364 HORTUS MORTOLENSIS 
The plant figured as A. Scolymus in Gartenwelt is now lost, 
the flowering specimens having produced neither seeds nor 
suckers. It is altogether a different plant, resembling in many 
ways A. crenata. I have not seen it elsewhere, and as it is yet 
undescribed, I give it the name A. calodonta.* 
A. Shawit. 
Was procured in May, 1905, from Mr. C. A. Purpus, who sent 
it from Flagstaff, California. 
A, sisalana. 
This is the plant so much valued and cultivated on a large 
scale in many tropical countries for its strong fibre, the ‘ Sisal 
Hemp.” It is not a variety of A. rigida nor of A. elongata, but 
a distinct species. It succeeds perfectly well at La Mortola, and 
is easily propagated by the many hundreds of bulbils, which each 
plant throws out after having flowered. 
A. spectabilis. 
A very fine species with long linear glaucous leaves, for which 
we are indebted to Prof. Borzi, of the Botanic Garden, Palermo. 
We received it in January, 1901. 
A. spicata Cav.—Kunth, En. v. 828. 
In Kew Bulletin (1892, p. 6) Prof. Baker speaks of this as 
cultivated at La Mortola. The plant is not mentioned in our 
Catalogue of 1897, nor have I been able to discover it in the 
garden. 
A, spiralis. 
This was sent by Mr. C. A. Purpus from California in 1905. 
According to my idea it does not differ from A. decipiens, an 
opinion which is shared by Prof. Trelease. 
A. Terraccianot. 
Was received from the Botanic Garden, Berlin, in July, 1898. 
A plant received from Messrs. Haage & Schmidt as A. maculata 
is evidently the same species. 
A. uncinata. 
This deserves to be considered as a distinct species. Our 
plant agrees with Jacobi’s description and photograph. 
A. Verschaffeltiz. 
A rather variable species, closely allied to A. Scolymus. We 
are indebted for several plants to Mr. A. Purpus, of the Botanic 
Garden, Darmstadt, whose brother, Mr. C. A. Purpus, collected 
them near Puebla, Mexico. 
A. Victorie-Regine var. laxior. 
Was received from Mexico through Messrs. Nabonnand, 
* A. calodonta Berger, n. ca Scolymus Berger (not of Karwinski) in 
Gartenwelt, 1898, ii. p. 603, with figure. 
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