persistent—remaining in place beyond the usual time. petals—the inner circle of flower leaves, usually bright-colored. prostrate—lying flat on the ground.

radial spines, or radials—the outer spines of a cluster. recurved—curved outward and backward.

scale—a thin colorless body, usually a reduced bract. scurfy—with small transparent scales on the surface. sepals—the outer circle of flower leaves, green or colored. shrub—a woody plant branching from the base. spatulate—shaped like an old-fashioned spatula with the tip broadened and rounded. spicule—a small fine needlelike body, also called a glochidium. spine—a hardened and sharp-pointed modified branch or leaf, called also a thorn. spinescent—tipped with a spine or sharp point. stamen—the male bearing organ consisting of anther and filament. stigma—the tip of the style on which the pollen is deposited. style—the stalk joining the ovary and the stigma. style branches—the divisions of the style bearing the stigmas.

translucent—partially transparent. trek—usually a trip by wagon, used here to signify a trip by automobile, or simply a trip. tubercles—knobby projections.

Visnaga—Barrel Cacti. viable—capable of growth. Visnagita—smaller plants of the Echinocactus Genus.

whorls—arrangement of plant parts in a circle around a stem.

PRONOUNCING VOCABULARY

Adiós, señor (ä dē ôs´ sān yôr´) Aggregata (ä grā gä´tä) Arizonica (ăr ĭ zōn´ĭ kä) Acanthocarpa (ä kän thō kär´pä) Acanthodes (ä kän´thō dēs)

Bajadas (bȧ hä´dȧs) Basilaris (bäs ĭl ä´rĭs) Bisnaga (bĭs nä´gȧ) Bigelovii (bĭg ĕl ō´vē ē) Blakeana (blāk ä´nä) Buenas noches (bo͞o ā´nȧs nô´chās) Bonkeræ (bŏn´kēr ī͜͡ē)

Cabecita del Viejo (kä vā cē´tȧ dĕl vē ā´hō) Cactaceæ (kăk tā´cē ē) Chlorotica (klō röt´ĭ kä) Cereus (cē´rē ŭs) Cholla (chōl´yȧ); commonly (choy´ȧ) Coccineus (kŏk ĭn´nā üs) Coryphantha (kôr ĭ fän´thä) Covillei (kō vĭl´ē)