176 THE AR01DS OF BORNEO 



II. crassinervia, n. sp. 



Petioles stout 6 inches long, sheathing for more than 

 half their length, blade lanceolate acuminate base un- 

 equal narrowed 11 inches long 3 inches wide, keel. thick 

 primary nerves about 20 pairs, secondary nerves very 

 numerous with short transverse bars. Peduncle 3 inches 

 long, spathe 3 inches long, constricted a little above the 

 middle lower part broad and thick limb of spathe with a 

 cusp | inch long spadix 2-J inches long. Male 1 inch 

 portion rather slender cylindric. Stamens moderately 

 large, a short narrowed portion of abortive flowers bet- 

 ween that and the female portion. Pistils in about 20 

 whorls. 



Sarawak. Matang (Ridley). Endemic. 



H lancea, n. sp. 



Stem short. Leaves few petiole slender 6-8 inches 

 long, sheathing from 2-3 inches blade lanceolate acumi- 

 nate with a long point narrowed at the base into the 

 petiole 7 inches long, 1^ inches wide rather their nerves 

 ascending rather distant 5 pairs distinct on the lower 

 surface, alternate, no visible transverse reticulations. 

 Peduncle 4 inches long rather slender. Spathe thick 2 

 inches long constricted above the female part of spadix, 

 rather more than -J its length, tip shortly cuspidate male 

 portion of spadix rather slender, anthers small. 



Sarawak, Matang (Ridley). Endemic. 



II. ovata, Engler. Sarawak (Beccari). 



H. subcordata. Engler. Sarawak (Beccari). 



H. punctnlata, Engler. Sarawak (Beccari). 



H. (§ chamcecladon) pumila, var. purpurascens. Chamcecladon 

 pygmaeum, Engl. ? 



Borneo (Korthals) ; Sarawak, Matang (Ridley) ; S. 

 Borneo, Kapuas (Grabowski). 



Jour. Straits Branch 



