INDEX. 315 
Pentapterae, IV, 221 
Pentlandianae, I, 44, 90 
Peote, IV, 59 
Opuntia—con tinued. 
xanthoglochia, I, 130, 131 
xanthostemma, I, 198; IV, 
Opuntia—continued. 
texana, I, 165, 166 
thurberi, I, 52, 53, 54 
Opuntia—continued. 
segethii, I, 75, 76, 79 
seguina, I, 130 
semispinosa, I, 147 tidballii, I, 160 264 Peotillo, IV, 59 
sentlis, I, 86, 159, 176 todari, IV, 265 xanthostemma elegans, I, | Perescia, I, 9 
sericea, I, 134 tomentella, I, 173, 174 198 Pereskia, I, 8-24, 25, 26, 40, 
sericea coerulea, I, 134 tomentosa, I, 173, 174; IV, xanthostemma fulgens, I, 75; 1V, 251, 252, 290 
sericea longispina, I, 134 263 198 acardia, I, 10 
sericea maelenii, I, 134 , tortisperma, I, 131, 132 xanthostemma gracilis, I, aculeata, I, 10, 11, 14; IV, 
serpentina, I, 56, 57, 58, 69, tortispina, I, 126, 128, 131, 198 251 
81; II, 224 194; IV, 260 xanthostemma orbicularis, I, aculeata lanceolata, I, 10 
setispina, I, 45, 137, 138 toumeyi, I, 144; IV, 262 198 aculeata latifolia, I, 10 
shaferi, I, 71, 72 
shreveana, I, 142 
sinclairii, I, 165, 166 
skottsbergii, I, 90, 96, 97 
soederstromiana, I, 149, 154, 
221 
soehrensii, I, 133, 134, 135; 
IV, 261 
spathulata, I, 28, 29 
spathulata aquosa, I, 30 
speciosa, I, 214; IV, 205 
spegazzinii, I, 73, 74 
sphaerica, I, 90, 96; IV, 256 
sphaerocarpa, I, 193, 198, 
199 : 
sphaerocarpa utahensis, I, 
199 
spinalba, I, 130 
spinaurea, I, 214 
spiniflora, I, 215; II, 106 
spinosior, I, 52, 67, 68; IV, 
254 . 
spinosior neomexicana, I, 68 
spinosissima, I, 103, 175, 
202, 204, 205; IV, 264 
spinotecta, I, 64 
spinulifera, I, 178, 181, 182 
spinuliflora, I, 214 
spinulosa, I, 214 
spirocentra, IV, 265 
splendens, I, 199 
squarrcsa, I, 165 
stanlyi, I, 79, 80; IV, 255 
stapelia, I, 66 
stapeliae, I, 65, 66; IV, 254 
stellata, I, 64 
stenarthra, I, 158 
stenochila, I, 126, 132 
stenopetala, I, 200, 201 
stipata, IV, 253 
straminea, I, 214 
streptacantha, I, 181, 184, 
185; IV, 263 
stricta, I, 159, 161, 178, 223 
stricta spinulescens, I, 214 
strigil, I, 136 . 
