CORYPHANTHA

The genus comprises over 50 species, all possessing large flowers. Their cultivation is easy, and they appreciate full sunshine at all times.

Coryphantha deserti. Arizona, S. California, and Nevada. A very beautiful species. The stem is solitary, but sprouts at the base when adult. Radial spines are numerous, with 10 central spines. The flowers are a pale red.

Coryphantha recurvata. Arizona and N. Mexico.

The plant forms clusters with globular stems. The comb-like radial spines number 20 to 25, central spines 1 or 2. The flowers are yellow and brown.

Coryphantha Palmeri. Mexico. This is anothei lovely globular cactus with closely set tubercles. Spreading radial spines number n to 14, with 1 central spine. The flowers are yellowish-white with a brown mid-rib, and appear at the crown.

Coryphantha radians. Mexico. The stem is solitary, globular, but sometimes elongated. There are up to 20 white to yellowish radial spines, all spreading, but no central spine. The flowers are lemon-yellow, with the outer petals tipped with red.

Coryphantha aggregata. Arizona and New Mexico. The globular or cylindrical stem, 2 to 3 inches in diameter, eventually forms clusters up to about 15 inches across. The tubercles are arranged spirally in 15 to 17 rows, with 15 to 40 radial spines, about J inch long; 6 central spines spread out in a brush, especially in more mature plants. The spines are white, tipped reddish-brown. The beautiful bright pink to rose-purple flowers, each 2 to 3 inches in diameter, are arranged round the centre of the plant. Seeds germinate readily.

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