426 TRELEASE— THE DESERT GROUP NOLIXE.E. [April 21, 



Bcancarnca longifolia Baker, Joiirn. Bot. 10: 324. 1872. 



Trunk 2-3 ni. high, swollen at base, at length closely few- 

 branched at top. Leaves 20-30 mm. wide, very long ^ 

 and recurving over the trunk; green. Inflorescence 

 nearly sessile with divisions 30 cm. long and lower 

 branchlets scarcely one-fifth as long. Fruit sub- 

 orbicular or rather depressed, large. 8 X 10-12 mm. Seed 3X4 

 mm. — PI. 5, 8, 7j. 



South-central Mexico. In the region of Dasylirioii scrratifoliiiiii. 

 The type locality is given as San Jose del Oro by Schultes, on 

 authority of Karwinski. Roezl gives its occurrence at about 3.000 

 m. altitude in Puebla. Oaxaca and Mexico. 



Specimens examined: Oaxaca. Huachilla (Co;/.c'a///). Puebla. 

 Esperanza {Pnrpus, 30//, A, ?30/6, l^oyS). San Luis Tultitlanapa 

 (Purpiis, 4^2, 1907, 5oyg, B, 1908). Cultivated. Munich Botan- 

 ical Garden, from Karwinski's seed (Radlkofcr^igoi, — semi-typical). 

 Palermo Botanical Garden {Trclcasc, /, 1905). Bushey House 

 Gardens {Blake, 1909). 



Certain questionable thin- but narrow-leaved forms grown in gar- 

 dens under this name, or, in a glaucous form, as var. glanca or as 

 Pinccncctitia ijlauca, appear to be forms of Bcancarnca. 



Calibanus. 

 Rose, Contr. U. S. Nat. Herb. 10: 90. 1906. — Monotypic, based 

 on the species figured by Hooker for Dasylirinni Hartwcgianu}ii. 



Calibanus Hookerii Trelease. 



Dasylirium Harfwcgiannni Hooker, Bot. Mag. iii. 15. pi. jOQp. 



1859. 

 D. Hookerii Lemaire, 111. Hort. 6. misc. p. 24. 1859. 

 D. cacspitosnin Scheidweiler, Wochcnschr. A'erein Befcird. Gar- 



tenbau. 4: 286. 1861. 

 D. Hookcri Lemaire, 111. Hort. 12. misc. p. 52. 1865. 

 ?D. flexile Koch, Ind. Sem. Berol. 1867. Append, i : 5. 

 Beaucarnea Hookcri Baker. Journ. Bot. 10: 327. 1872. 

 Calibauns cacspitosns Rose, Contr. IJ. S. Xat. Herb. 10: 90. /. 4. 



pi. 2 4- J. 1906. 



