Agave horrida

Agave horrida (horrid) is a species of Agave.

Background
Flower unknown. leaves thirty to forty in a dense rosette, rigid, lanceolate-spathulate, 8in. to 12in. long, 1in. to 2in. broad, bright green; terminal spine pungent, nearly 1in. long; margin furnished with a continuous broad grey border, with to pious prickles 3/8in. to 1/2in. long.

Varieties/Subspecies
A. h. Gilbeyi (Gilbey's). flower about thirty, 3in. to 4in. long, 2in. broad, dark green with a pale stripe down the middle, three to four large spines on each side. Mexico, 1873.

A. h. lævior (smoother). leaves somewhat narrower, longer, with marginal spines less strongly developed, and of a paler four. Mexico, 1870.

A. h. macrodonta (long-toothed). leaves fifty to sixty, 2 1/2in. broad; spines larger than in the typical form. Mexico, 1876.

A. h. micrantha (small-toothed). Border of leaf narrower, and spines smaller, than in the typical form.