123 



half of the fruit, the apices of some of thom being winged as above 

 described. In these respects the species resembles certain other 

 Malayan species of Shorea, c. g., 8. Martiniana Scheff, S. scahcrrima, 

 and S. stenoptera, Burck. Judging from the leaf-specimens on which 

 Miquel founded his Hopea Singkaivang, that plant must be a close 

 ally of this. A species (flower only) collected by H. O. Forbes in 

 Sumatx-a (Herb. No. 2952) must also be closely allied to this. It 

 differs however by its conspicuously bracteolate inflorescence. Beccai'i's 

 Nos. 2681 and 3507, which form the types of Heim's species S. hrachyp- 

 tera, ai'e also allied to this. 



6. Hopea, Eoxb. 



Glabrous or hoary-tomentose resinous trees. Leaves quite entire, 

 firm, feather- veined ; stipules small, deciduous or inconspicuous. 

 Floivers sessile or shortly pcdicelled, ebracteate, in lax panicles of uni- 

 lateral racemes. Sepals inserted on the receptacle, two being quite 

 external and three for the most part internal, obtuse, imbricate. Petals 

 falcate, their apices inflected in bud. Stamens 15, or rarely 10, slightly 

 connate ; the connective subulate-cuspidate, the anthers ovate, their 

 valves obtuse, equal. Ovary 3-celled, the cells 2-ovuled : style shortly 

 cylindric or siibulate. Fruit 1-seeded, closely suiTOunded by the bases 

 of the accrescent sepals, the 2 external of which are developed into 

 linear wings, the three internal not longer than the ripe fruit. Embryo 

 as in Sliorea. — Disirib. of Shorea ; species about 35. 



Sect. I. Eu-HOPEA, Main nerves of leaves bold and prominent. 

 Nerves of leaves 16 to 18 pairs ; accrescent 



sepals 4 to 4*5 in. long, 10-nerved ... \ H. nervosa. 



Nerves of leaves 10 to 13 pairs ; accrescent 



sepals 1*75 to 2*5 in. long, obscurely 5-nerved 2. H. Curtisii. 

 Sect. II. Dryobalanoidea, Miq. Main nerves not 

 distinct. 

 Petals sericeous : the filaments longer than the 

 anthers ; ripe fruit '3 in. long, the accrescent 

 sepals 7-nerved, 1'75 to 2 in. long, and "2 to 

 •25 in. broad ; leaf-petioles '25 to '4 in. long, 

 minutely tomentose... ... ... 3. U. micrantha. 



Petals densely sericeous ; the filaments shorter 

 than the anthers ; i-ipe fruit '2 in. long ; ac- 

 crescent sepals obscurely 5- to 7-nerved, 125 

 to 1"5 iu. long, and "25 in. broad ; leaf-petioles 

 •35 to "6 in. long, slender, puberulous, finally 

 glabrous ... ... ... 4. H. intermedia. 



415 



