ILLUSTRATIONS 



MEXICAN NIGHT BLOOMING CEREUS; REINA DE 



NOCHE; SERPENT CACTUS (Cercus serpentinus) Frontispiece 



PAGE 



SENITA, ZINA, OR SIN A (Ccreus Schottii) 4 



NIGHT BLOOMING CEREUS; GODDESS OF THE 



NIGHT; LA REINA DE NOCHE; THE QUEEN OF 



NIGHT (Cereus Greggii) Facing 8 



SAHUARO OR GIANT CACTUS (Cereus giganteus)\ AND 



PALO VERDE " 9 



SHORT SPINED STRAWBERRY CACTUS (Echinocereus 



Bonkera) " 28 



HORNED TOAD CACTUS (Mammillaria Maina) . . " 40 



SLENDER PINCUSHION CACTUS (Mammillaria fascicu- 



lata) " 40 



SUNSET CACTUS (Mammillaria Grahamii) ... " 41 



BENT SPINE PINCUSHION (Coryphantha recurvata) . " 41 



GOLDEN SPINED STRAWBERRY CACTUS (Echinocereus 



chrysocentrus) " 66 



TURK'S HEAD (Echinocactus horizonthalonius) ... " 66 



TRAVELER'S FRIEND; CANDY CACTUS; TRAVELER'S 



COMPASS (Echinocactus Covillei) " 66 



DESERT STRAWBERRIES; FENDLER'S HEDGEHOG 



CACTUS (Echinocereus Fendleri) " 67 



INDIAN STRAWBERRY CACTUS; ENGELMANN'S 



HEDGEHOG CACTUS (Echinocereus Engelmannii) . " 67 



SHORT SPINED STRAWBERRY CACTUS (Echinocereus 



Bonkera) " 72 



SALMON FLOWERED HEDGEHOG CACTUS (Echino- 

 cereus Leeanus) " 72 



CREAM PINCUSHION CACTUS (Mammillaria Johnstonii) " 73 



SHOWY PINCUSHION CACTUS (Coryphantha aggregata) " 73 



SNOWBALL PINCUSHION (Mammillaria Olivia) . . " 73 



CALIFORNIA PINCUSHION (Mammillaria tetrancistera) " 73 



RAINBOW CACTUS (Echinocereus rigidissimus) . . " 84 



xiii 



