And presently Pablo noted something on the ground, at a distance, beside a clump of opuntia.
Cholla (opuntia fulgida) ranges from Nevada southward into Mexico.
This fact was corroborated by the discovery of irritable stamens in Portulaca and opuntia, and other genera of cactaceæ.
A closely-related species is known as tassajo (opuntia sponsior).
In the genus of opuntia there are no radial nor central spines; the thorns are merely spines in the full sense of the word.
Grafted on to a Cereus or opuntia it is healthier than when on its own roots.
You know that Henslow has described a new opuntia from the Galapagos.
When the grave has been half filled in, they throw into it a prickly-pear (opuntia Dillenii) shrub, and make a mound over it.
The cochineal insect is indigenous here, and is found upon the Cactus opuntia.
Tuna is the prickly pear, tunal, the plant that bears it, various species of opuntia.