16 DR. OTTO STAPF ON HALLIERACANTHA, 
subeequilongum attenuata, eo incluso 14-16 mm. longa, superne papillosa. 
Semina 3 mm. longa, minute rugulosa vel scabra. 
SARAWAK : Mt. Koum, Haviland, 1717! 
15. H. caudata, Stapf (sp. nov.). 
Herba ob folium alterum uniuscuiusque paris rudimentarium subulatum 
specie alternifolium, sicca nigricans vel fere atra. Caulis teres, lineis binis e 
commissuris decurrentibus tenuibus tenuissime puberulis exceptis glaber. 
Folia normalia petiolata, elliptico-lanceolata vel oblonga, apice caudato- 
acuminata, basi acuta, 13-18 cm. longa, 3:5-8 em. lata, utrinque glabra, 
cystolithis minute striolata, nervis lateralibus utrinque 6-10, valde prorsus 
curvatis ; petiolus ad 1 em. longus, glaber. —/nfforescentie interdum etiam ex 
axillis foliorum rudimentariorum, subsessiles, solitariæ vel plures ex eadem 
axilla, ob bracteas densissime imbricatas strobiliformes ; bracteze ovate, acute, 
glabree, 1-1-5 mm. longe ; pedicelli vix ulli vel ad 3 mm. longi. Calyx fere 
ad basin 5-partitus, 7-9 mm. longus, nigricans, glaber ; segmenta linearia, 
0775-1 mm. lata, etiam in fructu plana, acuminata. Corolla ad 17 mm. longa, 
extus superne parce papillosula ; tubus 12 mm. longus ; labium superum late 
ovatum, emarginatum ; labium inferum supremum zequans, breviter 3-lobum, 
lobis lateralibus ovatis, intermedio rotundato latissimo paulo breviore. Stami- 
пит thecæ æquales, subæqualiter affixze, oblong, obtuse. Pollen 49-53 m 
longus, 36-39 ш diametro, plicis accessoriis utrinque singulis, exinio tenuissime 
punctato. Capsula oblonga, subacuminata, in stipitem  subsequilongum 
attenuata, eo incluso circiter 18 mm. longa, glabra. Semina 3 mm. longa, 
minute scrobiculata. 
SARAWAK : at the foot of Mount Gading, north of Lundu, Hariland, 
988! 
16. H. frutescens, Stapf. 
Syn. Ptyssiglottis frutescens, Hall. f. in Nov. Act. Nat. Cur. vol. lxx. 
(1898) p. 222, tab. 16. fig. 2. 
CENTRAL Borneo: Upper Kapuas Basin, on Mount Gagang in high forest, 
Hallier, 2831, 3071! 
West BonxEo : on Mount Biang, near the Kapuas River, Teysmann, 7920. 
B > 267 
17. H. dispar, Stapf. 
Syn. Ptyssiglottis dispar, Hall. f. l. с. p. 220, tab. 15. fig. 4. 
West Borneo: Landak, near Ngabang, Teysmann, 11495. 
18. H. granulata, Stapf (sp. nov.). 
Herba humilis, procumbens vel e basi prostrata ascendens, sicca. viridis, in 
parte superiore eximie anisophylla. — Cawlis superne villosulo-pubescens, 
