Dip krocarptis.'] 



14. DIPTKROCARPE^. 



33 



in Ancistrocladus). Cotyledons fleshy, equal or unequal, straight or 

 more or less plaited and crumpled ; radicle superior or rarely inferior, 

 usually included between the cotyledons. 



Calyx much enlarged in fruit. 



Calyx in fruio with a distinct tube. Large 



trees. Fruit with 2 erect wings ... 1, Diptebocaepus* 

 Climbing shrubs. Fruit with 5 unequal 



spreading wings ... ... 2. AncistkocladuS. 



Calyx in fruit with an obscure tube. 



Fruit 3-5- winged .. ... ... 3. Shore A. 



Fruit 2-winged ... ... ... 4. Hopea. 



Calyx not winged in fruit ... ... 5. Vateeia, 



1. DIPTEROCARPUS, Gaertn. 



Lofty trees with cylindrical stems, stellately pubescent or more or 

 less clothed with fascicled hairs. Leaves coriaceous, simple^ entire or 

 repand-crenate ; stipules large, valvate, enclosing the terminal bud, 

 deciduous. Flowers racemose or panicled, often large and showy. 

 Calyx 5-lobed with a turbinate or urceolate, free tube, 2 of the lobes 

 accrescent in fruit. Petals pubescent externally^, spreading, slightly 

 cohering at the base. Stamens numerous ; anther-lobes equal ; connec- 

 tive prolonged into a cuspidate point. Ovary 3-celled ; style filiform ; 

 ovules 2 in each cell. Fruit free, enclosed in the enlarged calyx-tube, 

 1-seeded, 2-winged. Seed adnate to the base of the pericarp ; cotyledons 

 large, thickj unequal. 



D. turbinatus, Gaertn. f. Fruct. IIL 51. t. 188 ; Fl. Br, 1. 1 .295. D. 

 indicns, Bedd. Fl. Sylv, t. 94 ; Brandis Jour. Linn. Soc. Vol. 31. p. 26. 

 Wood Oil Tree. Ghallane, K. 



Eastern Bengal and Eastern Peninsula, from Pegu to Singapore, Western 

 Peninsula., in the ghat evergreen forests, locally distributed, from North 

 Kanara southwards. Very abundant in South K^nara and on the southern 

 ghats of North Kd,nara (Gairsoppah Ghat, etc.). I have not seen trees 

 much over 100 ft. high. It is, however, known to attain much greater 

 dimensions, 200 ft. high by 5 ft. in diameter, in the Chittagong forests. 

 Sir D. Brandis keeps D. turhinatus, Gaertn., distinct from D. indicus, 

 Bedd., on very slender grounds. Length of the petiole, size of the 

 leaf and number of the lateral veins. Euumer. Dipterocarpes?, Brandis. 

 Jour. Linn. Soc. Vol. 31. p. 27. El, Dec. -Jan. Fr. ripe May. Wood 

 smooth, moderately hard. Heartwood reddish brown, mottled with dark 

 patches of tissue. Pores round, moderate-sized, included in and often 

 joined by irregular bands of soft tissue. Medullary rays broad and fine. 

 Weighs 57 lbs. to the cubic foot. Employed for house-building and canoes 

 in Burma : not much used on the West Coast. The trunk yields a balsamic 

 ■oil (Gurjun oil) used medicinally and for painting houses and ships. 



2. ANCISTROCLADUS, Wall. 



Climbing shrubs with circinately hooked branches. Leaves usually 

 in terminal tufts, coriaceous^ entire. Flowers in terminal or lateral 



B 987—5 



