Echinocereus—continued. 
krausei, 14 
kunzei, 31 
labouretianus, 17 
labouretii, 17 
leeanus, 4, 9, 43 
leeanus multicostatus, 9 
leonensis, 20, 21 
leptacanthus, 22 
liebnerianus, 32 
lloydii, 5, 37 
longisetus, 5, 42 
luteus, 4, 16, 17 
malibranii, 43 
mamillatus, 5, 41, 42 
mamillosus, 43 
maritimus, 4, 15 
merkeri, 5, 35, 36 
mohavensis, 8 
mojavensis, 4, 8 
mojavensis zuniensis, 14 
monacanthus, 10 
multicostatus, 9 
neo-mexicanus, 4, 11, 13 
octacanthus, 4, 13 
orcuttii, 15 
pacificus, 4, 11, 12 
palmeri, 5, 34 
papillosus, 5, 19 
papillosus rubescens, 19 
paucispinus, 10 
paucispinus flavispinus, 10 
paucispinus gonacanthus, 10 
paucispinus hexaedrus, 10 
paucispinus triglochidiatus, 10 
paucupina, 44 
pectinatus, 5, 29, 30 
pectinatus adustus, 24 
pectinatus armatus, 24 
pectinatus caespitosus, 25, 26 
pectinatus candicans, 28 
pectinatus castaneus, 26 
pectinatus centralis, 149 
pectinatus chrysacanthus, 29 
pectinatus cristatus, 30 
pectinatus laevior, 30 
pectinatus rigidissimus, 27, 28 
pectinatus robustior, 28 
pectinatus robustus, 27, 28 
pectinatus rufispinus, 24 
penicilliformis, 44 
pensilis, 4, 8 
pentalophus, 5, 20, 21 
pentlandii, 54 
perbellus, 5, 24, 25 
persolutus, 44 
phoeniceus, 14 
phoeniceus albispinus, 14 
phoeniceus conoideus, 13 
phoeniceus inermis, 14 
phoeniceus longispinus, 14 
phoeniceus rufispinus, 14 
pleiogonus, 9, 43 
polyacanthus, 4, 9, II, 12, 15 
polycephalus, 44 
poselgerianus, 20 
princeps, 44 
procumbens, 22 
INDEX. 249 
Echinocereus—continued. 
procumbens longispinus, 22 ~ 
propinquus, 22 , 
pulchellus, 5, 33 
pulchellus amoenus, 33 
radians, 23 
raphicephalus, 44 
reichenbachianus, 25 
reichenbachii, 5, 25, 27, 28, 31 
rigidispinus, 28 
rigidissimus, 5, 27, 28, 29 
robustior, 28 
roemeri, 13, 14 
roetteri, 5, 31 
rosei, 4 II, 14, 15 
rotatus, 25 
rubescens, 19 
ruengei, 19 
rufispinus, 23 
salm-dyckianus, 4, 6, 7, 8 
salmianus, 7 
sanborgianus, 34 
sanguineus, 44 
sarissophorus, 5, 38 
scheeri, 4, 6, 7, 43 
scheeri major, 6 
scheeri minor, 6 
scheeri nigrispinus, 6 
scheeri robustior, 6 
schlini, 43 
sciurus, 5, 22, 23 
scopulorum, 5, 30, 31 
spinosissimus, 19 
standleyi, 4, 5, 24 
stramineus, 5, 38, 39, 40, 41 
strausianus, 17 
subinermis, 4, 16 
texensis, 19, 25 
thurberi, 43 
thwaitesii, 44 
triglochidiatus, 4, 10 
trockyi, 44 
uehri, 44 
undulatus, 23 
uspenskii, 44 
viridiflorus, 3, 4, 16, 17, 24, 31 
viridiflorus cylindricus, 17 
viridiflorus gracilispinus, 17 
viridiflorus major, 17 
viridiflorus tubulosus, 17 
weinbergii, 5, 29 
Echinofossulocactus, 78, 109-123, 138 
albatus, 110, 112 
anfractuosus, 110, 117 
arrigens, 110, 113, 114 
confusus, 110, 120 
coptonogonus, II0, 121 
coptonogonus major, 110 
cornigerus, 143 
cornigerus angustispinus, 143 
cornigerus elatior, 143 
cornigerus rubrospinus, 143 
crispatus, 110, 116 
dichroacanthus, 110, 117 
echidne, 136 
ensiformis, 114 
gladiatus, 110, 119, 120 
grandicornis, 110, 114 
