in Extra-Tropical Countries. 409 



Yucca Guatemalensis, Baker. 



Mexico and Guatemala. Acquires finally a height of about 20 

 feet. Regarding the specific characteristics of the various Yuccas 

 see particularly Baker's descriptions in the journal of the Linn. Soc. 

 1880. 



Yucca Treculiana, Carriere, 



From Texas to Mexico. Stem to about 50 feet high, branched 

 only near the summit. Grand in aspect and also most showy on 

 account of its vast number of white flowers of porcelain-lustre. The 

 fruit tastes like that of the Papaw (Lindheimer). 



Yucca Yucatana, Engelmann. 



Mexico. This species attains a height of about 25 feet, branching 

 from the base. Y. canaliculata (ETooker) ranges from Texas to North- 

 Mexico, and has a stem up to 25 feet high, with very long leaves. 



Zalacca secunda, Griffith. 



Assam, as far north as 28. A stemless palm with large feathery 

 leaves, exquisitely adapted for decorative purposes. Before we quit 

 the Asiatic palms, we may learn from Von Martius' great work, 

 how many extra-tropical members of this princely order were already 

 known in 1850, when that masterly publication was concluded. 

 Martius enumerates as belonging to the boreal extra-tropical zone 

 in Asia; From Silhet at 24 north latitude: Calamus erectus, Roxb.; 

 C. extensus, Roxb. ; C. quinquenervius, Roxb. ; from Garo at 

 26 s north latitude: Wallichia caryotoides, Roxb.; Ptychosperma 

 gracilis, Miq.; Caryota urens, L.; Calamus leptospadix, Griff.; 

 from Khasya, in 26 north latitude : Calamus acanthospathus, Griff. ; 



C. macrospathus, Griff. ; Plectocomia Khasyana, Griff. ; from 

 Assam, about 27 north latitude: Areca Nagensis, Griff.; A. triandra, 

 Roxb.; Livistona Jenkinsii, Griff.; Daemonorops nutantiflorus, Griff.; 



D. Jenkinsii, Griff.; D. Guruba, Mart.; Plectocomia Assamica, 

 Griff.; Calamus tenuis, Roxb.; C. Flagellum, Griff.; C. Heliotro- 

 pium, Hamilt.; C. floribundus, Griff.; Phoenix Ouseloyana, Griff.; 

 -from Upper Assam, between 28 and 29 north latitude: Caryota 

 obtusa, Griff.; Zalacca secunda, Griff.; Calamus Mishmelensis, 

 Griff.; -from Darjiling, at 27 north latitude: Wallichia obtusi- 

 folia, Griff.; Licuala peltata, Roxb.; Plectocomia Himalaiana, Griff.; 

 Calamus schizospathus, Griff.; -from Nepal, between 28 and 29 

 north latitude: Chamaerops Martiana, Wall.; from Guhrvall, in 

 30 north latitude: Calamus Royleanus, Griff.; -from Saharanpoor, 

 in 30 north latitude: Borassus flabelliformis, L.; -from Duab, in 

 31 north latitude: Phoenix sylvestris, Roxb.; -from Kheree, in 30 

 north latitude: Phoenix humilis, Royle; -from Dekan: Bentinckia 

 Coddapanna, Berry, at an elevation of 4,000 feet. Miquel mentions 

 as palms of Japan (entirely extra-tropical): Rhapis flabelliformis, 

 Aiton; R. humilis, Bltime; Chamaerops excelsa, Thunb.; Livistona 

 Chinensis, Br. and Arenga saccharifera, Labill., or a species closely 

 allied to that palm. 



