereskia, 82 
Peristrophe, 130 
Periwinkle, 134 
Persian violet, 74 
Petunia, 79 
Philodendron, 101 
Phoenix, 109 
Phyllocactus, 82 
Phylloteenium, 101 
Pilea, 144 
Pleroma, 133 
Poinsettia = Euphorbia. 
Polygala, 133 
Primrose, 133 
Primula, 74, 133 
Pteris, 120 
Ptycosperma, IIo 
R 
Rex begonia, 138 
Rhapis, 111 
Richardia. 
Rivina, 154 
Rochea, 85 
Rose, 65 
Rose geranium, 144 
Royal palm, 110 
Rubber-tree, 142 
Ruellia, 145 
See Calla. 
Sago-palm, 115 
Sanchesia, 145 
INDEX 
Sanseviera, 92 
Saxifraga, 134 
Scarborough lily. See Vallota. 
Scilla, 92 
Screw-pine, 112 
Sedum, 86 
Sempervivum, 86 
Sensitive plant, 143 
Shield fern, 118 
Silk oak, 142 
Silver wattle. 
Smilax, 151 
Solanum, I51, 154 
Sonerila, 145 
Sparmannia, 134 
Spider lily, 91 
Spirea, 156 
Spleenwort, 119 
Spurge, 128 
Stenandrium, 145 
Stevia, 134 
Stigmaphyllum, 151 
Stocks, 77 
Streptocarpus, 134 
Streptosolon, 131 
Strobilanthus, 145 
Sweet alyssum, 123 
Sweet bay, 143 
Sword fern, 120 
See Acacia. 
Thrinax, III 
Thunbergia, 151 
Tillandsia, 104 
Torenia, 152 
Tradescantia, 152 
Tropzolum, 153 
Trumpet flower, 126 
Tuberous begonia, 69 
163 
