348 
i of the A. lurida of Jacquin, and there can be no doubt, in 
Sage the facts and serine he has there marshalled, that 
Jacquin’s plant was the same as that widely naturalized in the _ 
Indies, for which the name of 4. Wightii was proposed in Benga 
Agricultural Bulletin, No, 8, 1905, by Col, Prain and the writer, 
and also with the A, Jacqguiniana of Sir William Hooker in Bot. 
Mag., t. 5097 (1859). 
Dr. Trelease carries his revision a step farther, and refers this 
well-marked species to the A. angustifolia of Haworth (Syn. 72); 
but for reasons that need not be detailed on this occasion the writer 
Dyck in Bonplandia, 1859, p. 88). It is now impossible to say 
‘oinal : : 
A key to the identification of the chief species mentioned in this 
note is appended. 
Kry, 
Leaf-margin without prickles, finely serrulate... miradorensis, Jacobi 
Leaf-margin furnished with prickles— 
Prickles inconspicuous ; perianth bright yellow... Morrisii, Baker 
Prickles conspicuous ; perianth green, or tinged with dull yellow— 
Leaves in a dense globose rosette, never exceeding 3 feet in 
leng a »  Jacquiniana, Schultes ex Hooker 
Leaves in a lax rosette, or tufted, always when mature exceed- 
ing 3 feet in length— 
Leaves hardly widened at the middle, very narrow in pro- 
portion to their length ... ....——-.., Cantala, Roxb. 
Leaves obviously widened at the middle— 
Leaves ascending sharply from their bases ; perianth-lobes 
narrowly ligulate, more or less constricted below their 
_ tips— 
Trunk inconspicuous ; leaves tufted ... sisalana, Perrine 
Trunk ultimately attaining 5 feet in length; leaves 
arranged in a spiral rosette ... longifolia, Engelmann 
