Agave Botterii

Agave Botterii (Botteri's) is a species of Agave.

Background
Flower greenish-yellow, about 1in. long, on a  dense spike, longer than the leaves; primary bracts lanceolate,  with a long point, the lower ones as long as the flowers; scape covered with adpressed lanceolate bracts. leaves about fifty in a rosette, oblong-spathulate, about 2ft. long, 6in. broad above the middle, narrowed to 4 1/2in. above the base; pale green, concave in the centre; spine hard, pungent about 1/2in. long; marginal teeth crowded, 1/8in., upcurved at the tip. Stemless. Mexico, about 1865.