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The Sea-Urchin Cactus in Bloom

There are several species of sea-urchin cactus, known to the botanists as Echinopsis. The propriety of the name will be obvious to any one who has seen a sea-urchin. The contrast between the stubby stock of the plant and its splendid flower is startling.

The Sea-Urchin Cactus in Bloom

This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 10 Chapter 9