. The Cactaceae : descriptions and illustrations of plants of the cactus family. NEOMAMMILLARIA. 81 Collected at San Carlos Bay, Sonora, Mexico, by Ivan M. Johnston in 1921 (No. 4373) and flowered in Washington in April 1922 and April 1923. Figure 726 is from a photograph of the type specimen. 16. Neomammillaria melanocentra (Poselger). Mammillaria melanocentra Poselger, Allg. Gartenz. 23: 17. 1855. Mammillaria erinacea Poselger, Allg. Gartenz. 23: 18. 1855. Mammillaria valida Weber, Diet. Hort. Bois 806. 1898. Short-cylindric, glaucous-green; tubercles in 8 and 13 spirals, strongly angled; ra
. The Cactaceae : descriptions and illustrations of plants of the cactus family. NEOMAMMILLARIA. 81 Collected at San Carlos Bay, Sonora, Mexico, by Ivan M. Johnston in 1921 (No. 4373) and flowered in Washington in April 1922 and April 1923. Figure 726 is from a photograph of the type specimen. 16. Neomammillaria melanocentra (Poselger). Mammillaria melanocentra Poselger, Allg. Gartenz. 23: 17. 1855. Mammillaria erinacea Poselger, Allg. Gartenz. 23: 18. 1855. Mammillaria valida Weber, Diet. Hort. Bois 806. 1898. Short-cylindric, glaucous-green; tubercles in 8 and 13 spirals, strongly angled; radial spines 6, stout-subulate, to 2 cm. long, brownish; central spines solitary, black, 2 to 3 cm. long, greatly overtopping the stem; flowers pinkish red, the segments linear, Fig. 726.—Neomammillaria johnstonii. Type locality: Near Monterey, Mexico. Distribution: Mexico, but range unknown. Illustration: Bliihende Kakteen 3: pi. 129, as Mammillaria melanocentra. Figure 73 is a reproduction of the illustration cited above. 17. Neomammillaria runyonii sp. nov. Plants deep-seated, depressed; tubercles milky, elongated, cm. long, strongly 4-angled, their tips widely separated from each other, their axils long-woolly (never setose), especially when young, sometimes permanently so; young spine-areoles long-woolly, but in age glabrate; radial spines 6 to 8, slightly ascending, the outer ones stouter and often dark brown in color, the inner ones about half the length of the outer and nearly white; central spine solitary, brown to black, erect, 10 to 14 mm. long; flowers about 2 cm. long, purple; perianth-segments oblong; fruit red, clavate, 12 to 16 mm. long; seeds brown. Collected on Bl Mirador, near Monterey, Mexico, by Robert Runyon in 1921. Plate X, figme 2, is from a photograph of one of the plants Mr. Runyon originally brought from El Please note that these images are extracted from scanned page images that may have been digitally enhanced for readabi
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Keywords: ., bookauthorbrittonnathaniellord1, bookcentury1900, bookdecade1910
