Word: saguaro
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Dates: during 1940-1949
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Arizona Cacti. The giant saguaro cacti, Carnegiea gigantea (named for Andrew Carnegie)-which are not especially useful, but add an exotic beauty to Arizona's landscape-have now & then fallen sick, but in 1940 a bacterial disease attacked them with unusual virulence. Some giants developed oozy cankers, bled to death in a fortnight. Some developed rot pockets. Some looked healthy, then toppled suddenly to reveal decayed roots. The disease still rages and Plant Pathologist James Greenlief Brown of the University of Arizona and co-workers told how to save the giant cactus from extinction. Small sores...