By Weniger D.
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Additional resources for Cacti of the Southwest
Above, left) Echinocactus wislizeni. 14 inches in diameter. Echinocactus whipplei. 3 inches in diameter. 20 Echinocactus mesae-verdae. 13/4 inches in diameter. (below, left) Echinocactus brevihamatus. 4 inches tall. (below, right) Echinocactus scheeri. 21/2 inches tall. 21 Echinocactus tobuschii. 25/8 inches in diameter. (below, left) Echinocactus setispinus var. hamatus. 7 inches tall. (below, right) Echinocactus setispinus var. setaceus. 10 inches tall. 22 Echinocactus sinuatus. 5 inches diameter.
Enneacanthus. Clustered stems, 13 inches across. Echinocereus fendleri var. rectispinus. Tallest stem pictured, 8 inches high. (above, left) Echinocereus fendleri var. fendleri. Stem 53/4 inches tall. Echinocereus dubius. Tallest stem 9 inches high. Two specimens of Lophophora williamsii in right foregrounds. 15 Echinocereus papillosus var. angusticeps. Tallest stem pictured, 3 inches high. (above, right) Echinocereus papillosus var. papillosus. Sprawling stems, 2 inches high. Echinocereus pentalophus.
Alta. White-flowered. Flower 31/8 inches across. 46 Opuntia engelmannii var. cacanapa. Largest pad shown, 7 inches across. Opuntia engelmannii var. aciculata. Largest pad 62/3 inches across. (above) Opuntia engelmannii var. dulcis. Largest pad 8 inches in diameter. This plant grew for many years in an urn by the entrance to the Old Trail Driver’s Museum in San Antonio. Opuntia engelmannii var. subarmata. Main pad 12 inches across.