180 AN ACCOUNT OF A BOTANICAL EXPEDITION 



Adenochlaena siamensis, n. sp. 



Shrub 3 to 5 feet tall. Leaves alternate, lanceolate, 

 acuminate, base rounded, margins strongly and coarsely 

 toothed, above glabrous, drying black beneath, densely 

 white stellate tomentose penninerved 5 to 9 pairs of nerves, 

 7 inches long, 4 inches wide, subpeltate, petiole 1-2| inch 

 long, geninulate, densely stellate, woolly, Stem densely 

 woolly. Male inflorescence of one or more small capitula, 

 on short (i inch) stout axillary peduncles, densely woolly. 

 Capitulum J inch through of many sessile flowers. Sepals 

 4, ovate, acute* hairy. Stamens 4, glabrous, filaments longer 

 than the sepals. Anthers elliptic 2 celled. Pistillode 

 cylindric obtuse, glabrous, half as long as the filaments. 



Terutau (Curtis, 2112) ; Perlis dense thickets by lime- 

 stone rocks near Ginting Kabok ; Bangtaphan (Keith). 



The genus not previously recorded from the peninsula 

 but occurring in India and Malay islands. 



Mallotas barbatus, Muell. Kedah Alor Sta. 



Distrib. Tenasserim, Malay peninsula to Singapore 

 Concan and Java. 



M. macrostachyus, Muell. Trang (Fox). 



Distrib. Malay peninsula and Islands. 

 M. Helferi, Muell. ? Perlis, Tebing Tinggi (14898). 



Distrib. Tenasserim to Malacca. 



M. floribundus, Muell. Setul, Bukit Rajah Wang (14935). 

 Bangtaphan (Keith). 



Distrib. Tenasserim, Malay peninsula, Cochin-China 

 and Malay islands to Celebes, Samoa. 

 M. subpcltatus Muell. Perlis, Tebing Tinggi, Lankawi, Burau 

 (Ridley). 



Distrib. Malay peninsula, Sumatra, Java. 

 M. Griffithianus, Hook, fib? Lankawi (Curtis, 2656). 

 Distrib. Malay peninsula. 



Jour. Straits Branch 



