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INDEX. 



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Cereus — continued, 



pitajaya, 13, 14, 15, 123 



plagiostoma, 163 



platygonus, 11, 156, 157, 159 

 plumieri, 191 



polychaetus, 17 



polygonatus, 88 



polygonus, 47 



polylophus, 32, 2>^ 



polymorphus, 138, 139 



polyrhizus, 185 



pomanensis, 155, 158 



pomanensis grossei, 155 



portoricensis, 150 



poselgeri, iii 



pottsii, 112 



princeps, 123 



pringlei, 68, 69, 70 



prismaticus, 123, 212 



prismatiformis, 14 



pruinatus, 21 



pruinosus, 88, 89 



pseudosonorensis, 169 



pteranthus, 200 



pterogonus, 201, 213 



pugionifer, 96 



pugioniferus, 179, 180 



pugioniferus quadrangulispinus, 180 



purpusii, 184 



pycnacanthus 137, 138 



quadrangularis, 124 



quadrangulispinus, 180 



quadricostatus, 8i 



queretaroensis, 96, 97 



quintero, 139 



quisco, 137 : - 



radicans, 195 



ramosus, 123 



reflexus, 43 



regalis, 20 



regelii, 155 



repandus, 4, 17, 18, 151, 152, 224 



repandus laetevirens, 149 



reptans, 58, 195 



resupinatus, 87 



retroflexus, 43 



F 



rhodanthus, 170 

 rhodocephalus, 158 

 rhodoleucanthus, 21, 22 

 rigidispinus, 103 

 rigidus, 210 

 robustus, 21 

 rogalli, 21 



roridus, 89 ^ 



rosaceus, 201 

 roseanus, 198 

 rostratus, 203, 204, 205 



royeni, 44, 50 

 royenii armatus, 40, 51 

 royenii floccosus, 51 

 ruber, 225 

 ruferi, 219 

 ruferi major, 219 

 ruficeps, 75 

 russelianus, 2>3 



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salpingensis, 21 

 santiaguensis, 131 



Cereus — continued, 



sargentianus, 177, 178 

 saxicola, 21, 22 

 saxicola anguiniformis, 22 

 scandens minor, 197 

 schenckii, 180 



schickendantzii, 144 

 schmidtii, 197 

 schoenemannii, 21 

 schomburgkii, 191 

 schottii, 177, 178 

 schottii australis, 177 

 schrankii, 127 



schumannii, 103 

 sclerocarpus, 146, 147 

 scoparius, 41 

 seidelii, 15 

 senilis, 27 

 sepium, 160 

 serpens, 163 



serpentinus, 20, 117, 118, 119 

 serpentinus albispinus, 59, 118 

 serpentinus splendens, 21, 118 

 serpentinus stellatus, 118 

 serpentinus strictior, 118 

 serratus, 129 



serruliflorus, 151 

 setaceus, 211, 212 

 setaceus viridior, 211 

 setiger, 129 

 setosus, 34, 35 

 simonii, 169 

 sirul, 123 



smaragdiflorus, 174, 175 

 smithii, 218 

 sonorensis, 169 

 spachianus, 131, 132 

 spathulatus, 2 1 

 speciosissimus, 128, 129 

 speciosissimus albiflorus, 128 

 speciosissimus aurantiacus, 128 

 speciosissimus blindii, 128 

 speciosissimus bodii, 128 

 speciosissimus bollwilleriamis, 128 

 speciosissimus bowtrianus, 128 

 speciosissimus coccineus, 127, 128 



speciosissimus colmariensis, 128 

 speciosissimus curtisii, 128 

 speciosissimus daniclsii, 128 



speciosissimus devauxii, 128 

 speciosissimus edesii, 128 

 speciosissimus elegans, 128 

 speciosissimus eugenia, 128 

 speciosissimus finkii, 128 

 speciosissimus gebvillcrianus, 128 

 speciosissimus gloriosus, 128 

 speciosissimus grandiflorus, 12S 

 speciosissimus guillardieri, 128 

 speciosissimus hansii, 128 



speciosissimus hitchcnsii, 128 

 speciosissimus hitchcnsii hybridus, 128 

 speciosissimus hitchensii speciosus, 128 

 speciosissimus hoveyi, 128 

 speciosissimus ignescens, 128 

 speciosissimus jenkinsonii, 128 

 speciosissimus kampmannii, 128 

 speciosissimus kiardii, 128 



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