168 HANDBOOK OF AMAKYLLIDEiE. 



long. Stamens inserted at the throat of the tube, more than twice 

 as long as the segments. 



Hab. Mexico, introdaced into cultivation about 1830. Flowered at Kew in 

 1880, with Mr. Peacock about the same time, and with Mr. Wilson Saunders in 

 1869. I cannot, from the descriiDtion, separate A. ensifera Jacobi, Nacht. 14. 



9. A. (Littaa) splendens Jacobi, Nacht. ii. 63. — Shortly caule- 

 scent. Leaves 50-60 in a rosette, ensiform, very rigid, above 2 ft. 

 long, 2 in. broad at the middle, subopaque olive-green, not vittate, 

 narrowed to a pmigent point an inch long, margined with a very 

 broad border, brown, fading to grey, the teeth very large crowded 

 irregular subdeltoid hooked, sometimes confluent. 



Hab. Described by Jacobi in 1870 from the collections of Muilman at 

 Utrecht and Baron de Jonge van Elemeet. Allied to A. xylonacantJia. It 

 flowered at the Missouri Botanic Garden in January, 1885, and Mr. Shaw 

 sent us a leaf for the Kew Herbarium. 



10. A. (Littan) xylonacantha Salmdyck in Bonpland. vii. 92 ; 

 Hook. fil. in Bot. Mag. t. 5660; Gard. Chron. 1877, fig. 81.— 

 Shortly caulescent. Leaves not more than 20 in a rosette, ensi- 

 form, 1|~3 ft. long, 2-3 or even 4 in. broad at the middle, a slightly 

 glaucous dead green, narrowed gradually to a pungent brown point 

 an inch long, pale green, marked with a few darker green lines on 

 the back, furnished with a broad continuous horny border and a 

 few very large irregular deltoid hooked often geminate teeth. Pe- 

 duncle 6-Q ft. long ; bract-leaves subulate, ascending. Spike longer 

 than the peduncle. Mowers ll— 1|- in. long ; ovary cylindrical ; 

 tube very short; segments lanceolate, greenish yellow, h-% in. long. 

 Stamens three times as long as the segments. 



Hab. Mexico, introduced from Keal del Monte by Mr. Kepper in 1846. 

 Flowered at Kew in 1867, and with Mr. Wilson Saunders in 1866 & 1867. Vars. 

 perhella (Gard. Chron. 1877, fig. 22) and hyhrida (fig. 80) are dwarf forms with 

 vittate leaves. A. amuremis Jacobi, Monog. 46 [A. Kochii Jacobi, Monog. 211) 

 is apparently a similar dwarf form. 



11. A. {Littaa] multilineata Baker. A. heteracantha Hort. 

 Angl., non Zucc. — Acaulescent. Leaves 30-40 in a dense rosette, 

 ensiform, a foot long, an inch broad at the middle, dark green, 

 neither glaucous nor vittate, narrowed gradually to a pungent apex, 

 with a narrow continuous grey edge with irregular distant small 

 lanceolate uncinate teeth, rounded on the back, pale green, with 

 copious interrupted darker green lines. Peduncle 3 ft. long. Spike 

 slender, not dense, finally 5 ft. long. Perianth H in. long; tube 

 very short ; segments linear, ^ in. long. Stamens twice as long as 

 the segments. Capsule oblong-trigonous, f in. long. 



Hab. Probably Mexico. Described from a plant that flowered at Kew in 

 the autumn of 1887. We have received it lately from Leichtlin as " A. tetragona.'' 



12. A. [LitUva) heteracantha Zuccar. in Nova Acta, xvi. 2, 675; 

 Kegel, Gartenfl. t. 639. A. Poselgerii Salmdyck. A. Lecliurjuilla 

 Torrey. — Acaulescent. Leaves 20 or 30 in a dense rosette, ensiform, 

 rigid, 1-1^ ft. long, 1^-2 in. broad at the middle, dull green, with 

 a broad pale band down the face, rounded and marked with distinct 

 green lines down the back, the margin furnished with a distinct 

 moderately broad grey or brown edge, with numerous middle-sized 



