and having a few blood-red streaks at the base. The labellum is large, square and 
flat, creamy white in colour, with two large blotches of reddish-crimson towards 
the base. They appear in midsummer. Al. B1. Cl. D1. E2. (or 4 or 5) (eb) Fl. 
DENDROBIUM ALBUM. Native of Nilgiri Hills. 
Pseudobulbs about 20 inches long and pendulous, fairly slender. Leaves remain 
on the newly matured stems until after flowering. Flowers are produced, gen- 
erally, in pairs, sometimes in threes, on short racemes. The flowers are about 14 
inches across, the labellum being rather shorter than the sepals and petals. Sepals 
and petals creamy white, with a greenish tinge, the labellum being white with a 
yellow disk. They appear in early Autumn. (Syn. Dend. aquem). A4. B2. C3. 
D2. (E I) or (2 lea) Ps. 
DENDROBIUM AMBOINENSE. Native of Amboina. 
A Moluccan species with large spider-like blooms very like the native Dend. tet- 
ragonum in form, but larger and brighter in colour. Pseudobulbs about 10 inches 
tall, generally erect, but sometimes pendulous, usually round, but tetragonal in 
some varieties. Leaves about three inches long and one inch wide, oblong, but 
sharply pointed. Racemes are short and usually two flowered. Sepals and petals 
three inches in length, and about } of an inch in width. They are whitish in 
colour. The labellum is about 3 of an inch in length, and is three-lobed, the 
middle lobe being acutely pointed, and the side lobes curving inwards. It is 
golden in colour, the edges being purple, and there are two purple blotches at the 
base of the middle lobe. A2. B1. C1. D1. El or 5. (ea) F3. 
DENDROBIUM AMETHYSTOGLOSSUM. Native of Philippine Islands. 
A dainty species with long, erect stems 20 to 30 inches in height, cylindrical in 
shape, and about } of an inch in thickness when matured. It is deciduous, the 
flowers appearing after the leaves have fallen. It has pendulous racemes 5 to 6 
inches in length, carrying a number of flowers, the dorsal sepal and the petals 
being about 3 of an inch in length, and about 3 of an inch in width; the dorsal 
sepal being about 1} inches long. The labellum is larger than the petals by about 
4 of an inch in width. The sepals and petals are snowy white, the labellum being 
purple at the tip. The flowers appear in early Spring. Al. B1. Cl. D2. El. (eb) F4. 
DENDROBIUM AMOENUM. Native of Sikkim. 
A cool growing species from 5000 feet up the lower slopes of the Himalayas. The 
stems are slender, up to about 20 inches in length, and pendulous. The leaves are 
about 34 inches long, narrow, sharply pointed, and somewhat wavy. The 
plant is deciduous, the short racemes appearing from the upper nodes after the 
leaves have fallen. Sometimes one, but often two, and occasionally three blooms 
are borne on each raceme. The sepals and petals are about } inch in length, the 
dorsal being slightly longer. The labellum is large and trumpet-shaped. The 
sepals and petals are pure white, tipped with purple. The labellum is amethyst, 
coloured at the front with a white margin and a yellow blotch, the throat is 
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