JACK'S LETTEES TO WALLICH, 1819-1821. 257 



Pentaphragma begoniaefolium, Wall., was obtained by 

 Jack in Penang, and described in the Malay. Misc. i. No. 1, p. 

 5 as Plujteumii begonifolium. It is mentioned in his letters 

 (p. 165)'. 



YACCINIACEAE. 



Vaccinium sumatranum, Jack, described in the Malay. 

 Misc. ii. Xo. 1, p. IS was obtained from the summit of Gunong 

 Bengkok. It is mentioned in his letters (p. 231). 



ERICACEAE. 



Rhododendron malayanum, Jack was described in the 

 Malay. Misc. ii. Xo. 7, p. IT, from the summit of Gunong 

 Bengkok and is mentioned in his letters (p. 231:). 



EPACRIDACEAE. 



Leucopogon malayanus, Jack, was described in the 



Malay. Misc. i. Xo. 5, p. 26, from Singapore; and it is men- 

 tioned under the name of Stypltelia in his letters (pp. 218 and 

 219). 



MYRSINACEAE. 



Embelia canescens, Jack, was described in Carey's and 

 Wallich's revision of Boxburgh's Flora Indica ii. p. 292 from 

 Penang and the specimens became Xo. 2311 of Wallich's Cata- 

 logue. 



Ardisia divergens, Boxb., is mentioned as a Penang 

 plant in Jack's letters (196) and is the .1. punctata of 

 Jack in Carey and Wallich's revision of Boxlmrgh's Flora 

 Indica ii. p. 2T5. 



Ardisia javanica, A.DC, (.1. humilis, Vahl) is men- 

 tioned in Jack's letters as a Penang plant (p. 175) under 

 the name of Ardisia umbellata of Boxb., and on p. ^ 78 as a 

 Singapore plant. 



Aegiceras majus, Gaertn., is mentioned as a Penang 

 plant in Jack's letters (p. 190).. 



SAPOTACEAE. 



Sideroxylon sp. Jack informed Wallich (letters p. 222) 

 that he had found the Australian Sersalisia obovata on the west 

 coast of Sumatra ; but this must have been a mistake, some 

 Malayan Sideroxylon deceiving him. 



Mimusops sp. Under the name of M. Kauki, Jack 

 recorded the finding of a Mimusops in Penang (letters p. 153). 



STYRACEAE. 



Styrax Benzoin, Dryand., the source of Gum Benjamin, 

 is mentioned in Jack's letters (p. 198) as a plant of the 

 country behind Tapanuli, Sumatra. 



R. A. Soc, No. 73, 1916. 



