Trioninui.] xxxiv. burserace^. 369 



capsular dehiscing into 3 lobes, with 3 winged seeds. {King, Journ. 

 As. Soc. Beng. Ixii. (2), 235.) Species 250, tropics of both worlds. 



Perianth pentamerous. 



Fruit capsular ; seed winged . . . . i. Triomma 



Perianth 3- to 6-merous; fruit drupaceous. 



Stamens 6 ; calyx small ; drupe large ; stone 



triquetrous stony . . . . .2. Canarium 



Drupe usually small ; stone crustaceous ellipsoid 3. Santiria 

 Stamens 3 or 6 ; calyx large ; drupe oblique 



globose . . . . . . •4- Trigonochlamys 



Stamens 3, calyx small; drupe gibbous globose 5. Icicaster 



1. TRIOMMA, Hook. fil. 



Tree. Leaves imparipinnate exstipulate. Leaflets few. 

 Flowers bisexual small in terminal panicles. Sepals 5 ovate. 

 Petals 5 ovate little longer. Stamens 5 ; filaments very short ; 

 anthers minute. Ovary ovoid ; ovules 2 in each cell. Stigma 

 sessile. Fruit dry dehiscent opening into 3 ovate acuminate 

 woody valves, pyrenes solitary 3-angled with a large sub-orbicular 

 wing. Species i, Malay Peninsula, Sumatra. 



(i) T. malaccensis Hook. fil. Trans. Linn. Soc. xxiii. 171 ; 

 Ic. PL 2824, 2825; King, I.e. 236; Ridl. Journ. Roy. As. Soc. 

 S. Br. 35, p. 86. 



An aromatic resinous tree about 60 ft. tall or more and 2 ft. 

 through with grey flaky bark. Leaves 6 to 10 in. long; leaflets 9 

 coriaceous oblique elliptic or ovate lanceolate acute or acuminate ; 

 nerves 7 pairs, 3*5 to 4 in. long, 1-5 in. wide; petiolules '2 in. long, 

 terminal one '5 in. long. Panicle 3 in. long tomentose much 

 branched. Flowers '2 in. across pedicelled whitish green. Anthers 

 chestnut. Fruit 2*75 in. long, 2'i in. wide, base broad on a stout 

 2 in. peduncle. Hab. Forests in the south. Singapore, Garden 

 Jungle. Malacca (Maingay). Selangor, Ginting Sempah. 



2. CANARIUM, Linn. 



Big trees resinous. Leaves imparipinnate alternate. Flowers 

 in terminal or axillary panicles or racemes small, unisexual, males 

 smaller in larger inflorescences, females larger in smaller inflores- 

 cences. Bracts conspicuous. Calyx campanulate 3-lobed valvate. 

 Petals 3, usually longer. Stamens 3 or 6 on edge or outside the disc 

 or free, or confluent at base with no disc. Ovary 3-celled, cells 

 2-ovuled; style various or none. Stigma capitate. Drupe 

 elliptic with hard fleshy outer coat, stone usually triquetrous, 

 very hard, i- to 3-celled. Species about 90, tropical Asia. 



Stamens 3. . . . . (i) C. caudatum 



Stamens 6. 



Filaments united in a tube. 



Leaves glabrous; flowers large -3 in. long . (2) C. grandiflorum 

 Leaves slightly pubescent on nerves, glaucous 



beneath (3) C. purpurascens 



Fl.M.P. I. BB 



