Agave pruinosa

Agave pruinosa (frosty) is a species of Agave.

Background
Flower unknown. leaves ten to twenty in a dense rosette, spreading, oblanceolate-oblong, 1 1/2ft, to 2ft. long, 4in. to 5in. broad above the middle, soft and fleshy in texture, pale  glaucous green; terminal spine very weak; edge furnished with  minute irregular spreading deltoid serrations, not more than quarter line long. Mexico, 1863. A very distinct species.