inde;x. 



315 



Opuntia — continued. 

 segethii. I. 75, 76, 79 

 seguina. I, 130 

 semispinosa, I, 147 

 senilis. I, 86, 159, 176 

 sericea. I, 134 

 sericea coerulea, I, 134 

 sericea longispina, I, 134 

 sericea maelenii, I, 134 

 serpentina, I, 56, 57, 58, 69, 



81; ir, 224 

 setispina, I, 45, 137, 138 

 shaferi, I, 71, 72 

 shreveana, I, 142 

 sinclairii, I, 165. 166 

 skottsbergii, I, 90, 96, 97 

 soederstromiana, I, 149, 154, 



221 

 soehrensii, I, 133, 134, 135; 



IV. 261 

 spathulata, I, 28, 29 

 spathulata aquosa. I, 30 

 speciosa, I. 214; IV, 205 

 spegazzinii, I, 73, 74 

 sphaerica, I, 90, 96; IV. 256 

 sphaerocarpa, I, 193, 198. 



199 

 sphaerocarpa utahensis, I, 



199 

 spinalba, I, 130 

 spinaurea, I, 214 

 spiniflora, I, 215; II, 106 

 spinosior, I, 52, 67, 68; IV, 



254 

 spinosior neomexicana, I, 68 

 spinosissima, I, 103. 175, 



202, 204, 205; IV, 264 

 spinotecta, I. 64 

 spinulifera, I, 178, 181, 182 

 spinulitlora. I, 214 

 spinulosa. I, 214 

 spirocentra, IV, 265 

 splendens, I, 199 

 squarrosa, I, 165 

 stanlyi, I, 79. 80; IV, 255 

 stapelia, I, 66 



stapeliae, I, 65, 66; IV, 254 

 stellata. I, 64 

 stenarthra, I, 158 

 stenochila, I, 126, 132 

 stenopetala, I, 200, 201 

 stipata, IV, 253 

 straminea, I, 214 

 streptacantha, I, 181, 184, 



185; IV. 263 

 striata, I, 159. 161, 178. 223 

 striata spinulescens, I, 214 

 strigil, I, 136 

 subarmata, I, 165, 166; IV, 



263 

 subferox, I, 175 

 subinermis, I, 214 

 subterranea, I, 90, 92 

 subulata, I, 71, 75, 76, 77, 



79; III. 179; IV, 254 

 sulphurea, I, 133, 134, 150; 



IV, 260 

 sulphurea laevior, I, 134 

 sulphurea major, I, 134 

 sulphurea minor, I. 134 

 sulphurea pallidior, I, 134 

 superbospina, I, 144 

 syringacantha, I, 89 

 tapona, I, 124, 160, 164 

 tarapacana, I, 90. 94 

 tardospina. I, 140, 141 

 taylori. I, 102, 103 

 tenajo, I. 49 

 tenuispina, I, 137, 139 

 teres, I, 71 

 tesajo, I, 47' 48. 49 

 tessellata, I, 46 

 tessellata cristata, I, 46; IV, 



253 

 tessellata denudata, IV. 253 

 testudinis-crus, I, 206 

 tetracantha, I, 52, 53, 54 



Opuntia — coniiyiued. 

 texana, I. 165, 166 

 thurberi, I. 52. 53, 54 

 tidballii, I, 160 

 todari. IV, 265 

 tomentella, I, 173, 174 

 tomentosa. I. 173, 174; IV, 



263 

 tortisperma, I, 131, 132 

 tortispina, I, 126, 128, 131, 



194; IV, 260 

 toumeyi, I, 144; IV, 262 

 tracyi, I, 102, 105; IV, 257 

 treleasei, I, 118, 119 

 treleasei kernii, I, 119 

 triacantha, I, no, 112, 113, 



115. 204 

 tribuloides, I, 186 

 tricolor, I, 165, 166 

 trichophora, I, 193, 195 

 tuberculata, I. 214 

 tuberiformis, I, 92 

 tuberosa, I, 32, 33 

 tuberosa albispina. IV, 252 

 tuberosa spinosa, I, 89 

 tuna, I, no, 113, 114. 116 



149. 157. 163; IV. 259. 



