. Carnegie Institution of Washington publication. FEROCACTUS. 141 Echinocactus californicus Monville (Labouret, Monogr. Cact. 199. 1853), first grown from seed supposed to have come from California, but without definite locality, may belong here although it has been referred to other species such as F. orcuttii. E. cali- fomicus Hortus is referred here by Rumpler (Forster, Handb. Cact. ed. 2. 472. 1885). Illustrations: Gard. Chron. II. 7: 172. f. 26; Cact. Mex. Bound, pi. 29, as Echino- cactus viridescens. Plate xiv, figure 1, shows a flowering plant sent to the New York Botanical Garden from
. Carnegie Institution of Washington publication. FEROCACTUS. 141 Echinocactus californicus Monville (Labouret, Monogr. Cact. 199. 1853), first grown from seed supposed to have come from California, but without definite locality, may belong here although it has been referred to other species such as F. orcuttii. E. cali- fomicus Hortus is referred here by Rumpler (Forster, Handb. Cact. ed. 2. 472. 1885). Illustrations: Gard. Chron. II. 7: 172. f. 26; Cact. Mex. Bound, pi. 29, as Echino- cactus viridescens. Plate xiv, figure 1, shows a flowering plant sent to the New York Botanical Garden from southern California by W. T. Schaller in 1909. Figure 148 is from a photograph of plants collected by C. R. Orcutt in southern California in Fig. 148.—Ferocactus viridescens. 24. Ferocactus johnsonii (Parry). Echinocactus johnsonii Parry in Engelmann, Bot. Kings's Surv. 117. 1871. Echinocactus johnsonii octocentrus Coulter, Contr. U. S. Nat. Herb. 3: 374. 1896. Simple, oblong, 10 to 20 cm. high, up to cm. in diameter, often hidden under its mass of spines; ribs 17 to 21, low, somewhat tuberculate; spines reddish gray; radial spines 10 to 14, spreading, 10 to 20 mm. long; central spines 4 to 8, longer and stouter than the radials, somewhat curved, the upper ones connivent, to 4 cm. long; flowers deep red to pink, 5 to cm. long, sometimes 10 cm. broad when fully expanded; inner perianth-segments oblong to spatulate, obtuse; ovary bear- ing a few broad, scarious, fimbriate, margined scales; fruit oblong, 10 to 15 cm. long, nearly naked; seeds finely reticulated. Type locality: Near St. George, Utah. Distribution: Northwestern Arizona, eastern California, western Utah, and southern Nevada. This species was named for Joseph Ellis Johnson (1817-1882), an amateur botanist of St. George, Utah, who, according to Professor Vasco M. Tanner, was once awarded a gold medal for having the best garden in the state of Utah. Illustrations: Forster, Handb. Cact. ed. 2. 558.
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