A. vivipara

(viviparous).* fl. greenish yellow, 1½in. to 2in. long, often changed into bulbillæ, which bear lanceolate leaves 6in. long before they fall and take root; inflorescence reaching a height of 20ft. or more, the deltoid panicle about a quarter of the length of the scape; corymbs on stout peduncles, pedicels short. l. twenty to fifty in a dense, shortly caulescent rosette, ensiform, 2ft. to 3ft. long, 1½in. to 2in. broad at the middle, whence it gradually narrows to the point, dull green when mature, thin but firm in texture, flat or channelled down the face; terminal spine firm, brown, ½in. long; side teeth brown, hooked, ¹/₁₂in. or le long. A very widely spread species throughout tropics of the Old World, 1731. S YNS. A. cantula, A. bulbifera.