136 ANNALS OF ROYAL BOTANIC GARDEN, CALCUTTA. 
nucleus 1 in. to 1:25 long, triangular, flat; the wing thinly membranous, pale yellow, 
oblong, its apex blunt, oblique, venation vertical, the areolae wide. King in Journ. 
Аз. Soc. Bengal, for 1889, Pt. 2, p. 133. Jsupteris penangiana, Wall. Cat. 7261. 
Penang. Malacca. Perak; common. 
The pubescence on the under surfaces of the leaves is so minute that, without а good lens, it 
is not seen. 
Pirate 159. Trigoniastrum hypoleucum, Miq. 1, flowering branch; 2, fruiting branch: of natural size; 3, flower 
showing the five petals and two of the sepals: enlurged; 4, sepal; 5, lateral petal; 6, the large saccate odd petal ; 
7, pist.l and stamens: much enlarg:d. 
XawTHOPHYLLUM, Roxb. Nat. Ord. Polygalee, 
Trees or shrubs. Leaves coriaceous ог sub-coriaceous, usually drying yellowish- 
green. Sepals 5, nearly equal. Petals 5 or 4, the inferior keeled, not crested. Stamens 
8, distinct, variously attached to the base of the petals, or hypogynous. Ovary stipitate, 
l-celled, often surrounded by а hypogynous disc.; style more or less filiform, ovules 
various in insertion and number. Fruit l-cellel, l-seeded, indehiscent, Seeds exalbumi- 
nous, estrophiolate. 
PLATE 160. 
XANTHOPHYLLUM AnpaManicum, King in Journ. As. Soc. Bengal, for 1890, р/., 2, р. 135. 
* A tree 20 to 30 feet high, glabrous except the inflorescence, branches dark brown. 
Leaves thinly coriaceous, drying a pale greenish passing into brown, elliptic to elliptic- 
oblong, таге'у sub obovate, sub-acute, the base cuneate; upper surface smooth, 
shining, the lower dull and pale, bo:h minutely reticulate; main nerves 7 to 8 pairs, 
slightly prominent; length 3 to 4 in., breadth 1:25 to 1°75 іп,; petiole *3 to °4 in. 
Fwwers 73 in. long, their pedicels about аз long. Pani:les extra-axillary or terminal, 
1-5 to 3 in. long, lax, few-branched, slender. Sepals ovate to rotund, pubescert, edges 
ciliolate. Petals broadly ovate, glabrous, keel pubescent. Filaments flat and pubescent 
at the base, otherwise cylindric and glabrous, Ovary elongate-ovoid, glabrous, 4-ovuled, 
tapering into the rather flat, pubescent style; dise corrugated, glabrous. Fruit 
globose, “5 in. in diam., smooth; pericarp thin, crustaceous. 
Andaman Islands; Helfer, Kurz, King’s Collector. Burma, Kurz. 
This is not unlike X. Grifithii in its leaves; but it differs in its glabrous ovary and fruit. 
Prate 160. Xanthophyllum Andamanicum, King. 1, flowering branch; 2, ripe fruit: of natural size; 3, flower 
dissected; 4, stamens; 5, pistil: much enlurged. 
PLATE 161. 
о 
XANTHOPHYLLUM Wraxt, King in Journ. Аз. Soc. Bengal, for 1890, рі. 2, р. 138. 
A shrub 3 to 8 fest high, the young branches minutely tomentose. Leaves sub- 
coriaceous, drying a pale yellowish-green, elliptic to oblong, more or less acuminate, 
