INDEX. 



233 



Cereus continued. 



pitajaya, 13, 14, 15, 123 



plagiostoma, 163 



platygonus, n, 156, 157, 159 



plumieri, 191 



polychaetus, 17 



polygonatus, 88 



polygomis, 47 



polylophus, 32, 33 



polymorphus, 138, 139 



polyrhizus, 185 



pomanensis, 155, 158 



pomanensis grossei, 155 



portoricensis, 150 



poselgeri, 1 1 i 



pottsii, 1 12 



princeps, 123 



pringlei, 68, 69, 70 



prismaticus, 123, 212 



prismatiformis, 14 



pruinatus, 21 



pruinosus, 88, 89 



pseudosonorensis, 169 



ptL-ranthus, 200 



pterogonus, 201, 213 



pugionifer, 96 



pugioniferus, 179, 180 



pugioniferus quadrangulispinus, 180 



purpusii, 184 



pycnacanthus 137, 138 



quadrangularis, 124 



quadrangulispinus, 180 



quadricostatus, 81 



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 



rhodanthus, 170 



rhodocephalus, 158 



rhodoleucanthus, 2\, 22 



rigidispinus, 103 



rigidus, 210 



robustus, 2 1 



rogalli, 21 



roridus, 89 



rosaceus, 201 



roseanus, 198 



rostratus, 203, 204, 205 



royeni, 44, 50 



royenii armatus, 40, 51 



royenii floccosus, 5 1 



ruber, 225 



ruferi, 219 



ruf eri major, 2 1 9 



ruficeps, 75 



russelianus, 33 



salpiiigensis, 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, 1 1 8 



serpentinus stellatus, 1 18 



serpentinus strictior, 118 



serratus, 129 



serruliflorus, 151 



setaceus, 211, 212 



setaceus viridior. 21 1 



setiger, 129 



setosus, 34, 35 



simonii, 169 



sirul, 123 



smaragdiflorus, 174, 175 



smithii, 218 



sonorensis, 169 



spachianus, 131, 132 



spathulatus, 21 



speciosissimus, 128, 129 



speciosissimus albiflorus, 128 



speciosissimus aurantiacus, 128 



speciosissimus blindii, 128 



speciosissimus bodii, 128 



speciosissimus bollwillerianus, 128 



speciosissimus bowtrianus, 128 



speciosissimus coccineus, 127, 128 



speciosissimus colmariensis, 128 



speciosissimus curtisii, 128 



speciosissimus danielsii, 128 



speciosissimus devauxii, 128 



speciosissimus edesii, 128 



speciosissimus elegans, 128 



speciosissimus eugenia, 128 



speciosissimus finkii, 128 



speciosissimus gebvillerianus, 128 



speciosissimus gloriosus, 128 



speciosissimus grandiflorus, 128 



speciosissimus guillardieri, 128 



speciosissimus hansii, 128 



speciosissimus hitchensii, 128 



speciosissimus hitchensii hybridus, 128 



speciosissimus hitchensii speciosus, 128 



speciosissimus hoveyi, 128 



speciosissimus ignescens^ 128 



speciosissimus jenkinsonii, 128 



speciosissimus kampmannii, 128 



speciosissimus kiardii, 128 



