236 
vel caudato-acuminata, obtusa, basi cuneata, interdum sub- 
acuminata, 5-10 cm. longa, 2-3-5 cm. lata, coriacea, sicco 
lutescentia, subtus pallidiora, pagina utraque glabra, nervis 
lateralibus utrinque 6-8 supra conspicuis vix prominulis subtus 
prominentibus sat obliquis saepissime parum arcuatis rarius 
subrectis, nervulis subtus prominulis, margine integra, sicco 
undulata, petiolo circa 6 mm. longo supra canaliculato suffulta. 
Paniculae et axillares et terminales, foliis paulo breviores vel iis 
parum longiores, rhachi et ramulis complanatis cum pedicellis 
circa 3-5-5 mm. longis aureo-puberulis. Sepaila ciliolata, utrinque 
breviter adpresse pubescentia, exteriora ovato-deltoidea, 2 mm. 
longa, 1-75 mm. lata, crassa. Corolla 4-5 mm. longa, carina 
petalis aliis paulo breviore. Filamenta petalis adnata, haud 
inter alia connata, inferne ampliata. Discus crenulatus. Ovarium 
a gynophorum glabra, ovulis circa 8, stylo pubescente 2 mm. 
ongo. 
Dan Sai, Kao Keo Kang, c: 1100 m., evergreen forest, Kerr 
5766. 
var. viride, Craib, foliis minus coriaceis sicco viridibus a typo 
recedit. ; % 
Dan Sai, Kao Keo Kang, ec. 1300 m., evergreen forest, 
Kerr 5766. 
Xanthophylium siamense, Craib [Polygalaceae-Xanthophyl- 
leae]; ab X. affine, Korth., foliis maioribus tenuioribus, floribus 
minoribus distinguendum. 
Sepala exteriora ovata vel elliptico-ovata, apice obtusa rotun- 
datave, 2-75-3-5 mm. longa, 1-8-2-25 mm. lata, utrinque 
adpresse pubescentia, interiora obovato-elliptica vel elliptica, 
3°5 mm. longa, 2-75 mm. lata, extra adpresse pubescentia, intra 
sparse adpresse pubescentia, omnia ciliolata. Petala 6-7 mm. 
longa, carina aliis paulo breviore dorso pilosa. Filamenta petalis 
adnata, haud connata, inferne ampliata, intra ad latitudinem 
maximam pubescentia, antheris pilis albis divergentibus instructis- 
