CEREUS 



75 



CEREUS 



aethiops (coerulescens ; C. caerules- 



cens Cy) 

 alacriportanus 



alamosensis Rathbunia alamosensis 

 amecamensis 



Heliocereus amecamensis 

 atropurpureus . Harrisia tortuosa 

 azureus 



baumanni . Cleistocactus baumanni 

 baxaniensis 



Acanthocereus pentagonus 

 bonplandi Cy . Harrisia bonplandi 

 caerulescens Cy . Cereus aethiops 

 calcaratus . Hylocereus calcaratus 

 candicans Cy 



Trichocereus candicans 



The name C. candicans is often misap- 

 plied to Echinocereus rigidissimus. 



chiotilla .... Escontria chiotilla 

 coccineus . Heliocereus speciosus 

 coerulescens . . Cereus aethiops 

 colubrinus . Monvillea cavendishi 

 costaricensis 



Hylocereus costaricensis 

 donkelaari Selenicereus donkelaari 

 dumortieri 



Lemaireocereus dumortieri 



eburneus L. ebumeus 



emoryi . . Bergerocactus emoryi 

 eriophorus . . Harrisia eriophora 

 eruca . . . Machaerocereus eruca 

 euphorbioides 



Cephalocereus euphorbioides 

 flagelliformis 



Aporocactus flagelliformis 



forbesi Cereus validus 



gemmatus 



Myrtillocactus geometrizans 

 geometrizans . . M. geometrizans 

 giganteus . . Camegiea gigantea 

 gracilis .... Harrisia gracilis 

 grandiflorus 



Selenicereus grandiflorus 

 greggi . . . Peniocereus greggi 

 gummosus 



Machaerocereus gummosus 

 hamatus . . Selenicereus hamatus 

 hankeanus Cy . . . Cereus validus 

 hildmannianus 

 irradians Selenicereus boeckmanni 



CEREUS, continued 



jamacaru Mandacaru 



lamprochloriis Cy 



Trichocereus lamprochlorus 

 lemairei . . Hylocereus lemairei 

 macdonaldiae 



Selenicereus macdonaldiae 

 macrogonus Cy 



Trichocereus macrogonus 

 mammillatus 



Echinocereus mammillatus 

 marginatus , • 



Pachycereus marginatus 

 martianus Cy 



Aporocactus martianus 

 martini Cy . . . Harrisia martini 

 nickelsi Cephalocereus polylophus 

 nycticallus Selenicereus pteranthus 

 obtusangulus 



Epiphyllanthus obtusangulus 

 ocamponis . Hylocereus ocamponis 

 olfersi Cephalocereus euphorbioides 

 pecten-aborigin um 



Pachycereus pectenaboriginum 

 pentagonus 



Acanthocereus pentagonus 

 peruvianus 



pringlei . . Pachycereus pringlei 

 repandus 



The plant in cultivation under this name 

 is Harrisia gracilis. The true Cereus 

 repandus of botanists is not in the trade. 



rostratus . Selenicereus hamatus 

 serpentinus 



Nyctocereus serpentinus 

 setaceus . Mediocactus coccineus 

 spachianus Cy 



Trichocereus spachianus 

 speciosus . Heliocereus speciosus 

 spinulosus Selenicereus spinulosus 

 stellatus . . Trichocereus stellatus 

 stenopterus Hylocereus stenopterus 

 thelegonus Trichocereus thelegonus 

 thurberi . Lemaireocereus thurberi 

 tortuosus . . . Harrisia tortuosa 

 triangularis Hylocereus triangularis 

 tuberosus . . Wilcoxia poselgeri 

 validus (forbesi; C. hankeanus Cy) 

 weberi Lemaireocereus weberi 



Cereus 



NiGHTBLOOMiNG C. . . Hylocereus 



Small CAPiTALS=approved common names. Abbreviations: (Ag) (Ar) (Cy) (t) see page 1. 



