417 



they furnish a fibre of great strength, similar to that of the 

 Agaves. Moreover all these plants are decorative, and live 

 in the poorest soil, even in drifting coast-sand. They are 

 also not hurt, as is the case with the Pourcroyas, by the 

 frosts of our lowlands. Among the species with stems of 

 several feet in height may be recorded Y. gloriosa, L. and 

 Y aloifolia, L., both from the sandy south coast of North 

 America. 



Zalacca secunda, Griffith. 



Assam, as far north as 28°. A stemless Palm with large 

 feathery leaves, exquisitely adapted for decorative purposes. 

 Before we finally quit the Asiatic Palms we may yet learn 

 from Von Martius's great work, how many extra-tropic 

 members of this princely order were known in 1850 already, 

 when that masterly work was concluded. Martius enume- 

 rates as belonging to the boreal extra-tropic zone in Asia : 

 Prom Silhet at 24° N.L. : Calamus erectus, Eoxb. ; C. 

 extensus, Eoxb. ; C. quinqueneroius, Eoxb. ; — from Garo at 

 26° N.L. : Wallichia caryotoides, Pvoxb. ; Ptychosperma 

 gracilis, Miq. ; Garyota urens, L. ; Calamus leptospadix, 

 Griff. ; — from Khasya in 26° N.L. : Calamus acanthospathus, 

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

 Griff. ; — from Assam about 27° N.L. : Areca Nagensis, 

 Griff. ; A. triandra, Poxb. ; Livistona JenJcinsii, Griff. ; 

 Daemonorops nutantiflorus, Griff. ; D. JenJcinsii, Griff. ; D. 

 Guruba, Mart. ; Plectocomia Assamica, Griff. ; Calamus 

 tenuis, Eoxb. ; C. Flagellum, Griff. ; C, Pleliotropium, 

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

 from Upper Assam between 28° and 29° N.L. : Caryota 

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

 Griff. ; — from Darjiling at 27° N.L. : Wallichia obtusifolia, 

 Griff. ; Licuala peltata, Eoxb. ; Plectocomia Himalaiana, 

 Griff. ; Calamus schizospathus, Griff. ;• — from Nepaul between 

 28° and 29° N.L. : Chamaerops Martiana, "Wall. ; — from 

 Guhrval in 30° N.L. : Calamus Poyleanus, Griff. ; — from 

 Saharampoor in 30° N.L. : Borassus' jlabelliformis, L. ;■ — 

 from Duab in 31° N.L. : Phoenix silvestris, Poxb. ; — from 



