' 
EUCALYPTUS TREES, 441 
Agaves. Moreover, all these plants are decorative, 
and live in the poorest soil, even in drifting coast- 
sand. They are also not hurt, as in the case with the 
Fourcroyas, 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. 
Zalaeca 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 con- 
cluded. Martius enumerated as belonging to the bo- 
real extra- tropic zone in Asia: from Silhet, at 24° 
N. L.: Calamus erectus, Roxb. ; C. extensus, Roxb. ; 
C. quinquenervius, Roxb. ;—from Garo, at 26° N. L.: 
Wallichia caryotoides, Roxb.; Ptychosperma gracilis, 
Mig. ; Caryota urens, L. ; Calamus leptospadix, Griff. ; 
— from Khrsya, in 26° N. L.: Calamus acanthospa- 
thus, Griff. ; C. macrospathus, Griff. ; Plectocomia 
Khasyana, Griff. ;— from Assam, about 27° N. L.: 
Areca Nagensis, Griff.; A. triandra, Roxb. ; Livisto- 
na Jenkinsii, Griff.; Deemonorops nutantiflorus, Griff. ; 
D. Jenkinsii, Griff.; D. Guruba, Mart. ; Plectocomia 
Assamica, Griff.; Calamus tenuis, Roxb. ; C. Flagel- 
lum, Griff.; C. heliotropium, Hamilt.; C. floribun- 
dus, Griff.; Phoenix Ouseloyana, Griff ;— from Upper 
Assam, between 28° and 29° N. L.: Caryota obtusa, 
Griff.; Zalacea secunda, Griff. ; Calamus Mishmelen- 
sis, Griff.; — from Darjiling, at 27° N. L. : Wallichia 
obtusifolia, Griff.; Licuala peltata, Roxb. ; Plectoco- 
