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 
INDEX. 
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 
205, 206, 207, 211, 216, 237 
acanthion, 98, 120 
acanthodes, 129 
aciculatus, 198 
acifer, 111 
acifer spinosus, III 
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 
acutatus, 188 
acutangulus, 199 
acutispinus, 179 
acutissimus, 97, 98, 99, 103 
acutissimus cristatus, 98 
adversispinus, 121 
agglomeratus, 136, 143 
alamosanus, 137 
albatus, 112 
allardtianus, 114 
alteolens, 218 
amazonicus, 175 
ambiguus, 88 
ancylacanthus, 146 
anfractuosus, 117, 123 
anfractuosus ensiferus, 114 
anfractuosus laevior, 116 
anfractuosus orthogonus, 117 
anfractuosus spinosior, 117 
anisitsii, 159, 161 
apricus, 192 
anfractuosus pentacanthus, 115, 116 ~ 
241 
Echinocactus, 3, 32, 45, 48, 49, 55, 60, 77, 78, 83, 85, 90, 
92, 93, 94, 98, 100, IOI, 104, 108, 109, 118, 123, 
128, 140, 142, 148, 151, 152, 166-181, 186, 187, 
