TIIR CACTACIvAH. 



VII 



TEXT-FIGURES 



Fig. 23 1 . 

 232. 



233- 

 234' 

 235- 



236. 

 237- 

 238. 

 239- 

 240. 

 241. 

 242. 



243. 

 244- 

 245. 

 246. 

 247- 

 248. 



249. 

 250. 

 251- 

 252. 



253- 

 254- 



255- 

 256. 



257- 

 258. 

 259- 



262. 



263. 



264. 

 265. 

 266. 



267. 



Clump of plants of Borzicactus morley- 



anus 161 



Plant of Borzicactus decumbens 162 



Flower of Borzicactus decumbens 102 



1 'la n 1 1 if Carnegiea gigantea [65 



Fruit of Carnegiea gigantea 166 



Plants of Binghamia melanostele 167 



Plants of Binghamia aerantha 167 



Fruit of Binghamia melanostele 168 



Flower of Binghamia aerantha 168 



Fruit of Binghamia aerantha 168 



Flower of Rathbunia alamosensis 169 



Flower, cut open, of Rathbunia alamo- 

 sensis 1 69 



Plant of Arrojadoa penicillata 171 



Plants of Oreocereus celsianus 172 



Potted plant of Oreocereus celsianus. . . 172 



Flower of Oreocereus celsianus 172 



Fruit of Oreocereus celsianus 172 



Potted plant of Cleistocactus smarag- 



diflorus 174 



Plant of Zehntnerella squamulosa 176 



Flower of Zehntnerella squamulosa 177 



Plants of Lophocereus schottii 178 



Cross-section of stem of Lophocereus 



schottii 179 



Flower of Lophocereus schottii 179 



Section of rib of Myrtillocactus geo- 



metrizans with fruit at areoles 179 



Flower of Myrtillocactus geometrizans. . 179 

 Flower and fruits of Myrtillocactus 



eichlamii 181 



Plant of Neoraimondia macrostibas 1 8 1 



Flower of Neoraimcndia macrostibas. . 181 

 Cluster of spines of Neoraimondia ma- 

 crostibas 182 



Potted plant of Neoraimondia macro- 

 stibas 182 



Tip of joint of Hylocereus guatema- 



lensis 184 



Ovary of Hylocereus eostaricensis, trans- 

 formed into a branch 186 



Plant of Hylocereus undatus 187 



Hedge of Hylocereus undatus 188 



Part of branch of Hylocereus cubensis.. 188 



Stigma-lobes of Hylocereus lemairei. ... 189 

 Flowering branch of Hylocereus sten- 



opterus 1 90 



Plant of Hylocereus trigonus 192 



I'l... 269. 

 270. 

 271. 

 272. 



-'73- 

 274- 

 275- 



276, 

 277- 



278. 

 279. 



280, 

 281. 

 282. 

 283. 

 284, 



287. 



289. 

 290. 



292. 

 293. 

 294. 

 295 



296. 



297. 

 298. 

 299. 

 300. 

 301. 

 302. 

 303. 

 304. 



PAGE. 



J ciint of ll\ locereus triangularis 193 



Plant of Hylocereus antiguensis 194 



Joint of Hylocereus calcaratus 194 



Flowering branch of Wilmattea minu- 



tillora [96 



Joint of Selenicereus coniflorus 108 



Fruit of Selenicereus coniflorus [98 



Tip of branch of Selenicereus hondiircn- 



sis 199 



Part of branch of Selenicereus donke- 



laarii 200 



Part of branch of Selenicereus kunthi- 



anus 201 



Tip of branch of Selenicereus brevispinus. 202 

 Tip of branch of Selenicereus macdon- 



aldiae 202 



Flower of Selenicereus macdonaldiae. . . 203 



Fruit of Selenicereus macdonaldiae. . . . 203 



Flower of Selenicereus hamatus 204 



Part of branch of Selenicereus hamatus. 204 



Flower of Selenicereus vagans 205 



a and b, branches of Selenicereus vagans. 206 



cand d, branches of Selenicereus murrillii. 206 

 Top of branch of Selenicereus spinu- 



losus 207 



Top of branch of Selenicereus inermis . . . 208 



Branches of Selenicereus wercklei 208 



Flowering plant of Selenicereus wercklei. 209 



Plant of Mediocactus coccineus 211 



Fruiting branch, cross-section, and 



spines of Mediocactus coccineus. ... 211 



Plant of Mediocactus megalanthus. ... 213 



Plant of Deamia testudo 213 



Branches of Deamia testudo 214 



Fruiting branch of Weberocereus pana- 



mensis 215 



Flowering plant of Werekleocereus ton- 



duzii 217 



Flower of Aporoeactusleptophis 218 



Flower of Aporocactus flagriformis 218 



Parts of plant of Aporocactus conzattii. 220 



Flower of Aporocactus conzattii 221 



Flower of Aporocactus martianus 221 



Parts of plant of Strophocactus wittii. . 222 



Plant of Cereus grenadensis 223 



Section of flowering branch of Cereus 



grenadensis 223 



Flower of Selenicereus vagans (without 



legend) 239 



