The Cactaceae. Т.3 by Britton N.L., Rose J.N.

By Britton N.L., Rose J.N.

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50. 1849. Echinocereus carnosus Rümpler in Förster, Handb. Cact. ed. 2. 796. 1885. Echinocereus enneacanthus carnosus Quehl, Monatsschr. Kakteenk. 18: 114. 1908. 1848. Cespitose, with many stems, often forming clumps one meter in diameter or more; joints often elongated, prostrate, 5 to 7 cm. in diameter; ribs 7 or 8, prominent, more or less tuberculate, BRITTON AND ROSE, VOL. III PLATE IV ECHINOCEREUS. M. E. Eaton del. 1. Top of flowering plant of Echinocereus sciurus. 2. Flowering plant of Lobivia cinnabarina.

Acad. 3: 345. 1856. Echinocereus kunzei Gürke, Monats­ schr. Kakteenk. 17: 103. 1907. 5 dm, high; ribs 13, straight, more or less undulate; areoles circular, or a little longer than broad, about 1 cm. apart; radial spines 15 to 17, acicular, about 1 cm. long, white or pur­p lish; central spines 1 to 5, not in a single row, a little stouter but scarcely longer than the radials; flowers appear­i ng be­ Fig. —Echinocereus scopulorum low the top of the plant, large, 6 to 7 cm. long, perhaps even broader than long, light purple; outer perianth-segments greenish yellow; inner perianth-segments oblanceolate, acute, 3 to 4 cm.

This is from the region of Galeotti’s type. We refer here Lloyd’s No. 4 from Zacatecas. Cereus pectinatus laevior Salm-Dyck (Cact. Hort. Dyck. 1849. 43. 180; Echinocereus pectinatus laevior, Monatsschr. Kakteenk. Index 56. 1912) is only a name to be referred here. Echinocereus pectinatus cristatus is an abnormal form of no taxonomic importance. A very unusual illustration of it appeared in Floralia 42: 372. This variety may or may not belong to this species. Echinopsis pectinata laevior Monville (Förster, Handb.

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