384 WOODY PLANTS OF MASSACHUSETTS. 
ance of varnish. 'The rose bay of Mount Caucasus has lilac- 
colored flowers; the Golden-flowered, R. chrysanihum, a low 
shrub with flowers of citron yellow with orange dots, is spread 
extensively in Russia and Siberia, where a decoction of its 
leaves is a celebrated remedy for rheumatism and affections of 
the skin. In small doses, it is sudorific; in large, poisonous. 
The Daourian and the Kamtschatka rose bays, very low shrubs 
with rose-colored flowers, and the Chinese, R. ’ndicum, of pur- 
ple, flesh-color, rose, white or yellow, are, with all those above- 
mentioned and some others, cultivated in Europe and in this 
country. The species indigenous to the United States are the 
American Purple, R. purpureum, the Catawba, the Dotted, R. 
punctatum, all which are much cultivated and highly prized ; 
Pursh’s, the Lapland,—and the American, #. mdaztamnum, one 
of the most beautiful, and the only true rhododendron found 
growing spontaneously in Massachusetts. The leaves of the 
Bell-flower Rose Bay, R. campdnulatum, are used as snuff by 
the natives of India. The same use is made of the leaves of 
A. maximum in this country; and the snuff is considered effica- 
cious in catarrhs and other affections of the head. The rhodo- 
dendron has a five-parted calyx; a five-lobed (rarely seven- 
lobed) corolla which is funnel-shaped, bell-shaped, or rarely 
wheel-shaped, with the limb either equal or somewhat two- 
lipped, the upper lip being broadest and usually spotted. The 
Stamens are five or ten, (rarely six to nine, or fourteen,) free 
from the corolla and commonly declined and projecting; with 
anthers opening by two oblique, terminal pores. The ovary 
has five or ten cells, with many ovules in each. The capsule is 
five-celled, five-valved, rarely ten-celled, ten-valved; the secds 
numerous, compressed, winged, attached to the central axis. 
Tue Common American Rosk Bay. Dwarr Roser Bay. 
R. macimumnm. L. 
Figured in Bigelow’s Medical Botany, Plate 51; in Audubon’s Birds, IT, 
Plate 103; and in Michaux, Sylva, II, Plate 67. 
The rose bay, as it occurs growing spontaneously in this 
State, is a low, spreading plant, with its lower branches lying 
