14 THE FLORA OF MOUNT OPII1IL 



Tahan valley woods and Kota Glanggi (Pahang) dwarf 

 forms, with spotted leaves ; Maxwell's hill (Perak) as 

 also on Mt. Ophir (dwarf form). In Sumatra at Sungei 

 Kelantan, Siak, I found the beautiful silver barred form 

 figured by Korthals, (8,994, 8,968) and Mr. Hullett col- 

 lected a dwarf form similarly coloured at Sungei Bei in 

 Lingga. In Borneo Dr. Haviland collected it at Tawarar, 

 and also in Quop (Sarawak) and I found it at Bongaya in 

 Sandakan. 



Memecylon acuminatum Sm. Shrub, flowers blue. 



M. campahulatum ? Shrub. 



Hi/drocotyle Asiatica L. ( Umbelliferce). The Pegaga occurs near 

 the camping ground where it has evidently been accident- 

 ally introduced. It is however mentioned in Griffith's 

 list. 



Homalium longifolium Benth. Gunong Mering. 



Dendropanax Maingayi King. (Aixrfiacece). A small shrub 1 to 2 

 feet tall with green flowers and grey fruit at length be- 

 coming black. Common. Also occurs in Perak and on 

 Kedah Peak. 



Arthrophyllum pinnatum Clarke. Shrub 3 to 4 feet tall with 

 pinnate leaves. Common. Padang Batu and also above 

 on occurs on Penang Hill and in Perak. 



Argostemma hirta n. sp. (Rubiacete). Herb with a creeping stem 

 ascending for about 6 inches. Leaves numerous unequal 

 one of each pair much larger than the other lanceolate 

 acuminate base inequilateral, 3 inches long 1/2 inch wide, 

 petiole 1/8 inch long ; all covered with long white hairs ; 

 smaller leaf ovate acute 1/4 inch long or less, light green 

 above white beneath. Cyme terminal shorter than the 

 leaves, peduncle 1/2 inch or less, branches few. Calyx 

 lobes lanceolate acuminate 3/8 inch long, all covered 

 with white hairs. Corolla lobes lanceolate acuminate 

 sparsely hispid white. Stamens connivent, anthers nearly 

 1/4 inch long subuHte. Style very slender. Stigma min- 



