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Updated: May 25, 2025
The tubercled Cerceris "finds by the hundred" and almost immediately a species of weevil, the Cleona ophthalmica, on which it feeds its larvae, and which the human eye, though it searches for hours, can scarcely find anywhere.
A native of South America; naturalised in many parts of the Old World. The stem becomes cylindrical with age, and sometimes is devoid of branches for about 5 ft. from the ground. The plant requires stove treatment. Probably this kind is only a form of O. Tuna. Stem erect, cylindrical, even below, channelled and tubercled above, about 2 in. in diameter.
It was introduced in 1837 by the gentleman whose name it bears, and who, at that time, possessed a famous collection of Cacti. Like the rest of the Chilian kinds, it should be cultivated in a cool greenhouse in full sunshine, where it will produce its flowers in summer. Mag. 3558. This is another small, tubercled species, which, like the preceding, is a native of Chili.
It grows and flowers freely in an ordinary greenhouse, and would thrive in a sunny window if kept dry during the winter. A short, dumpy plant, with numerous tubercled ridges, bearing bunches of dark brown hair-like spines, which form a close network about the stem.
The botanist who founded the genus gives the following general description of its members: Stems tall, erect, thick, simple or branched, fleshy, ridged; the ridges regular, slightly tubercled, and placed closely together. Tubercles generally hairy, with bunches of short spines; the hairs long and white, especially about the apex of the stem, where they form a dense mass.
They are as follow: The Sapajous, whose tails are not only prehensile, but naked underneath, and tubercled near the tips; the Sajoas, who possess the prehensile power, but have hairy tails; and the Sajouins, whose tails are not prehensile. For want of a better, this classification may be adopted. The Sapajous are subdivided into three genera, of which the Howlers form one.
The only homes that I know her to inhabit are the reeds of the hurdles and the deserted cells of the Masked Anthophora. All the other Osmiae whose method of nest-building I know work with green putty, a paste made of some crushed leaf or other; and none of them, except Latreille's Osmia, is provided with the horned or tubercled armour of the mud-kneaders.
Stem 1 ft. or l½ ft. high, globe-shaped, with a somewhat pointed top, the sides divided into from fourteen to sixteen ridges, with tubercled edges, bearing clusters of about ten strong brown spines, which are stellately arranged, a central one projecting outwards, then suddenly curving upwards, and measuring 3 in. in length.
Stem robust, glaucous-green; ridges about eight, broad, prominent, obscurely tubercled; spines in bundles of nine, radiating, straight, less than 1 in. long, and pale yellow. Upon the growing part of the stem, the spines are intermingled with long, white, cottony hairs, often matted together like an unkempt head; these hairs fall off as the stem matures.
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