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R. coccinea , Lour. Native of Cochin China and China. 
R. imschootiann , Rolfe. Native ol Assam. 
The only others are R. bilingu is, Rchb. f. of Borneo, R. sulingi, 
of Java and R. trichoglottis , Rid I. of Borneo. 
The plant commonly called Renanthera Lowii , does not reailv 
belong to this genus. 
R. arachnites , Lind, is the largest and strongest grower and a 
very regular fiowerer. The flower sprays are large and the flowers 
3 inches across, the largest in the. genus, the sepals and petals are 
green with blotches of brown, the lip white. 
From its curved lateral sepals and straight upper one, it has ob- 
tained the name of scorpion orchid, as it vaguely re-calls the ap- 
pearance of that creature. It lias a strong scent of musk emitted 
from the tip of the upper sepal, which is curved back. It flowers 
twice or oftener a year, January and July, and occasionally fruits. 
R . Maingayi , Hook. fil. is nearly as big a plant, but the leaves 
are more flaccid. The panicles are usually large and loose and the 
flowers distant, quite scentless of a similar shape to those of the 
previous species, and nearly as large, the ground colour white or 
pinkish white, with numerous blotches of shrimp-pink. In some 
forms the flowers are almost suffused entirely with dark pink. It 
is a very beautiful species, but a much shyer fiowerer. Very fine 
sprays however are often to be seen m Singapore Gardens. 
R. alba , Ridl. was test met with by myself climbing over 
bushes in hot open sandy country in Pahang. It occurs in many 
places in the Peninsula especially near the sea I have seen it in 
immense abundance climbing over low trees in an island near 
Singapore, and emitting so many of its long roots that they formed 
a curtain that had to be cut through before one could get through 
the bushes. It is rather shorter in the stem than the preceding 
species, and somewhat brittle. The leaves are more fleshy and 
rigid and often minutely toothed at the base, especially in plants 
grown in full sun. * The flowers are smaller than those of R. main- 
gayi , in a loose panicle, or a spike in small plants. They are white. 
R. matutina , Lindl. is a plant of much lower habit one or two 
feet tall with speckled stems and narrow ligulate leaves, rather stiff. 
The sprays about 8 or 9 inches long, the flowers about 20 scattered 
rather narrow, red or orange spotted with darker colour, the lip 
white with a central red spot. It grows usually on rocks, and does 
not seem to be a very easy plant to cultivate. It appears to be 
rare in the Peninsula, but has been found by Wray, in Perak, and 
by myself also on rocks in forest on Bujong Malacca. It seems to 
be commoner in Borneo. 
R. micrantha , Lindl. is often to be found on rocks overhang- 
ing the sea, all over the Peninsula. The stems are lolerably stout 
about 10 or 12 feet long, the leaves short and broad usually blotched 
with red the flower sprays are about a fool or more long, with hori- 
zontal branches densely covered with very small deep red flowers 
