INDElX. 



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Opuntia — continued, 



opuntia, 43, 126, 127, 128, 217 



orbiculata, 176 



orbiculata metternichii, 176 



ottonis, 214, 215 



ovallei, 95, 214 



ovata, 90, 95» 96 



ovoides, 95 



pachona, 184 



pachyarthra flava, 214 



pachyclada rosea, 214 



pachyclada spaethiana, 214 



pachypus. 75» 77 



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pallida, 60, 65, 

 palmadora, 202 

 palmeri, 161 

 pampeana, 134 

 papyracantha, 89, 90 

 Paraguay ensis, 158 

 parishii, 57, 79, 81, 82 

 parkeri, 58 

 parmentieri, 95 

 parote, 214 

 parryi, 56, 57,58, 81 

 parva, 161 

 parvispkia, 117 

 parvula, 178 



pascoensis, 100, loi 

 patagonica, 41 

 pelaguensis, 90 

 penicilligera, 135 

 pennellii, no, 115, 219 

 pentlandii, 71, 72, 77i 90, 97» 98 

 perrita, 65, 66 



pes-corvi, 104 



pestifer, 102, 103, 217, 218, 220 

 phaeacantha, 139, 140, 142, 144 

 phaeacantha brunnea, 144 

 phaeacantha major, 144 



phaeacantha nigricans, 144 



philippii, 41 

 phyllacantha, 96 



phyllanthus, 215 

 piccolomini, 214 

 piccolominiana, 191 

 piUfera, 176, 177* 184 

 pintadera, 176 

 pititache, 29 

 pittieri, 181, 188, 189 

 platyacantha, 33, 89 

 platyacantha deflexispina, 89, 90 

 platyacantha gracilior, 89 

 platyacantha monvillei, 89 

 platyclada, 214 

 platynoda, 109 

 plumbea, 126, 131 

 pliunosa nivea, 89, 90 



poeppigii, 4o» 4i 



pollardii, 126, 221 



polyacantha, i93> i95» ^96, i97» ^99 



polyacantha albispina, 199 



polyacantha borealis, 199 

 polyacantha microspemia, 200 

 polyacantha rufispina, 200 

 polyacantha trichophora, 195 

 polyacantha platy carpa, 1 99 

 polyacantha watsonii, 199 



polyantha, 113, ii4» 1^5 



200 



Opuntia — continued. 

 polymorpha, 89 

 porteri, 28 

 pottsii, 137, 138 

 praecox, 214 

 prate, 191 



procumbens, 160, 167 

 prolifera, 61, 67, 69, 70 

 prostrata, 128 

 prostrata spinosior, 214 

 protracta, 214 

 protracta elongata, 214 



pruinosa, 191 

 pseudococcinellifer, 153 



pseudotuna, 184, 214 

 pseudotuna elongata, 214 

 pseudotuna spinosior, 214 

 puberula, 116, 117, 121, 122 

 pubescens, 100, loi, 173 

 pulchella, 79, 82 

 pulverata, 214 

 pulveruleuta, 78 

 pulverulenta miquelii, 78 



pulvinata, 120 

 pumila, 100, loi 

 purpurea, 97 

 pusilla, 102, 105, 106 

 pycnantha, 118, 123 

 pycnantha margaritana, 123 



pyriformis, 160, 168 

 pyrocarpa, 166 

 pyrrhacantha, 97 

 quimilo, 181, 190, 191 

 quipa, 125 



quitensis, 149, i54* 224 

 rafinesquei, 127, 128, 129 

 rafinesquei arkansana, 127, 129 



rafinesquei cymochila, 1 3 1 

 rafinesquei cymochila montana, 131 

 rafinesquei fusiformis, 130 

 rafinesquei grandiflora, 129 



rafinesquei greenei, 132 

 rafinesquei macrorhiza, 131 



rafinesquei microsperma, 127, 199 



rafinesquei minor, 127, 128 



rafinesquei parva, 128 

 rafinesquei stenochila, 132 



rafinesquei vaseyi, 146 

 rafinesquiana, 127, 129 

 rafinesquiana arkansana, 129 



rahmeri, 94 

 ramosissima, 46, 48, 52 



ramulifera, 47 

 rastrera, 140, 149 

 rauppiana, 90, 92 



recedens, 128 

 recondita, 52, 53 

 recurvospina, 144 



reflexa, 165 



repens, 102, 103, 104, 115, 116 



reptans, 214 

 retrorsa, 107, 109, 218 

 retrospinosa, 95 



rhodantha, I93» i97i 198 

 rhodantha brevispina, 198 



rhodantha flavispina, 198 

 rhodantha pisciformis, 198 

 rhodantha schumanniana, 198 



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