2 3 8 



THE CACTACEAE. 



Pilocereus — continued. 

 fulviceps, 72, 73 

 fulvispinosus, 50 

 ghiesbrechtii, 60 

 giganteus, 164, 167 

 glaucescens, 59 

 gounellei, 34 

 grandispinus, 87 

 haageanus, 62 

 haagei, 61 

 haworthii, 44 

 hagendorpii, 27 

 hermentianus, 58 

 hoogendorpii, 225 

 hoppenstedtii, 27, 28 

 houlletianus, 53 

 houlletii, 52, 53 

 jubatus, 52 

 kanzleri, 171 

 lanatus, 61, 63 

 lanatus cristatus, 63 

 lanatus haagei, 61, 63 

 lanuginosus, 49 

 lateralis, 27, 28 

 lateribarbatus, 76 

 leucocephalus, 52 

 lutescens, 44 

 macrocephalus, 31 

 macrostibas, 182 

 marschalleckianus, 53 

 melocactus, 29, 30 

 militaris, 73 

 monacanthus, 155 

 moritzianus, 41 

 niger, 44 

 nigricans, 44 

 nobilis, 44 

 pasaeana, 133 

 pentaedrophorus, 3 1 

 pfeifferi, 224 

 plumieri, 47 

 polyedrophorus, 31 

 polygonus, 47 

 polylophus, 32 

 pringlei, 69 

 repandus, 17. 18 

 robinii, 39 

 royenii, 50, 51 

 royenii armatus, 50 

 ruficeps, 75 

 russelianus, 33, 34 

 sargentianus, 177, 178 

 schlumbergeri, 47 

 schottii, 177, 17S 

 scoparius, 41 

 senilis, 27 

 senilis cristatus, 27 

 senilis flavispinus, 27 

 senilis longisetus, 27 

 senilis longispinus, 27 

 setosus, 34, 35 

 sterkmannii, 41 

 straussii, 171, 172, 226 

 strictus, 44, 60 

 strictus consolei, 44 

 strictus fouachianus, 50 

 swartzii, 47 

 terscheckii, 140 



Pilocereus — continued. 



tetetzo, 76 



thurberi, 97 



trichacanthus, 44 



ulei, 52 



urbanianus, 43 



vellozoi, 29 



verheinei, 58 



virens, 43 



williamsii, 172 

 Piptanthocereus, 3, 22 



azureus, 15 



beneckei, 18 



chalybaeus, 16 



forbesii, 7 



hankeanus, 7 



labouretianus, 7 



jamacaru, 8 



jamacaru caesius, 15 



jamacaru cj'aneus, S 



jamacaru glaucus, 8 



validus, 7 

 Piscol Colorado, 62 

 Pitahaya, 96, 98, 122, 165 



agre, 117, 122 



agria, 117, 122 



de San Juan, 122 



dulce, 98, 122 

 Pitahayita, in, 122 

 Pitajaya, 122 

 Pitajuia, 122 

 Pitalla, 122 

 Pitaya, 122 

 Pitayita, 1 n, 122 

 Pithaya, 122 

 Rabo de raposa, 109 

 Rat tail cactus, 218 

 Rathbunia, 2, 159, 169, 170 



alamosensis, 117, 169, 170 



kerberi, 169, 170 



sonorensis, 169 

 Repandae, 4 

 Rhipsalidanae, 1 

 Rhipsalis, 3, 124, 209, 214, 222 



biolleyi, 215 

 Sacamatraca, in 

 Sacasil, 1 1 1 

 Saguaro, 165 

 Sahuaro, 165, 166 

 Saman, 223 

 Saramatraca, 1 1 1 

 Sebucan, 81 

 Selenicereus, 1, 58, 183, 195, 196-210, 221 



boeckmannii, 197, 202 



brevispinus, 197, 201, 202 



coniflorus, 197, 198, 199 



donkelaari, 197, 200 



grandiflorus, 128, 196, 197, 198, 201, 



hamatus, 196, 197, 203, 204 



hondurensis, 197, 199 



inermis. 197, 207, 208, 209 



kunthianus, 197, 201 



macdonaldiae, 196, 197, 202, 203 



maxonii, 198 



miravallensis, 213 



murrillii, 197, 206 



pringlei, 199 



pteranthus, 111, 196, 197, 200 



