Cactus Small 320×259 Medium 640×517 Large 1024×828 Download Tiff Original 2400×1940 | (343.6 KB) Description Flattened branch of a prickly pear Keywords cactii, kcactus Galleries Cacti Source: The Encyclopedia Britannica, Eleventh Edition (New York: The Encyclopedia Britannica Company, 1910)IV:925