_mesa_—a broad high table-land or plateau. _Mojave_—a desert in Southern California. _obtuse_—blunt or rounded at the tip. _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) Deeringii (dēr ĭn´jĭ ē) Deserti (dĕz ēr´tē) Delicata (dĕl ĭ kä´tä) Discata (dĭs kä´tä) Echinocereus (ĕk ī nō cē´rē ŭs) Echinocactus (ĕk ī nō căc´tŭs) Emoryi (ĕm´ôr ē) Engelmannii (ĕn gĕl män´ē ē) Fasciculata (fä sĭk o͞o lä´tä) Fendleri (fĕnd´lēr ē) _Fuera_ (fo͞o ā´rȧ) Fulgida (fŭl´gĭ dä) Genus (jē´nŭs) Genera (jĕn´ēr ȧ) Giganteus (jī găn tē´ŭs) Gila (hē´lȧ) Greggii (grĕg´gē ē) Grahamii (grā´ȧm ē) Hamatacanthus (häm ä tä kän´thüs) Horizonthalonius (hôr ĭ zŏn thä lō nē üs) Hystricina (hĭs trĭ cē´nä) Johnsonii (jŏn´sŭn ē) Junco Espinoso (hün´kō ās pē nō´sō) Lævis (lī͜͡ē´vĭs) Le Contei (lĕ kŏn´tē) Leeanus (lē ä´nüs) Leptocaulis (lĕp tō cau´lĭs) Linguiformis (Lĭn gwĭ fôr´mĭs)