10 DR. OTTO STAPF ON HALLIERACANTHA, 
Folia elliptica vel elliptico-lanceolata, 2-2:5pl> longiora 
quam lata, costa nervisque tenuibus, 
Petioli ad 5 mm. longi; calyx 4-4-5 mm. longus ...... 14. micropollinia. 
Petioli 10-17 mm. longi; calyx 7-9 mm. longus. 
Folia tenuiter caudato-acuminata ; nervi laterales 
utrinque 6-10; vens tenues, laxe anasto- 
mosante$ ..,............................. 15. caudata. 
Folia acuminata; nervi laterales utrinque. 13-15; 
vena prominule, arcte anastomosantes........ 16. frutescens. 
Folia redacta rotundata, cordato-ovata (imprimis parium 
superiorum) ; herb procumbentes, radicantes. 
Folia normalia oblongo-lanceolata, subacuminata ........ 17. dispar. 
Folia normalia elliptica, apice obtusa. 
Folia normalia basi obtusa, uno latere acuta altero obtusa, 
triste viridia, exsiccata cystolithis granulata........ 18. granulata. 
Folia normalia basi oblique subcordata, nigrescentia, 
bullata, in bullarum centris albo-maculata, exsiccata 
cystolithis striolata ............................ 19. anisophylla. 
1. Hallieracantha hirsuta, Stapf. 
Syn. Ptyssiglottis hirsuta, Hall. f. in Nov. Act. Nat. Cur. vol. Ixx. (1898) 
p. 217, tab. 14. f, 2. 
CENTRAL Вовхко: Upper Kapuas Basin, upper reaches of the Mandae 
River; near Nanda Raun, Hallier, B. 2589, and on Mount Liang Gagang, 
from the foot to 700 m., in damp shady virgin forest, Hallier, В. 2588! 
2. H. auriculata, Stapf. 
Syn. Ptyssiglottis, Hall. f. in Ann. Jard. Buitenz. vol. xiii. (1896) p. 292, 
and in Nov. Act. Nat. Cur. l. с. p. 219, tab. 14. £. 3. 
CENTRAL Borneo: at the foot of Mount K'lamm near Sintang, in shady 
bamboo thickets, Hallier, B. 2291! 
3. H. dulcamarioides, Stapf (sp. nov.). 
Herba, anisophylla in superiore quidem parte sicca viridis vel fusco- vel 
fulvo-viridis. Caulis teres (juniores exsiccando suleati), magis minusve 
anfractus, in lineis e commissuris decurrentibus minutissime fulvo-villosulus. 
Folia petiolata, lanceolata vel oblongo- vel elliptico-lanceolata, sepe obliqua, 
breviter acuminata vel minore вере vix acuminato, basi acuta, majora 
7-10 em. longa, 2-4 cm. lata, minora 15-3 em. longa, 0:6-1 сш. lata vel 
in paribus inferioribus multo maiora, integra, vel obseure undulata, tenuia, 
utrinque glabra, cystolithis minute striolatis, nervis utrinque circiter 6-8 
tenuibus valde prorsus curvatis ; petiolus gracilis, foliorum majorum 1-2 ст. 
longus. Znjlorescentie pedunculo ad 12 mm. longo tenui suffulte, plerumque 
bifurcatee, dense vel laxe bracteate: bracteæ ovato-lanceolatze, acuta, 
l-L:5 mm. long, papilloso-pilosule ; pedicelli tenues, ad 4 mm. longa, 
