(7) OSTENFELD. PLANTS COLLKCTED IN THE KAHENG DISTRICT, UPPER S1AM 715 



so unusual, that it may be easy to identify it also when sterile. The leaves 

 are 7-9 cm. long, 5-6 cm. broad, obcordate with a deep sinus at the tip, 

 broadest in the upper part and gradually narrowing towards the cuneate basis, 

 very fleshy ; nerves not visible when dry ; peduncle short thick. 

 Along the river from Long Isorn to Nong Boa (No. 42). 



CONVOLVULACE^ 



Hook, f., Fl. Brit. Ind., IV. 179. 



28. Ipomaea vitifolia Sweet; Hook, f., I. c, 213. 

 Riverbank near Wang Chow (No. 74) ; flowers yellow. 



SOLANACE^ 



Hook, f., Fl. Brit. Ind., IV, 228. 



29. Solanum melongena L. ; Hook, f., 1. c, 235 ; S. ovigerum Dunal, in 

 Decand., Prodromus, XIII. I. 357. 



Cultivated and escaped from cultivation ; flowers blue. 

 Long Isom (No. 38) 



30. S. album Loureiro ; Dunal, 1. c 361. 



A common weed in open places in woods; flowers pink. 

 Long Isom (No. 37). 



31. Datura fastuosa L. ; Hook, f., 1. c, 242. (var. alba (Nées) Clarke). 

 A weed; flowers white. 



Long Isom (No. 40). 



SCROPHULARIACEvE 



Hook, f., Fl. Brit. Ind., IV, 246. 



32. Limnophila diffusa Benth. ; Hook, f., 1. c. 266. 

 Near Tapolsah ; marshy places (No. 21) ; flowers blue. 



33. Vandellia molluginoides Benth.; Hook, f., 1. c, 279. 

 Near Tapotsah (No. 25). 



34. V. Hookeri Clarke, Hook, f., 1. c, 280. 

 Near Tapotsah (No. 18). 



35. Bonnaya brachiata Link et Otto; Hook, f., 1. c, 28't. 

 Near Tapotsah (No. 25). 



36. Scoparia dulcis L. ; Hook, f., 1. c, 289. 

 Near Tapotsah (No. 18) ; common. 



37. Buchnera cruciata Harn., Hook, f., 1. c, 298. 

 Near Tapolsah (No. 8) ; flowers white. 