262, 263 

 tuna humilior, IV, 259 

 tuna humilis, I, 114 

 tuna laevior, I, 114 

 tuna orbiculata, I, 114 

 tunicata, I. 60, 65, 66, 83, 



121; IV, 254. 266 

 tunicata laevior, I, 66 

 tunoidea, I, 116, 162 

 tunoides, I, 1 16 

 turgida, IV, 265 

 turpinii, I, 89 

 turpinii polymorpha, I, 89 

 tweediei, I. 134 

 umbrella, I, 156 

 undosa, I, 177, 179 

 undulata, I, 65, 177, 179 

 ursina, I, 174, 195, 196, 197; 



IV. 264 

 ursus horribilis, IV, 264 

 urumbella, I, 157 

 utahensis, I. 198 

 utkilio, I, 107, 109, no 

 vaginata, I, 47, 48; IV, 253 

 valida. I, 147 



vaseyi. I, 140, 142, 145, 146 

 velutina, I. 169. 172 

 verschaffeltii, I, 44, 71, 72 

 verschaffeltii digitalis, 1,71,72 

 versicolor, I, 44, 52, 54, 60, 



62; IV, 254 

 vestita, I, 71, 72, 87; IV, 254 

 vexans, I, 64. 65 

 vilis, I, 79, 82, 83 

 violacea, I, 144 

 virgata, I, 47 

 viridiflora, I, 52, 55 

 vivipara, I, 52 

 vulgaris, I, 127, 128, 156, 



157. 163. 177; IV. 259. 262 

 vulgaris balearica, I, 161 

 vulgaris naajor. I, 127 

 vulgaris media, I, 127 

 vulgaris minor. I, 127 

 vulgaris nana, I, 127, 129 

 vulgaris ratinesquei. I, 127 

 vulgo. I, 157 

 vulpina, I, 134 

 wagneri. I, 74 

 weberi. I, 84, 85 

 wentiana, I, no, 116 

 wetmorei, IV, 255 

 whipplei. I, 31, 43, 52, 55, 



68; IV, 253 

 whipplei laevior, I, 55 

 whipplei spinosior, I, 68 

 wilcoxii, I, 169, 172 

 winteriana, I, 166 

 wootonii, I, 147, 148 

 wrightii, I, 51 



Opuntia — continued. 



xanthoglochia. I, 130, 131 

 xanthostemma, I, 198; IV, 



264 



xanthostemma elegans, I, 

 198 



xanthostemma fulgens, I, 

 198 



xanthostemma gracilis, I, 

 198 



xanthostemma orbicularis, I, 

 198 



xanthostemma rosea, I, 198 



xerocarpa, I, 198 



youngii, I, 130 



zebrina, I, 149, 155, 222 



zacuapanensis, I, 183 



zuniensis, I, 144 

 Opuntiacei. I, 217 

 Opuntiae, IV, 252 

 Opuntieae, I, 8, 24; IV. 252 

 Orbiculatae, I, 45, 176 

 Orchids, II, 42 



Oreocereus, II, 2, 60, 108, 

 171-173; III. 77; IV, 274 



celsianus. II, 171, 172. 173. 

 226; IV, 279 



celsianus bruennowii. II. 171 



lanatus. II, 61 

 Organito de vibora, II, iii 

 Organo, II. 48, 74; IV, 273 

 Oroya, III, 77, 102 



peruviana. Ill, 102 

 Pachycereus, II, '2, 28, 68-76, 

 96 



calvus. II, 69; IV. 271 



chrysomallus, II. 69, 72. 73. 

 74; IV, 271 



columna-trajani, II, 69, 76 



gaumeri, II, 69, 71; IV, 271 



grandis, II, 69, 72 



lepidanthus, II, 69, 76; IV, 

 272 



marginatus, II, 69, 74, 75, 

 92, 102; IV, 271 



orcuttii. II, 69. 70 



pecten-aboriginum. II. 69, 

 70, 71. 72, 76; IV, 271 



pringlei, II, 69. 70; IV, 270, 

 271 



queretaroensis, II, 96 



ruficeps, II, 69, 75 



titan, II, 69; IV, 271 

 Palmadora. I. 202 

 Palmadorae. I. 45. 201 

 Palmatoria, I. 202 

 Paradoxae, IV. 221 

 Pasacana, II, 133 

 Passiflora, II. 92 

 Pataquisca. I, 76 

 Pediocactus, III, 77, 90, 91, X09 



simpsonii. III, 88, 90. 92; 

