338 The Philippine Journal of Science ms 
Inflorescentia axillaris, 2-1-floris. Floris § , majusculi, 5-meri. 
Calyx 5-partitus, parvus, lobis triangulari-ovatis. Petala 5, 
deorsum angustatis. Stamina 10, libera, inaequalia. Ovarium 
5- rariter 6-loculare, stipitatum, in stylum elongatum attenuatum, 
stigmate capitato; ovula in loculis 8 ad 10. Bacca subglobosa, 
magna, pericarpio crassissime coriaceo, irregulariter radiatim- 
lacunoso, septis cartilagineis, loculis muco repletis, semina nume- 
rosa (in quoque loculo ca. 8 ad 10), lenticularis, testa dense 
paleaceis, paleae leviter fimbriatae, membranaceae, elongatae, 
hilo carinato, subariloideo. Germinatione cotyledones subterra- 
neae, foliis primariis simplicibus, oppositis, late ovato-lanceo- 
latis. 
The type species of this genus is Murraya caloxylon RidL, a 
tree native to the Malay Peninsula. It is known from southern 
Siam and Upper Perak, and is in cultivation in the Singapore 
Botanic Gardens. 
Specimens examined: H. C. Robinson 55U8, Upper Perak, 
Kenering, at 500 feet elevation (British Museum, London) ; 
/. H. Burkill, March, 1918, from a tree cultivated in the Singa- 
pore Botanic Gardens, the specimen with flowers and fruits. 
Only one species is known, the katinga of the Malay Penin- 
sula and Siam. 
MERRILLIA CALOXYLON (Ridley) Swingle comb. nov. Plates V and VI. 
Murraya caloxylon Ridley in Journ. Straits Branch Roy. As. Soc. 
50 (1908) 113. 
The original description is as follows: 
Murraya caloxylon, n. sp. 
A tree of considerable size the branches covered with a pale flaky bark. 
Leaves 8 inches or more long with 13 leaflets, rachis flattened and winged 
narrow, leaflets 3-31 inches long or less by 11 inch wide, alternate oblan- 
ceolate obtusely acuminate with a triangular base, minutely petiolate 
inequilateral thin bright deep green. Flowers pale yellowish green sev- 
eral together in small panicles, in the upper axils of a branch, about 
an inch long. Sepals connate ovate acute inch long. Petals and 
stamens not seen. Ovary stalked, hairy, style rather stout hairy, stigma 
capitulate. Fruit oblong rounded at both ends, 4 inches long and three 
inches in diameter, the pericarp dotted and warty greenish eventually 
becoming yellow, half an inch thick, lemon yellow inside, full of long 
resin cells narrowed at the mouth and dilated below, cells 5, with rather 
thick tough walls, pulp of transparent flattened sticky fibers olive green 
in colour and tasteless. Seeds numerous about 5 in a section ovate 
flattened half an inch long £ inch thick, olive grey. 
Southern Siam: Patani (Penney) ; Upper Perak: Kenering at 500 feet 
elevation (Robinson 5548). 
This tree known as the Katinga is famous in the Malay peninsula 
for its beautiful wood. This handsome wood is of light yellow color, 
