TO LOWER SIAM. 161 



Psilotrichum trichotomum, Bl. Setul. 



Distrib. Assam, Pegu, Borneo, Philippines. 



POLYGONACEjE. 



Polygonum minus, Huds. Bangtaphan (Keith). Setul rice- 

 fields near Batu Bunga. 



Distrib. Palaearctics to Malay peninsula. 



P. barbatum, L. Kedah near Gunong Geriang, Perlis, 

 Chupeng and Tebing Tinggi (14929), Bangtaphanoi 

 (Keith). Distrib. Tropics. 



P. tomentosum, Willd. Perlis, Telok Jambu, Kanga (14928). 



Distrib. Africa to Indo-Malaya. 



P. stagninum, Meissn. Perlis, Tebing Tinggi (14927). Bracts 

 red, flowers white. Distrib. India to Burmah. 



PODOSTEMONACEyE . 



Podostemon algaeformis, Benth ? Bangtaphan, Klong Thong 

 (Keith). 



This is the first species of this order yet met with 

 here. I have sought in vain for any species in the 

 Malay peninsula. 



AEISTOLOCHIACE^. 



Bragantia tomentosa, Bl. Kedah, Bukit Pinang near Alor 

 Sta. Lankawi, Tanjong Sirih and Lankawi island 

 (Curtis). Perlis, Ginting Kabok. 



Distrib. Sylhet, Moulmein, Malay peninsula and 

 Java. 



Nepenthace^e. 



Nepenthes vhyllamph ova, J ack. Lankawi (Md. Aniff). Distrib. 

 Indo-Malaya. 



R. A. Soc, No. 59, I9U. 



*11 



