XIV 



ILLUSTRATIONS 



PAPAGO FRUIT CACTUS (Opuntia Blakeana) 

 DELICATE PRICKLY PEAR (Opuntia delicata) 

 WHIPPLE'S CHOLLA (Opuntia tVhipplei) 

 PURPLE PRICKLY PEAR (Opuntia santa rita) . 

 SMOOTH PRICKLY PEAR (Opuntia laevis) 

 FOOTHILL PRICKLY PEAR (Opuntia Toumeyi) 

 DISCUS PRICKLY PEAR (Opuntia discata) 

 ENGELMANN'S PRICKLY PEAR (Opuntia Engelmannii) 



BEAVER TAIL (Opuntia basilaris) 



FLAPJACK PRICKLY PEAR (Opuntia chlorotica) . 

 PORCUPINE PRICKLY PEAR (Opuntia hystricina) . 

 TEDDY BEAR CACTUS (Opuntia Bigelovii) . 

 GOLDEN PRICKLY PEAR (Opuntia Covillei) . 

 PORCUPINE PRICKLY PEAR (Opuntia hystricina) 

 LONG SPINED PRICKLY PEAR (Opuntia macrocentra) 

 GIANT CACTUS OR SAHUARO (Cereus giganteus) . 

 MEXICAN NIGHT BLOOMING CEREUS; SERPENT 

 CACTUS; REINA DE NOCHE (Cereus serpentinus) 

 DESERT CHRISTMAS CACTUS; TASAJILLO (Opuntia 



leptocaulis) 



PROLIFIC TREE CHOLLA (Opuntia arbuscula) 

 MANY COLORED TREE CHOLLA (Opuntia 'versicolor) . 

 POPULAR CHOLLA (Opuntia tetracantha) .... 

 THORNBER'S CHOLLA (Opuntia Thornberi) . 

 MANY COLORED TREE CHOLLA (Opuntia versicolor) 

 JUMPING CHOLLA (Opuntia fulgida) .... 

 CURSED CHOLLA; DEVIL CACTUS (Opuntia Stanlyi) 

 BUCKHORN CHOLLA (Opuntia acanthocarpa) . 

 CURSED CHOLLA; DEVIL CHOLLA (Opuntia Stanlyi) . 

 JUMPING CHOLLA (Opuntia fulgida) .... 



SPINY TREE CHOLLA (Opuntia spinosior) 

 CANDY BARREL CACTUS; FISHHOOK CACTUS 



(Echinocactus JVislizeni) 



PINK FLOWERED VISNAGITA (Echinocactus Johnsonii) 

 MEXICAN FRUIT CACTUS (Echinocactus ham at acanthus) 

 GIANT VISNAGA; GIANT BARREL CACTUS (Echino- 

 cactus Visnaga) 



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