. Carnegie Institution of Washington publication. 82 THE CACTACEAE. 51. Opuntia pulchella Engelmann, Trans. St. Louis Acad. 2: 201. 1863. Low, 10 to 20 cm. high, densely branched, sometimes forming compact heads 6 dm. in diameter; main stem more or less definite, covered with areoles bearing yellow glochids 10 to 12 mm. long; lateral joints 5 to 6 cm. long, narrowly clavate, strongly tuberculate, purplish; areoles 6 to 8 mm. apart, 2 to 3 mm. broad; spines 10 to 16, slender, reddish, the longer ones 5 to 6 cm. long, somewhat flattened; flower 5 cm. long, when open, fully as broad; petals purpl
. Carnegie Institution of Washington publication. 82 THE CACTACEAE. 51. Opuntia pulchella Engelmann, Trans. St. Louis Acad. 2: 201. 1863. Low, 10 to 20 cm. high, densely branched, sometimes forming compact heads 6 dm. in diameter; main stem more or less definite, covered with areoles bearing yellow glochids 10 to 12 mm. long; lateral joints 5 to 6 cm. long, narrowly clavate, strongly tuberculate, purplish; areoles 6 to 8 mm. apart, 2 to 3 mm. broad; spines 10 to 16, slender, reddish, the longer ones 5 to 6 cm. long, somewhat flattened; flower 5 cm. long, when open, fully as broad; petals purple, 3 cm. long; ovary 2 cm. long, bearing numerous areoles filled with white wool and purple glochids 10 to 12 mm. long; fruit about cm. long; seeds (according to Coulter) thick and round, 4 mm. in diameter, with broad flat com- missure. Type locality: Sandy deserts on Walker River, Nevada. Distribution: Nevada and Arizona. The plant was first collected by Henry Engelmann in 1859, and brought to his brother, Dr. George Engelmann. The species does not succeed well in cultivation under glass. Illustration: Simpson's Rep. pi. 3. Figure 95 is from an herbarium specimen collected by Thomas H. Means at Fallen, Churchill County, Nevada, in Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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