gg CACTUS CULTURE FOR AMATEURS. 



sometimes proliferous at the base, globose when young, afterwards 

 rAmost cylinder or pear-shaped, 5 inches high, 2 inches in diameter ; 

 tubercles 1 inch long, arranged in twelve spiral rows, slightly 

 woolly in axils. Spines 1 inch long, in two rows, about fifty on 

 each tubercle, the central ones hooked. Flowers 1 inch wide. 

 California and Colorado, requiring greenhouse treatment. One 

 of the most ornamental, the radial spines being almost white, whilst 

 the central ones are black, and look like tiny fish-hooks. 



M. pulchra. 



Stem globose when young, cylindrical when old, and about 

 6 inches high ; tubercles large, egg-shaped, arranged in from eleven 

 to thirteen spiral rows ; spines in compact tufts, set in wl.itish wool, 

 irregular in length, almost covering the whole stem. Flowers 

 developed in June near the top of the stem, bright rose. Mexico. 

 Introduced in 1826. Has been also called M. pulcherrima. 



Fig. 45. Maonillaria pusilla. 

 M. Purpusi. 



Stem simple, rarely proliferous, cylindric or cone-shaped, 

 4 inches high, with from twelve to twenty rows of tubercles, each 

 bearing a tuft of about twenty radial white spines and six central, 

 red, straight ones. Flowers small, in a circle near the apex, red. 

 Colorado, at an elevation of about 9000 feet, whence it was intro- 

 duced in 1894. Said to be one of the hardiest. 



M. pusilla. 



Steins 2 inches high, tubercles, tufted dark green, with pads 

 of whitish wool in the axils ; spines bristle-like, twisted, 1 inch long, 



