54.0 THE DICTIONARY OF GARDENING. 
Echinocactus—continued. | Echinocactus—continued. 
FIG. 22, PORTION OF RIDGE, WITH SPINES, OF ECHINOCACTUS 
POLYCEPHALUS, 
over 3in. long in old plants, and sometimes curved. California 
and Colorado, 1886. Warm house. See Fig. 22. 
E. Pottsii (Potts’). fl. yellow, about 2in. across, short-tubed, 
several expanding together on the top of the stem. Summer. | 
Stem globular, 1}ft. in diameter; ridges about a dozen, rounded 
and even, with acute sinuses; spines lin. long, bristle-like, 
arranged in clusters of seven or nine, with a cushion of white 
wool at the base. California, 1840. Warm house. See Fig. 23. 
E. Scopa cristatus (crested). A curious monstrosity, owing its 
origin to fasciation, such as occursin the Cockscombs, Echeverias, 
&c. The plant shown at Fig. 24 is grafted on the stem of a 
Cereus. 
E. senilis (old). i. light pink, 14in. long, lin. in diameter, having 
a scaly, cylindrical tube. Stem stout, cylindric, with sixteen or 
eighteen ribs, having tufts of numerous hair-like spines, curving 
upwards. -Chili, 1886. (R. G. 1230.) 
E. Wislizeni (Wislizen’s). 7. greenish-yellow, about 2in. long 
and broad, developed only on large plants. Summer and autumn. 
Stem depressed when young, large and cylindrical when old; | Ae J : 
ridges about a score, regular and sharp-edged, bearing bundles Fig, 24, ECHINOCACTUS SCOPA CRISTATUS. 
