INDEX. 



2 4 I 



Cereus continued. 



pasacana, 74, 76 



patagonicus, 197 



paucispinus, 10, 14 



pectinatus, 29 



pectinatus armatus, 24 



pectinatus centralis, 149, 150 



pectinatus laevior, 30 



pectinatus rigidissimus, 27 



pectinatus spinosus, 24 



pectiniferus, 29 



pensilis, 8 



pentalophus, 21, 22 



pentalophus leptacanthus, 22 



pentalophus radicans, 21 



pentalophus simplex, 21,22 



pentalophus subarticulatus, 21, 22 



phoeniceus, 14 



phoeniceus inermis, 14 



phoeniceus pacificus, 12 



pleiogonus, 43 



polyacanthus, 11, 15 



poselgerianus, 20 



procumbens, 22 



propinquus, 21,22 



proteiformis, 238 



pulchellus, 33 



recurvus, 142 



reductus, 158, 159 



reichenbachianus, 25 



reichenbachianus castaneus, 25 



rhodacanthus, 79 



rigidissimus, 28 



robustior, 28 



roemeri, 13, 14 



roetteri, 31 



rufispinus, 23 



salm-dyckianus, 7 



salmianus, 7, 74 



sanborgianus, 34 



scheeri, 6 



schelhasii, 66 



sciurus, 22 



scopa, 193 



silvestrii, 48, 49 



stramineus, 40 



subinermis, 16 



tephracanthus, 188 



thurberi, 43 



triglochidiatus, 10 



tubiflorus, 67 



turbinatus, 66 



validissimus, 63 



viridiflorus, 17, 18 



viridiflorus cylindricus, 17 



viridiflorus tubulosus, 17 

 Challote, 84 

 Chamaecereus, 3, 48, 49 



silvestrii, 48 

 Chaute, 81 

 Chilotos, 93 

 Cleistocactus, 60, 78, 79 



rhodacanthus, 79 

 Cob cactus, 37 

 Copiapoa, 77, 85-90, 100 



cinerascens, 85, 88 



cinerea, 85, 86 



coquimbana, 85, 87 



Copiapoa continued. 



echinoides, 85, 88 



marginata, 85, 86 



megarhiza, 85, 89 

 Coryphantha, 3, 45, 148 

 Coryphanthanae, 77, 90, 146, 149 

 Cycad, 108 

 Denmoza, 77, 78, 79 



rhodacantha, 79 

 Devil's head cactus, 182 

 Devil's pincushion, 182 

 Devil's root, 84 

 Discocactus, 216-220 



alteolens, 216, 217, 218 



bahiensis, 217, 220 



besleri, 219 



hartmannii, 217 



heptacanthus, 217, 218 



insignis, 216, 219, 220 



lehmannii, 219 



linkii, 219 



placentiformis, 216, 217, 218, 219 



subnudus, 216, 217 



tricornis, 218 



zehntneri, 217, 218, 220 

 Dumpling cactus, 84 

 Echinocactanae, 3, 77-215 



Echinocactus, 3, 32, 45, 48, 49, 55, 60, 77, 78, 83, 85, 90, 

 92, 93, 94, 98, 100, 101, 104, 108, 109, 118, 123, 

 128, 140, 142, 148, 151, 152, 166-181, 186, 187, 



205, 206, 207, 211, 2l6, 237 



acanthion, 98, 120 



acanthodes, 129 



aciculatus, 198 



acifer, 1 1 1 



acifer spinosus, 1 1 1 



acroacanthus, 120 



acrocanthus, 121 



acuatus, 188 



acuatus arechavaletai, 200 



acuatus corynodes, 198 



acuatus depressus, 198 



acuatus erinaceus, 198 



acuatus sellowii, 188 



acuatus spinosior, 188 



acuatus tetracanthus, 188 



acuta tus, 188 



acutangulus, 199 



acutispinus, 179 



acutissimus, 97, 98, 99, 103 



acutissimus cristatus, 98 



adversispinus, 121 



agglomeratus, 136, 143 



alamosanus, 137 



alba tus, 1 12 



allardtianus, 1 14 



alteolens, 218 



amazonicus, 175 



ambiguus, 88 



ancylacanthus, 146 



anfractuosus, 117, 123 



anf ractuosus ensiferus, 114 



anfractuosus laevior, 116 



anfractuosus orthogonus, 117 



anfractuosus pentacanthus, 115, 116 



anfractuosus spinosior, 1 1 7 



anisitsii, 159, 161 



apricus, 192 



