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A very distinct dwarf kind, with globular stems 2 in. high and about 3 in. wide, clothed with spirally-arranged rows or ridges of tubercles, similar to those shown in the figure of E. hexaedrophorus, except that, in the former, there are no spines on the mature tubercles, although, when young, they have each a little cluster of fine spines.
It requires warm greenhouse treatment, and plenty of water during the summer, care being taken that the soil it is planted in is perfectly drained. Mag. 4184. This species has many characters in common with E. hexaedrophorus and E. gibbosus, the stem being no larger than a small orange, with plump globose tubercles, bearing star-shaped clusters of short brown spines.
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