. The Cactaceae : descriptions and illustrations of plants of the cactus family. ECHINOCEREUS. 41 Figure 51 is from a photograph of a plant collected by Dr. Rose on the Sierra Blanca, Texas, in 1913; figure 52 shows a flower and figure 53 a fruit copied from the above cited illustrations in the Cactaceae of the Mexican Boundary Survey. 57. Echinocereus barthelowanus sp. nov. Plants cespitose, forming large clusters; stems cylindric, 1 to 2 dm. long, 4 to 5 cm. in diameter; ribs about 10, somewhat tuberculate below, but completely hidden by the stout numerous spines; areoles approximate, 2 to 5
. The Cactaceae : descriptions and illustrations of plants of the cactus family. ECHINOCEREUS. 41 Figure 51 is from a photograph of a plant collected by Dr. Rose on the Sierra Blanca, Texas, in 1913; figure 52 shows a flower and figure 53 a fruit copied from the above cited illustrations in the Cactaceae of the Mexican Boundary Survey. 57. Echinocereus barthelowanus sp. nov. Plants cespitose, forming large clusters; stems cylindric, 1 to 2 dm. long, 4 to 5 cm. in diameter; ribs about 10, somewhat tuberculate below, but completely hidden by the stout numerous spines; areoles approximate, 2 to 5 mm. apart, white- felted when young; spines numerous, acicular, sometimes 7 cm. long, pinkish when quite young, afterward white or yellow with brown or blackish tips, in age becoming gray; flowers only 10 to 12 mm. long; perianth-segments oblong, 3 to 4 mm. long, ovary minute, strongly tubercled, hidden under the mass of spines; spine-clusters on ovary FlG' 5I' with 6 to 12 white or pinkish tipped spines, half as long as the flower. Collected by J. N. Rose on the mesa, near Santa Maria Bay, Lower California, March 18, 1911 (No. 16278). Here we would refer also plants collected by C. R. Orcutt near the same locality in 1917. The species is named for Captain Benjamin Barthelow, in whose company Dr. Rose collected the plant while making a cruise in the Lower California waters on the U. S. Steamer Albatross in 1911. 58. Echinocereus mamillatus (Engelmann).. -Kohinocereus slraminens. Cereus mamillatus Contr. U. S. Nat. Engelmann Herb. 3: 405. in Coulter, 1896. Cespitose; stems ascending, 2 to 3 dm. long, cylindric, to 6 cm. in diameter; ribs 20 to 25, sometimes oblique, strongly tuberculate; spines white or pinkish; radial spines 10 to 25, acicular, 3 to 12 mm. long; central spines 3 or 4, much stouter than the radials, 1 to cm. long; flowers and fruit Please note that these images are extracted from scanned page images that may have been digitally enhanced for re
Size: 1638px × 1526px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorbrittonnathaniellord1, bookcentury1900, bookdecade1910
