. The Cactaceae : descriptions and illustrations of plants of the cactus family. N^OMAMMILLARIA. 127 Type locality: Mexico. Distribution: Deserts of eastern Queretaro, Mexico. This plant was collected by Rose and Painter between Higuerillas and San Pablo, August 23, 1905 (No. 11536), and flowered in Washington on October 3, 1905. In 1913 I/. Quehl of Halle sent us some flowers of this species. Illustrations: Bliihende Kakteen 3: pi. 151; MoUers Deutsche Gart. Zeit. 25: 475. f. 8, No. 6, as Mamniillaria camptotricha. Figure 135 is from a photograph of the plant collected by Dr. Rose in 1905. 85
. The Cactaceae : descriptions and illustrations of plants of the cactus family. N^OMAMMILLARIA. 127 Type locality: Mexico. Distribution: Deserts of eastern Queretaro, Mexico. This plant was collected by Rose and Painter between Higuerillas and San Pablo, August 23, 1905 (No. 11536), and flowered in Washington on October 3, 1905. In 1913 I/. Quehl of Halle sent us some flowers of this species. Illustrations: Bliihende Kakteen 3: pi. 151; MoUers Deutsche Gart. Zeit. 25: 475. f. 8, No. 6, as Mamniillaria camptotricha. Figure 135 is from a photograph of the plant collected by Dr. Rose in 1905. 85. Neomammillaria eriacantha (Link and Otto). Mamniillaria eriacantha Link and Otto in Pfeiffer, Enum. Cact. 32. 1837. Cactus eriacanthus Kuntze, Rev. Gen. PI. i: 260. 1891. Solitary or cespitose, 10 to 15 cm. high, cylindric, 5 cm. in diameter; tubercles spiraled, in 22 rows; radial spines about 20, delicate, spreading, pubescent; central spines 2, widely spreading, stouter than the radials, also pubescent, yellowish; flowers borne in a ring above the middle of the plant, yellow, 14 mm. broad; inner perianth-segments about 14, linear, acute; stigma-lobes 4; fruit at first greenish white, afterwards tinged with red, Fig. 135.—Neomammillaria camptotricha. Fig. 136.—Neomammillaria schiedeana. Type locality: Mexico. Distribution: Central Mexico. A plant, collected by McDowell, was seen in the collection of the Instituto Medico Nacional in the City of Mexico, but no specimen was obtained. Mamniillaria columbiana vSalm-Dyck (Cact. Hort. Dyck. 1849. 99. 1850) is probably to be referred here. It is doubtless of Mexican rather than of Colombian origin. Mammillaria eriantha (Pfeiffer, Enum. Cact. 32. 1837), referred here by Pfeiffer, was never described. Mammillaria cylindracea De CandoUe (Mem. Mus. Hist. Nat. Paris 17: iii. 1828) is referred here by Schumann and also by Pfeiffer and Otto, but the description of it would suggest a different species. Kuntze changes the
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