. Carnegie Institution of Washington publication. . FIG. 138.—Lcrnaireucereus deficiens. FIG. 139.—Lemaireocereus weberi. 15. Lemaireocereus queretaroensis (Weber) Safford, Ann. Rep. Smiths. Inst. 1908: pi. 6, f. 2. 1909. Cereus queretaroensis Weber in Mathsson, Monatsschr. Kakteenk. i: 27. 1891. Pachycerciis queretaroensis Britton and Rose, Contr. U. S. Nat. Herb. 12: 422. 1909. Plant 3 to 5 meters high, with a short woody trunk, much branched above; ribs 6 to 8, prominent, obtuse; areoles about i cm. apart, large, brown-woolly, very glandular; spines 6 to 10, at first red, becoming grayish i
. Carnegie Institution of Washington publication. . FIG. 138.—Lcrnaireucereus deficiens. FIG. 139.—Lemaireocereus weberi. 15. Lemaireocereus queretaroensis (Weber) Safford, Ann. Rep. Smiths. Inst. 1908: pi. 6, f. 2. 1909. Cereus queretaroensis Weber in Mathsson, Monatsschr. Kakteenk. i: 27. 1891. Pachycerciis queretaroensis Britton and Rose, Contr. U. S. Nat. Herb. 12: 422. 1909. Plant 3 to 5 meters high, with a short woody trunk, much branched above; ribs 6 to 8, prominent, obtuse; areoles about i cm. apart, large, brown-woolly, very glandular; spines 6 to 10, at first red, becoming grayish in age, acicular, rather unequal, sometimes only 15 mm. long, at other times 5 cm. long; flowers 7 to 8 cm. long; ovary with many woolly areoles subtended by ovate scales 2 mm. long or less; fruit spiny, edible. Type locality: Oueretaro, Mexico. Distribution: Central Mexico. This species was formerly referred by us to the genus Pachycercus, but it has since been learned that the fruit is not dry, but juicy and edible, and therefore the plant is more prop- erly a Lemaireocereus. Its peculiar glandular areoles are like those of L. thurberi, although otherwise the two species are quite different. This plant is said to be cultivated in Jalisco and Oueretaro, Mexico, doubtless for its edible fruits, which are also called pitahaya. We have had the plant in cultivation in Washington since 1907, but it has made little or no 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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