1900 SUPPLEMENT—RECENT INTRODUCTIONS, &C. 335 
Echinocactus—continued. 
globose, usually flattened at top; ribs or ridges eight or nine, 
large, greyish-green ; spines in crowded, star-like ¢ s along 
the edges of the ribs, strong, slightly curved, horn-like, marked 
» - 
with numerous rings. Mexico, See Fig. 357. SYNs. E. equitans, 
E. horizontalis. 
Fic. 356. ECHINOCACTUS GRUSONI. 
E, ingens (huge). The correct name of FE. Visnaga. 
E. interruptus (interrupted). A synonym of FE. coptonogonus. 
E. Joadii (Joad’s).* jl. bright yellow, handsome, 2in, in 
diameter; calyx tube furnished with tufts of slender spines, 
mixed with curly hairs; petals numerous, narrow-oblong, acute ; 
stigmas crimson. Stem globose, many-ribbed ; spines brownish, 
the outer ones fifteen to eighteen, radiating, the inner ones six 
or seven, longer and stouter, directed outwards. Uruguay (?) 
1885. (B. M. 6867.) : 
Fic. 357. ECHINOCACTYS HORIZONTHALONIUS, 
E. Johnsoni (Johnson's). fl. purple or pink, 2in. to 24in. long 
and wide, with numerous reniform sepals on the ovary and tube ; 
Echinocactus—continued. 
petals ovate, obtuse. Stem medium-sized, 4in. to 6in. high, with 
seventeen to twenty-one low, rounded, interrupted, close-set, 
often oblique ribs, densely covered with stoutish, reddish-grey 
spines, the outer ten to fourteen Jin. to l4in. long, the upper 
longest ; the central four stouter, recurved, l4in. long. Southern 
Utah. (R. G. 1883, p. 58.) 
E. latispinus (broad-spined). A garden synonym of 
E. cornigerus. 
E. Leeanus (Lee’s). jl. white, tipped with rose, l4in. long and 
wide; stamens pale yellow. May. Stem the size of a small 
orange, with lea », globose tubercles, bearing star-shaped 
clusters of short, brown spines. Argentine Republic, 1840. 
(B. M. 4184.) 
E. Mackieanus (Mackie’s). /. two or three at the top of the 
stem, 24in. across; petals white, tipped with brown. Stem Sin. 
high, 2in. broad at base, widening slightly upwards; ridges 
broken into numerous fleshy, rounded, green tubercles, crowned 
with a tuft of thin brown spines, in. to lin. long, set in small 
pads of yellow wool. Chilian Andes, 1837. 
E. mammillarioides (Mammillaria-like). A synonym of 
E. Pfeiffert. 
E. mamulosus (small-nippled). /. about 4in. across, with a 
thick tube, borne at the top of the stem; petals bright yellow, 
spreading ; stamens purple. June. Stem short, with numerous 
tubercled ridges, bearing bunches of dark brown, bair-like 
spines forming a close network. Probably Brazil. 
E. Mirbelii (Mirbel’s). A synonym of Z. ornatus. 
E. Odieri Mebbesii (Mebbes’). This variety differs from the 
type in having flesh-coloured flowers. 
E. Orcutti (C. R. Orcutt’s).* jl. deep crimson, bordered with 
greenish-yellow, borne in a ring near the apex of the stem. 
Jr. green, globose. Stems cylindrical, 2ft. to ft. high, lft. in 
diameter, single or in clusters ; ribs eighteen to twenty-two, often 
oblique ; spines in clusters of about a dozen, equal. Lower 
California. There is a form with lemon-yellow flowers and 
recurving White spines. 
Fic. 358. PORTION OF RIDGE, WITH SPINES, OF ECHINOCACTUS 
POLYCEPHALUS. 
E. ornatus (ornate). 7. yellow; sepals subulate. Summer. 
Stem oblong or sub-globose, eight-angled, of a pleasing green 
with brown spots; ribs compressed, spirally twisted; tubercles 
white-woolly; prickles in groups of seven to ten, pale yellow. 
Mexico, 1838. Syns. EH. Mirbelii, E. tortus. 
E. pectinatus (comb-like).. A synonym of Cereus pectinatus. 
E. pectiniferus is a distinct species. 
E. peninsulz (peninsular). _/!. varying from golden-yellow to 
red. Stem globose to cylindrical, 6in. to 5ft. high, 6in. to 14in. 
in diameter ; ribs about twenty-one, straight or rarely oblique ; 
spines red, the radials about eleven, robust, lin. Jong, the four 
centrals stouter, 2in. long. Lower California. Allied to 
EB. Emoryi. 
E. Pentlandi is now classed under Hehiiiopsts. 
E. Pfeifferi (Pfeiffer’s). /. bright yellow, with a band of red 
down the centre of each petal, 2in. long, short-tubed ; stamens 
yellow. Stems very irregular in form owing to the crowding 
