VI 



THE CACTACEAE. 



TEXT-FIGURES continued . 



PAGE. 



Joint of Opuntia vaseyi 146 



Potted plant of Opuntia occidentalis . ... 147 



Joint of Opuntia brunnescens 150 



Fruit of Opuntia brunnescens 150 



Joint of Opuntia galapageia 150 



Flower of Opuntia galapageia 150 



Joint and cluster of spines of Opuntia 



galapageia 151 



Flowering joint of Opuntia delaetiana.. 152 



Joints of Opuntia hanburyana 154 



Joint of Opuntia quitensis 154 



Joint of Opuntia distans 155 



Joint of Opuntia elata 157 



Joints of Opuntia cardiosperma 157 



Joint of Opuntia scheeri 159 



Plant of Opuntia chlorotica 160 



Joints of Opuntia chlorotica 160 



Plant of Opuntia dillenii 162 



Joint of Opuntia tapona 164 



Potted plant of Opuntia littoralis 164 



Joints of Opuntia cantabrigiensis 167 



Part of joint and cluster of spines of 



Opuntia procumbens 167 



Joint of Opuntia Canada 167 



Joint of Opuntia pyriformis 168 



Joint of Opuntia durangensis 169 



Plant of Opuntia macdougaliana 1 70 



Potted plant of Opuntia macdougaliana . 171 



Joint of Opuntia wilcoxii 172 



Plant of Opuntia tomentosa 173 



Joint of Opuntia tomentella 174 



Potted plant of Opuntia leucotricha 175 



Joints of Opuntia orbiculata 176 



Potted plant of Opuntia pilifera 177 



Plants of Opuntia ficus-indica 178 



Fruit of Opuntia ficus-indica 178 



Plant of Opuntia crassa 179 



Potted plant of Opuntia maxima 180 



Joint of Opuntia spinulifera 182 



Joint of Opuntia lasiacantha 183 



Joint of Opuntia zacuapanensis 183 



Joint of Opuntia hyptiacantha 183 



Joint of Opuntia streptacantha 184 



Potted plant of Opuntia megacantha. ... 185 



Plants of Opuntia megacantha 186 



Joint of Opuntia megacantha 186 



Joint of Opuntia deamii 187 



Joint of Opuntia eichlamii 188 



Joint of Opuntia inaequilateralis 188 



Joint of Opuntia pittieri 189 



Joint of Opuntia cordobensis 189 



Fruit of Opuntia cordobensis 189 



Joint of Opuntia quimilo 1 90 



Fruit of Opuntia quimilo 190 



Joint and flowers of Opuntia quimilo. ... 191 



Plant of Opuntia robusta 192 



Plant of Opuntia fragilis 194 



Joints of Opuntia arenaria 195 



Joint of Opuntia trichophora 195 



Plant of Opuntia erinacea 196 



Joint of Opuntia juniperina 197 



Seed of Opuntia juniperina 197 



Joint of Optmtia hystricina 197 



Joint of Opuntia sphaerocarpa 198 



Joints of Opuntia polyacantha 199 



Joint of Opuntia stenopetala 200 



Upper part of joint and flower of Opuntia 



stenopetala 201 



