254 THE CACTACEAE. 
Melocactus—continued. | Melocactus—continued. 
croceus, 230, 231 leucaster, 238 
curvispinus, 221, 229, 237 limis, 222 
cylindricus, 223 linkii, 230, 231 
delessertianus, 221, 229, 237 linkii trispinus, 231 
depressus, 176, 235 lobelii, 238 
dichroacanthus, 224, 230 lutescens, 223 
dilatatus, 223 macracanthoides, 230, 231 
eburneus, 223 macracanthus, 222, 224, 226 
elegans, 72 macrocanthus, 230 
elongatus, 223 mamillariaeformis, 221 
ernesti, 227 martialis, 223 
euryacanthus, 223 maxonii, 227, 228 
eustachianus, 230, 231 melocactoides, 235 
evertszianus, 222 melocactus, 224 
excavatus, 237 meonacanthus, 224, 225 
exsertus, 223, 224 microcarpus, 223 
extensus, 223 microcephalus, 222, 224 
ferox, 178, 221, 222, 238 microcephalus olivascens, 223 
ferus, 223 miquelii, 230, 231 
firmus, 223 monvilleanus, 237 
flammeus, 223 nanus, 222 
flavispinus, 223 negryi, 236 
flexilis, 223 neryi, 236 
flexus, 222 nigro-tomentosus, 238 
fluminensis, 238 obliquus, 222 
gardenerianus, 235 obovatus, 223 
gilliesii, 75 obtusipetalus, 221, 232 
gilvispinus, 223 obtusipetalus crassicostatus, 232 
gilvispinus planispinus, 223 octogonus, 238 
gladiatus, 119, 120 oreas, 227 
goniacanthus, 235 orthacanthus, 138 
goniodacanthus, 235 ovatus, 223 
gracilis, 223 parthoni, 235 
grandis, 223 parvispinus, 222, 224, 237 
grandispinus, 223 patens, 222, 224 
grengelii, 230 pentacanthus, 223 
griseus, 221, 233 pentacentrus, 235 
grollianus, 223, 224 peruvianus, 234 
guatemalensis, 227 pinguis, 223 
harlowii, 232 pinguis areolosus, 223 
havannensis, 221, 230, 232 pinguis laticostatus, 223 
hexacanthus, 222 pinguis planispinus, 223 
hispaniolicus, 226 pinguis tenuissimus, 223 
hookeri, 230 placentiformis, 219 
hookerianus, 238 platyacanthus, 172 
humilis, 233, 234 poliacanthus, 198, 199 
hystrix, 237 portoricensis, 230, 231 
incurvus, 222 pulvinosus, 223 
inflatus, 223 pusillus, 222, 224, 225 
ingens, 169 pyramidalis, 222, 224 
intermedius, 222 pyramidalis carneus, 222 
intermedius laticostatus, 223 pyramidalis compressus, 223 
intermedius rotundatus, 223 pyramidalis costis-angustioribus, 223 
intermedius tenuispinus, 223 pyramidalis pumilus, 223 
intortus, 230, 231 radiatus, 223 
intricatus, 206 radiatus contortus, 223 
inversus, 223 retiusculus, 222 
koolwijckianus, 222 retiusculus angusticostatus, 222 
koolwijkianus adustus, 222 recurvus, 141, 143 
laciniatus, 182 repens, 238 
lamarckii, 224 reticulatus, 223 
langsdorfii, 199 reversus, 222 
latispinus, 143 roseus, 222 
lehmanni, 221, 222, 224 rotatus, 223 
lemarii, 226 rotifer, 223 
leopoldii, 238 rotifer angustior, 223 
leucacanthus, 223 rotula, 224 
