12 DR. OTTO STAPF ON HALLIERACANTHA, 
plerumque bifurcatze, sæpe laxæ, ramis ad 12 mm. longis vel brevibus, inter- 
nodiis 1-4 mm. longis ; bracteze lanceolate, acutz, 1-13 mm. long, virides, 
glabro ; pedicelli ad 3:5 mm. longi. Сайа fere ad basin 5-partitus, ad 5 mm. 
longus, viridis, glanduloso-puberulus ; segmenta subulata, acuta. Corolle 
20 mm. longa ; tubus 7 mm. longus ; labium superum late ovatum, breviter 
2-lobum ; labium inferum supero paulo longius, ultra medium 3-lobum, lobis 
lateralibus oblongis quam intermedio rotundato-ovato multo angustioribus. 
Staminum thecæ squales, subsequaliter ах, 1:6 mm. longs, basi obtuse. 
Pollen 45-46 p longus, 25-35 p latus, plicis accessoriis nullis, exinio tenuissime 
punetato. 
ГАВОАХ : Kolong Kolong hills, in deep shade, Motley ! Barber, 334 ! 
6. Н. salicifolia, Stap/ (sp. nov.). 
Herba erecta, ramosa, isophylla, calycibus exceptis glaberrima, sicca 
nigricans vel fere atra. Caulis subteres. Folia petiolata, lanceolata, tenuiter 
longe acuminata, basi acuta, 7-12 cm. longa, L:5-2:5 em. lata, crassiuscula, 
cystolithis inconspieuis multo-striolata, nervis lateralibus tenuibus utrinque 
6-7 valde curvatis ; petiolus ad 1 cm. longus, gracilis. — Znfforescentic: 
brevissimz, simplices vel furcatz, pedunculo ad 6 mm. longo ваше, 
densissime bracteatz ; bracteze lanceolato-subulate, acute, 3 mm. long, 
nigricantes ; pedicelli tenues, circiter 2 mm. longi. Calyx fere ad basin 
9-partitus, 10-12 mm. longus ; segmenta linearia, acuta, apice pilosula. 
Corolla 13-14 mm. longa, glabra ; tubus 8 mm. longus, labium superum late 
ovatum, emarginatum ; labium inferum supero equilongum, breviter 3-lobum, 
lobis lateralibus ovato-oblongis quam intermedio rotundato vix longioribus. 
Staminum thecæ æquales, subæqualiter affixæ, parallelæ, basi obtusæ. Pollen 
49-55 ш longus, 35-36 ш latus, plicis accessoriis utrinque singulis, exinio 
minutissime punctato. Capsula oblonga, acuta acuminata, stipite paulo 
breviore crassiusculo incluso 12-14 cm. longa. Semina 2:5 mm. longa. 
Sarawak : Mount Buan, on limestone, Haviland, 2032 ! 
7. Н. lanceolata, Stapf. 
Syn. Ptyssiglottis lancéolata, Hall. f. in Nov. Act. Nat. Cur. vol. Ixx. 
(1898) p. 221, tab. 15. fig. 1. 
West Borneo: Delta of the Kapuas River, near Suka Lanting, 
forest, Hallier, B. 82, В. 177. 
SARAWAK : Niah, Haviland & Hose, 3546 ! Baram, Hose, 120! Haviland 
$ Hose, 3548! Marudi River near Claudetown, Hose, 169! 285! 300! 
I have not seen Hallier’s specimens, and their identification with those of 
Haviland and Hose rests therefore entirely on Hallier’s description and figure 
of Ptyssiglottis lanceolata. If I am right, Hallieracantha lanceolata is more 
variable than the other species of the genus, 
in shady 