subarmata, I, 165, 166; IV, 
263 
subferox, I, 175 
subinermis, I, 214 
subterranea, I, 90, 92 
subulata, I, 71, 75, 76, 77; 
79; III, 179; IV, 254 
sulphurea, I, 133, 134, 150; 
IV, 260 
sulphurea laevior, I, 134 
sulphurea major, I, 134 
sulphurea minor, I, 134 
sulphurea pallidior, I, 134 
superbospina, I, 144 
syringacantha, I, 89 
tapona, I, 124, 160, 164 
tarapacana, I, 90, 94 
tardospina, I, 140, 144 
taylori, I, 102, 103 
tenajo, I, 49 
tenuispina, I, 137, 139 
teres, I, 71 
tesajo, I, 47, 48, 49 
tessellata, I, 46 
tessellata cristata, I, 46; IV, 
253 
tessellata denudata, IV, 253 
testudinis-crus, I, 206 
tetracantha, I, 52, 53, 54 
tracyi, I, 102, 105; IV, 257 
treleasei, I, 118, 119 
treleasei kernii, I, 119 
triacantha, I, 110, 112, 113, 
115, 204 
tribuloides, I, 186 
tricolor, I, 165, 166 
trichophora, I, 193, 195 
tuberculata, I, 214 - 
tuberiformis, I, 92 
tuberosa, I, 32, 33 
tuberosa albispina, IV, 252 
tuberosa spinosa, I, 89 
tuna, I, 110, 113, 114, 116 
149, 157, 163; IV, 259, 
262, 263 
tuna humilior, IV, 259 
tuna humilis, I, 114 
tuna laevior, I, 114 
tuna orbiculata, I, 114 
tunicata, I, 60, 65, 66, 83, 
121; IV, 254, 266 
tunicata laevior, I, 66 
tunoidea, I, 116, 162 
tunoides, I, 116 
turgida, IV, 265 
turpinii, I, 89 
turpinii polymorpha, I, 89 
tweediei, I, 134 
umbrella, I, 156 
undosa, I, 177, 179 
undulata, I, 65, 177, 179 
ursina, I, 174, 195, 196, 197; 
IV, 264 
ursus horribilis, IV, 264 
urumbella, I, 157 
utahensis, I, 198 
utkilio, I, 107, 109, 110 
vaginata, I, 47, 48; IV, 253 
valida, I, 147 
vaseyi, I, 140, 142, 145, 146 
velutina, I, 169, 172 
verschaffeltii, I, 44, 71, 72 
verschaffeltii digitalis, I,71,72 
versicolor, I, 44, 52, 54, 60, 
62; IV, 254 
vestita, I, 71, 72, 87; IV, 254 
vexans, I, 64, 65 
vilis, I, 79, 82, 83 
violacea, I, 144 
virgata, I, 47 
viridiflora, I, 52, 55 
vivipara, I, 52 
vulgaris, I, 127, 128, 156, 
157, 163, 177; IV, 259, 262 
vulgaris balearica, I, 161 
vulgaris major, I, 127 
vulgaris media, I, 127 
vulgaris minor, I, 127 
vulgaris nana, I, 127, 129 
vulgaris rafinesquei, I, 127 
vulgo, I, 157 
vulpina, I, 134 
wagneri, I, 74 
weberi, I, 84, 85 
wentiana, I, 110, 116 
wetmorei, IV, 255 
whipplei, I, 31, 43, 52, 55> 
68; IV, 253 
whipplei laevior, I, 55 
whipplei spinosior, I, 68 
wilcoxii, I, 169, 172 
winteriana, I, 166 
wootonii, I, 147, 148 
wrightii, I, 51 
xanthostemma rosea, I, 198 
xerocarpa, I, 198 
youngii, I, 130 
zebrina, I, 149, 155, 222 
zacuapanensis, I, 183 
zuniensis, I, 144 
Opuntiacei, I, 217 
Opuntiae, IV, 252 
Opuntieae, I, 8, 24; IV, 252 
Orbiculatae, I, 45, 176 
Orchids, II, 42 
Oreocereus, II, 2, 60, 108, 
171-173; III, 77; IV, 274 
celsianus, II, 171, 172, 173, 
226; IV, 279 
celsianus bruennowii, II, 171 
lanatus, II, 61 
_ Organito de vibora, II, r11 
Organo, II, 48, 74; IV, 273 
