234 



THE; CACTACEAE. 



Opuntia continued. 

 riparia, 149 

 robusta, 182, 191, 192 

 robusta viridior, 191 

 rosea, 17, 63, 65, 78 

 roseana, 130 

 rosiflora, 78 

 rotundifolia, 27 

 roxburghiana, 156 

 rubescens, 163, 202, 208, 209 

 rubiflora, 133, 146 

 rubrifolia, 144 

 rufescens, 175 

 rufida, 1 1 8, 119, 122 

 rugosa, 145 

 russellii, 90, 94 

 ruthei, 64 

 rutila, 196 

 sabinii, 194 

 sacharosa, 14, 

 salicornioides, 215 

 salmiana, 73 74 

 salmii, 214 

 sanguinocula, 131 

 santa-rita, 140, 142 

 scheeri, 159, 176 

 schickendantzii, 74, 107 

 schomburgkii, 214 

 schottii, 79, 80, 8 1 

 schottii greggii, 80 

 schumannii, 90, 149, 155 

 schweriniana, 199, 200 

 segethii, 75, 76, 79 

 seguina, 130 

 semispinosa, 147 

 senilis, 86, 159, 176 

 sericea, 134 

 sericea coerulea, 134 

 sericea longispina, 134 

 sericea maelenii, 134 

 serpentina, 56, 57, 58, 69, Si 

 setispina, 45, 137, 138 

 shaferi, 71, 72 

 shreveana, 142 

 sinclairii, 165, 166 

 skottsbergii, 90, 96, 97 

 soederstromiana, 149, 154, 221 

 soehrensii, 13.5. 134, 135 

 spathulata, 28, 29 

 spathulata aquosa, 30 

 speciosa, 214 

 spegazzinii, 73, 74 

 sphaerica, 90, 96 

 sphaerocarpa, 193, 198, 199 

 sphaerocarpa utahensis, 199 

 spinalba, 130 

 spinaurea, 214 

 spiniflora, 215 

 spinosior, 52, 67, 68 

 spinosior neomexicana, 68 

 spinosissima, 103, 175, 202, 204, 205 

 spinotecta, 64 

 spinulifera, 178, 181, 182 

 spinuliflora, 214 

 spinulosa, 214 

 splendens, 199 

 squarrosa, 165 

 stanlyi, 79, 80 



Opuntia continued. 

 stapelia, 66 

 stapeliae, 65, 66 

 stellata, 64 

 stenarthra, 158 

 stenochila, 126, 132 

 stenopetala, 200, 201 

 straminea, 214 

 streptacantha, 181, 184, 185 

 stricta, 159, 161, 178, 223 

 stricta spinulescens, 214 

 strigil, 136 

 subarmata, 165, 166 

 subferox, 175 

 subinermis, 214 

 subterranea, 90, 92 

 subulata, 71, 75, 76, 77, 79 

 sulphurea, 133, 134, 150 

 sulphurea laevior, 134 

 sulphurea major, 134 

 sulphurea minor, 134 

 sulphurea pallidior, 134 

 superbospina, 144 

 syringacautha, 89 

 tapona, 124, 160, 164 

 tarapacana, 90, 94 

 tardospina, 140, 141 

 taylori, 102, 103 

 tenajo, 49 



tenuispina, 137, 139 

 teres, 71 



tesajo, 47, 48, 49 

 tessellata, 46 

 tessellata cristata, 46 

 testudinis-crus, 206 

 tetracantha, 52, 53, 54 

 texana, 165, 166 

 thurberi, 52, 53, 54 

 tidballii, 160 

 tomentella, 173, 174 

 tomentosa, 173, 174 

 tortisperma, 131, 132 

 tortispina, 126, 128, 131, 194 

 toumeyi, 144 

 tracyi, 102, 105 

 treleasei, 118, 119 

 treleasei kernii, 119 

 triacantha, no, 112, 113, 115, 204 

 tribuloides, 186 

 tricolor, 165, 166 

 trichophora, 193, 195 

 tuberculata, 214 

 tuberiformis, 92 

 tuberosa, 32, 33 

 tuberosa spinosa, 89 

 tuna, no, 113, 114, 116, 149, 157, 163 

 tuna humilis, 1 14 

 tuna laevior, 1 14 

 tuna orbiculata, 1 14 

 tunicata, 60, 65, 66, 83, 121 

 tunicata laevior, 66 

 tunoidea, 116, 162 

 tunoides, 116 

 turpinii, 89 



turpinii polymorpha, 89 

 tweediei, 134 

 umbrella, 156 

 undosa, 177, 179 



