=A. Beaucarnei= (Beaucarne's). Synonymous with _A. Kerchovei_.
=A. Botterii= (Botteri's).* _fl._ 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. _l._ 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.
=A. bulbifera= (bulb-bearing). Synonymous with _A. vivipara_.
=A. cæspitosa= (tufted). Synonymous with _A. Sartorii_.
=A. cantula.= Synonymous with _A. vivipara_.
=A. Celsiana= (Cels's).* _fl._ tinged purplish-brown, 2in. long, in a dense spike, 1ft. or more long, and 6in. to 8in. in diameter when expanded; scape 4ft. long, the lower bract leaves lanceolate, the upper ones subulate. _l._ twenty to thirty in a rosette, oblong-spathulate, 1-1/2ft. to 2ft. long, 4in. to 5in. broad at the middle, narrowed to 2-1/2in. to 3in. above the base, persistently glaucous, the point hardly at all pungent; spines very unequal in size and shape, green, largest brown and horny at the top. Mexico, 1839. This is a beautiful species, the stem of which scarcely rises off the surface of the ground. See Fig. 46.
=A. coccinea= (scarlet). _fl._ unknown. _l._ twenty to thirty in a dense rosette, oblanceolate-spathulate, 1-1/2ft. to 2ft. long, 4in. to 6in. broad two-thirds of the way up, narrowed to 3in. above the dilated base, where it is 1in. to 1-1/4in. thick, deep heavy green; terminal spine 1-1/2in. or more in length, red; side prickles irregular, deltoid, unequal, nearly straight, 1/6in. to 1/4in. long, red. Mexico, 1859.
=A. cochlearis= (cochleate). _fl._ yellowish green, above 4in. long, in dense clusters. _l._ forming a sessile rosette 10ft. broad, oblong-spathulate, 5ft. to 6ft. long, above 1ft. broad, 5in. thick at the base, opaque green, with a deeply excavated face; terminal spine very stout, pungent; side prickles curved variously, middle sized, deltoid. Stems 26ft. high. Mexico, previous to 1867.