Oroya, III, 77, 102 
peruviana, III, 102 
Pachycereus, II, 2, 28, 68-76, 
96 
calvus, II, 69; IV, 271 
chrysomallus, II, 69, 72, 73, 
74; IV, 271 
columna-trajani, II, 69, 76 
gaumeri, II, 69, 71; IV, 271 
grandis, II, 69, 72 
lepidanthus, II, 69, 76; IV, 
272 
marginatus, II, 69, 74, 75, 
92, 102; IV, 271 
orcuttii, II, 69, 70 
pecten-aboriginum, II, 69, 
70, 71, 72, 76; IV, 271 
pringlei, II, 69, 70; IV, 270, 
271 
queretaroensis, II, 96 
ruficeps, IT, 69, 75 
titan, II, 69; IV, 271 
Palmadora, I, 202 
Palmadorae, I, 45, 201 
Palmatoria, I, 202 
Paradoxae, IV, 221 
Pasacana, II, 133 
Passiflora, II, 92 
Pataquisca, I, 76 
Pediocactus, III, 77, 90, 91, 109 
simpsonii, III, 88, 90, 92; 
IV, 168, 286 
Peirescia, I, 9 
Peireskia, I, 9 
Pelecyphora, IV, 3, 59, 60, 64 
aselliformis, IV, 58, 59 
aselliformis concolor, IV, 59° 
aselliformis cristata, IV, 64 
aselliformis grandiflora, IV, 
59 
aselliformis pectinata, IV, 
64, 65 
aselliformis pectinifera IV, 
6 
4 
fimbriata, IV, 59 
micromerus, IIT, 93 
pectinata, IV, 64, 65 
pectinata cristata, IV, 65 
pectinifera, IV 
Pellote, III, 84, 107 
Penca, IV, 260 
Penca-chica, IV, 260 
Peniccereus, II, 2, 112, 113 
greggii, II, 112; IV, 275 
johnstonii, IV, 275 
Penquilla, IV, 260 
aculeata longispina, I, 10 
aculeata rotunda, I, 10 
aculeata rotundifolia, I, 10 
aculeata rubescens, I, 10 
affinis I, 24 
amapola, I, 14 
amapola argentina, IV, 251 
argentina, I, 14 
autumnalis, I, 9, 11, 12; IV, 
251 
bahiensis, I, 9, 19, 20; IV, 
252 
bleo, I, 4, 9, 17, 18, 20; IV, 
251 
brasiliensis, I, 10 
calandriniaefolia, I, 29, IV, 
252 
colombiana, I, 9, 17 
conzattii, I, 9, 24 
crassicaulis, I, 29 
cruenta, I, 24 
cubensis, I, 9, 22 
foetens, I, 10 
fragrans, I, 10 
galeottiana, IV, 251 
glomerata, I, 94 
godseffiana, I, 10, 11; IV, 251 
grandiflora, I, 24 
grandifolia, I, 9, 18, 19, 20, 
_ 21; IV, 251 ; 
grandispina, I, 24 
guamacho, I, 9, 15, 16; 1V, 
251 
guatemalensis, IV, 251 
haageana, I, 24 
horrida, I, 9, 21, IV, 251 
humboldtii, IV, 251 
lanceolata, I, 10 
longispina, I, 10 
longispina rotundifolia, IV, 
251 
longispina_ rubescens, IV, 
251 
lychnidiflora, I, 9, 12, 13 
moorei, I, 9, 15 
nicoyana, I, 9, 13 
ochnacarpa, I, 19 
opuntiaeflora, I, 26, 27 
panamensis, I, 17, 18 
pereskia, I, 7, 9, 10; IV, 251 
pflanzii, IV, 251 
philippii, I, 41 
pititache, I,-29 
plantaginea, I, 24 
poeppigii, I, 41; IV, 253 
portulacifolia, I, 9, 22, 23, 24 
recurvifolia, IV, 251 
rosea, I, 17 
rotundifolia, I, 27; IV, 251 
sacharosa, I, 9, 10, 14, 15; 
IV, 251 
spathulata, I, 28, 29; IV, 251° 
subulata, I, 75, 76; IV, 175, 
254 
tampicana, I, 9, 17 
undulata, I, 1o 
verticillata, IV, 251 
weberiana, I, 9, 15 
zehntneri, I, 9, 13, 14; IV, 
252 
zinniaeflora, I, 9, 17, 20, 21; 
IV, 251 
Pereskieae, I, 8, 24; IV, 252 
Pereskiopsis, I, 8, 14, 17, 24, 
25-30, 43; IV, 252 
