THE AROIDS OF BORNEO. 173 



long, 3 inches wide, primary nerves 6 or 7 pairs, not very 

 district Peduncle 4 inches lung* more slender than the 

 petiole, Spathe 2 inches long constricted above the female 

 inflorescence, swollen basal part longer than the nar- 

 rower upper part. 



Sarawak Bidi (Ridley 11714). 



Endemic. 



H. Borneensis, n. sp. Stem stout petiole 7-7^ inches long sheath- 

 ing about half its length, blade ovate base broad rounded, 

 apex cuspidate, nerves 8 pairs conspicuous on the under 

 surface, alternate 8 inches long, 6 inches, wide. Pedun- 

 cle 6 inches long, Spathe 4 inches long, constricted above 

 the middle thick nearly an inch through below, blade 

 shortly cuspidate. Spadix rather slender, male portion l£ 

 inch long white, upper part of female nude or with scat- 

 tered female flowers, 1 inch long. 



Sarawak Kuching (Ridley). 



Endemic- near//, sagittifolia Jungh. but the leaves are 

 not at all cordate. 



H. aromatica, var. cordata Schott. 



Sarawak. (Beccari), Kwala Kapuas, (Grabowski) 

 (Engler Malesia 282). 



These plants are probably H. caerulescens Jungh, a 



common Malay peninsula and Javanese plant, but it is 



possible that this species is only a form of Roxburgh's 



* H. aromatica which is only recorded from Tencasserim 



and Chittageng. 



//. Havilandi, n.sp. • 



Petiole slender 6 to 8 inches long very shortly sheath- 

 ing, blade ovate with a broad indented base, hardly 

 cordate apex cuspidate 8-10 inches long 5-6^ inches wide, 

 nerves very unnumerous fine and inconspicuous. Pedun- 

 cle slender 5-6 inches long, spathe narrow 2 inches long \ 

 inch wide slightly constricted above the female portion. 

 Male portion slender 1^ inch long. Female shorter \ inch. 



R. A. Soc, No U, 1005. 



