42 CACTUS CULTURE TOR AMATEURS. 



aw 3 inches wide, spreading, the petals broad and over-lapping, 

 rose-coloured, except in the centre of the flower, where they are 

 almost white ; anthers yellow ; stigma purple. Mexico, 1838. 

 During summer it may be placed in a sunny position in a frame 

 out of doors if placed 'indoors for the winter. 





 Pig. 17. Cereus pecten-aboriginum. 



C. peruvianus. 



Stems sometimes 12 feet or more high, and very spiny. Ridges 

 from five to eight, with stellate bundles, about 1 inch apart, o! 

 small, stiff black spines. Flowers 5 inches across, white above.! 

 tinged with red below. They are rarely produced in cultivation 



