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present only five have been identified with any degree of 
certainty, and three of these also occur in Malaya. From Java 
and Sumatra six species have been described: one of these is the 
well-known S. Tieuté, which is related to S. ovalifolia; S. 
monosperma from Java is imperfectly known, and of the other 
four, two oceur in’ each island and form two pairs of closely 
related or representative species. ; 
The Malayan region therefore, including Borneo, Java and 
Sumatra, is the home of some twenty-two different species of the 
genus, none of which is found outside that area. 
In the Kew Bulletin, 1909, pp. 359, 360, four new species 
of Strychnos were described, two being from New Guinea, and 
the number now known from that island has been raised to 
eleven, of which eight have recently been collected by Schlechter 
and by Ledermann, and in addition there is the imperfectly 
known species S. Kerstingii, described in 1901 by Gilg and 
K. Schum. This latter was the first Strychnos to be recorded 
from the island. One of the New Guinea plants occurs also in 
Amboina, and a new species is described from that island in 
the present paper. From the Philippine Islands, S. multiflora, 
Benth., was for many years the only well-authenticated species, 
though S. Zgnatii, whose peculiar seeds rich in strychnine had 
long been an article of commerce, was known ta be a native of 
the islands. Now, thanks to the efforts of Messrs. Elmer and 
Merrill in particular, thirteen species have been described from 
the Archipelago, and doubtless there are several others of which 
we only possess imperfect specimens. From the Celebes, also, 
there are imperfect specimens preserved in our herbaria 
identified as the typical species throughout Burma to Siam and 
French Indo-China. 
The genus is richly represented in Siam and Cochin-China, 
and there appear to be many imperfectly known species. We 
owe to Pierre the discovery of some seven new species in Cochin- 
China, and Dop enumerates thirteen species from the French 
possessions in Indo-China. In the present account the number 
of species from Cochin-China is fifteen, four new species being 
described, for it has been found that Dop was incorrect in 
assigning two plants to the Malayan species S. Ridleyi and 
S. pubescens, and was really dealing with two undescribed 
species, and also oe under S. Gautheriana three different 
i d 
species were included. : 
“TR. it js * . 
From Siam we now know five species, and the species from 
also a peculiar species, imperfectly known, whose affinities 
appear to be with Tenasserim. Two endemic species long 
