Calyx monophyllus, superus, imbricatus. Corolla multiplex. Bacca monolocularis, polysperma.
Empalement one-leafed, above, tiled. Blossom of many folds. Berry of one loculament, many-seeded.
SPECIFIC CHARACTER.
Cactus prolifero-articulatus: articulis ovato-oblongis, sub-inermibus.
Habitat in Mexico.
Tuna cochenillifera.—Dill. Elth. tab. 297.
Cereus proliferous-jointed. Joints are of an ovate and oblong form, and nearly unarmed.
Native of Mexico.
REFERENCE TO THE PLATE.
1. A flower cut open.
2. The same shown from the outer side.
3. A longitudinal section of the seed-bud.
4. The cochineal insect as retailed in the shops.
5. The same shown from the under side.
6. A larger and darker sort.
7. The same shown from the under side and magnified.