. The Cactaceae : descriptions and illustrations of plants of the cactus family. 54 THB CACTACEAE. Key to Species. Outer perianth-segments ciliate. Groove of tubercles without glands. Flowers large for the genus, 2 to cm. long. Plants elongated; seeds very small, brown, with ventral hiliun 1. E. tuberculosa Plants usually globose; seeds larger than in E. tuberculosa, black, with a sub- basal hilum 2. E. dasyacantha Flowers small, about cm. long. Plants globose to stout-cylindric. Inner perianth-segments pointed. Inner perianth-segments broad 3. E. chihuahuensis Inner perianth-segments
. The Cactaceae : descriptions and illustrations of plants of the cactus family. 54 THB CACTACEAE. Key to Species. Outer perianth-segments ciliate. Groove of tubercles without glands. Flowers large for the genus, 2 to cm. long. Plants elongated; seeds very small, brown, with ventral hiliun 1. E. tuberculosa Plants usually globose; seeds larger than in E. tuberculosa, black, with a sub- basal hilum 2. E. dasyacantha Flowers small, about cm. long. Plants globose to stout-cylindric. Inner perianth-segments pointed. Inner perianth-segments broad 3. E. chihuahuensis Inner perianth-segments narrow 4. E. runyonii Inner perianth-segments obtuse 5. E. chaffeyi Plants slender-cylindric 6. E. sneedii Groove of tubercles with glands 7. E. bella Outer perianth-segments eciliate 8. E. lloydii 1. Escobaria tuberculosa (Engelmann). Mamtnillaria strobiliformis Scheer in Salm-Dyck, Cact. Hort. Dyck. 1849. 104. 1850. Not Engelmann, 1848. Echinocactiis strobiliformis Poselger, Allg. Gartenz. 21: 107. 1853. Mammillaria tuberculosa Engelmann, Proc. Amer. Acad. 3: 268. 1856. Cactus tuherculosus Kuntze, Rev. Gen. PI. i: 261. 1891. Cactus strobiliformis Kuntze, Rev. Gen. PI. i: 261. 1891. Mammillaria strobiliformis pubescens Quehl, Monatsschr. Kakteenk. 17: 87. 1907. Mammillaria strobiliformis durispina Quehl, Monatsschr. Kakteenk. 17: 87. 1907. Mammillaria strobiliformis rufispina Quehl, Monatsschr. Kakteenk. 17: 87. 1907. Mammillaria strobiliformis caespititia Quehl, Monatsschr. Kakteenk. ig: 173. 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 Britton, Nathaniel Lord, 1859-1934; Rose, J. N. (Joseph Nelson), 1862-1928. Washington : Carnegie Institution of Washington
Size: 1581px × 1581px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorbrittonnathaniellord1, bookcentury1900, bookdecade1910
