254 JACK'S LETTEES TO WALLICH, 1819-1821. 



LYTHRACEAE. 



Pemphis acidula, Forst. A sea-shore plant of the 



tropics of the Old World found by Jack in Singapore (letters 

 p. 178). 



Lagerstroemia floribunda, Jack, was described from 

 Penang in the Malay. Misc. i. No. 5, p. 38. 



BEGONIACEAE. 



Begonia caespitosa, Jack, described from Bencoolen in 



the Malay. Misc. ii. No. 7, p. 8. 



Begonia bracteata, Jack, described from the foot of 

 Gunong Bengkok in the Malay. Misc. ii. No. 1, p. 13. In his 

 letters (p. 234) he names Bengonias as found on this trip. 



Begonia fasciculata, Jack, described from Tapanuli, 

 Sumatra, in the Malay. Misc. ii. No. 7, p. 12. 



Begonia isoptera, Dryand., was described by Jack from 

 Sumatra under the name of Begonia geniculata (Malay. Misc. 

 ii. No. 7, p. 15. 



Begonia orbiculata, Jack, described from Bencoolen in 

 the Malay. Misc. ii. No. 7, p. 9. 



Begonia pilosa, Jack, was described from the country 

 behind Bencoolen in the Malay. Misc. ii. Xo. 7, p. 13. 



Begonia racemosa, Jack, was described from Bencoolen 

 in the Malay. Misc. ii. No. 7, p. 14. 



Begonia sublobata, Jack, was described from Pulau 

 Penang, West Sumatra, in the Malay. Misc. ii. No. 7, p. 16. 



UMBELLIFERAE. 



Hydrocotyle asiatica, Linn., was sent by Jack to Wal- 

 lich from Penang and appears under No. 566 on Walliclr's 

 Catalogue. 



ARALIACEAE. 



Jack in his letters (p. 236) mentions Araliaceae from 

 Sumatra. 



RUBIACEAE. 



Vncaria Gambier, Roxb., is mentioned by Jack as freely 

 cultivated in Singapore, but not seen in Penang (letters p. 

 178). 



Uncara Ianosa, Wall., may well be the Penang plant 

 mentioned in Jack's letters (p. 196). 



Greenea Jackii W. & A., is the Rondoletia corymoosa, 

 described by Jack in the Malay. Misc. i. No. 1, p. 4 from 

 Penang. 



Ophiorrhiza heterophylla, Jack, was described in the 

 Malay Misc. ii (1822), N"o. 7, p. 85, from the neighbourhood 

 of Bencoolen. 



Jour. Straits Branch 