 IV. 168, 286 

 Peirescia, I, 9 

 Peireskia, I, 9 

 Pelecyphora, IV, 3, 59. 60, 64 



aselUformis. IV, 58, 59 



aselliformis concolor, IV. 59 



aselUformis cristata, IV, 64 



aselliformis grandiflora, IV, 

 59 



aselliformis pectinata, IV, 

 64. 65 



aselliformis pectinifera IV, 

 64 _ 



fimbriata, IV, 59 



micromerus. Ill, 93 



pectinata. IV. 64, 65 



pectinata cristata. IV, 65 



pectinifera, IV 

 Pellote. Ill, 84. 107 

 Penca. IV. 260 

 Penca-chica. IV, 260 

 Peniccereus, II. 2. 112. 113 



greggii. II, 112; IV, 275 



johnstonii, IV, 27s 

 Penquilla. IV, 260 



Pentapterae, IV. 221 



Pentlandianae, I. 44. 90 



Peote, IV, 59 



Peotillo, IV, 59 



Perescia, I, 9 



Pereskia, I, 8-24. 25, 26, 40, 

 75; IV, 251, 252, 290 

 acardia, I, 10 

 aculeata, I, 10, n, 14; IV, 



251 

 aculeata lanceolata, I, 10 

 aculeata latifolia, I, 10 

 aculeata longispina. I, 10 

 aculeata rotunda. I. 10 

 aculeata rotundifolia. I, 10 

 aculeata rubescens. I. 10 

 affinis, I, 24 

 amapola, I, 14 

 amapola argentina, IV, 251 

 argentina, I. 14 

 autumnalis. I. c 



251 



2; IV, 

 o; IV, 



bahiensis, I, 9, 11 



252 

 bleo, I, 4, 9, 17, 18, 20; IV, 



251. 

 brasiliensis. I. 10 

 calandriniaefolia, I, 29, IV, 



252 

 colombiana, I, 9, 17 

 conzattii. I. 9, 24 

 crassicaulis. I, 29 

 cruenta. I. 24 

 cubensis, I, 9, 22 

 foetens, I, 10 

 fragrans, I, 10 



galeottiana, IV, 251 ^— - 



glomerata. I. 94 J 



godseffiana, I. 10, 11; IV, 251 

 grandiflora, I, 24 

 grandifolia, I, 9, 18, 19, 20, 



21; IV, 251 

 grandispina, I, 24 

 guamacho, I, 9, 15, 16; IV, 



251 

 guatemalensis. IV, 251 

 haageana, I. 24 

 horrida. I. 9. 21. IV. 251 

 humboldtii. IV. 251 

 lanceolata, I, 10 

 longispina. I, 10 

 longispina rotundifolia, IV, 



251 

 longispina rubescens, IV, 



251 

 lychnidiflora, I, 9, 12, 13 

 moorei, I, 9, 15 

 nicoyana, I, 9, 13 

 ochnacarpa, I. 19 

 opuntiaeflora. I, 26. 27 

 panamensis, I, 17, 18 

 pereskia, I, 7, 9, 10; IV, 251 

 pflanzii, IV, 251 

 philippii, I, 41 

 pititache, I, 29 

 plantaginea, I, 24 

 poeppigii, I, 41; IV, 253 

 portulacifolia, I, 9, 22, 23, 24 

 recurvifolia, IV, 251 

 rosea. I, 17 



rotundifolia, I, 27; IV, 251 

 sacharosa, I, 9. 10, 14, 15; 



IV, 251 

 spathulata, I, 28. 29; IV. 251 

 subulata, I, 75, 76; IV, 175, 



254 

 tampicana. I, 9. 17 

 undulata. I. 10 

 verticillata, IV. 251 

 weberiana. I, 9. 15 

 zehntneri, I, 9, 13. 14; IV. 



252 

 zinniaeflora. I, q, 17, 20, -'i- 



IV, 251 

 Pereskieae, I, 8, 24; IV, 252 

 Pereskiopsis, I, 8. 14, 17, 24, 



25-30, 43; IV, 252 



