267 
been able to get any description of. The young shoots contain a very 
fine strong, white, silky fibre. My specimens were also collected on 
unong Batu Puteh. The bark of the roots, which is та pale 
yellow in colour, is the part of the plant which is employed in makin 
the poison. This arrow poison is said not to be so strong as Antiaris, 
but to be quite capable of killing when used by itself. 
— part is called Jampong and is de: a climbing species of 
Stryc Ано It has opposite, ы veined leaves like ipoh aker only they 
are oii dirably smaller, and is stated to have similar fruit, but it grows 
lower down on the hills, my specimens being collected on the Chero 
hills. Like the two preceding plants, the bark ‘of the roots, which is white, 
is the part from which the poison is extrac racted. It is said to be not so 
is treated. 
It was stated by the Sakais that erede and ipoh aker are rarely if 
ever mixed with one another. The r poison is said to retain its 
virulence, i in the form of an extract, ke E 
pecimens of the roots of these three plants and the extracts prepared 
from them, are forwarded with the other specimens, so that their toxic 
effects may be tried in England. 
L. Wray, JUNR., МЛІ.Е.Е., Е. 
Curator, Perak Government Museum 
Thaipeng, August 30, 1891. and State Geologist. 
The following specimens were ime by Mr. Wray of the plants used 
in the preparation of arrow poi n Perak. They have been deter- 
mined ру Dr. Stapf, Assistant for. India in the Herbarium of the Hoyal 
Garden 
1. Ipoh leaves. Bottom branch of a large tree. Cheroh, Batang 
ang. 
Antiaris toxicaria, Lesch. 
2. Lampong leaves. Climber from Gunong Batu Puteh, Batang 
Padang. 
Strychnos Maingayi, Clarke (?), 
3. Ipoh Aker leaves. Climber from Gunong Batu Puteh, Batang 
ng. | 
Strychnos sp., closely allied to 5. Maingayi, and probubly only a 
different state of it. 
4. Prual leaves. Climber from Gunong Batu Puteh, Batang 
Padang. 
Rubiacea, possibly a Lasianthus or Urophyllum. 
5. Ipoh leaves. Young tree. Ulu Selama. 
Antiaris toxicaria, Lesch. 
6. ре leaves. Upper branch of а large tree. 
gue тод. 
