124 Dipterocarpacece. [Hopea. 



suddenly acuminate, lat. veins 6-8, the lower very oblique, 

 ascending, tertiary connecting veinlets very prominent on 

 upper surface ; fl. and fr. not seen. 



Only known from the C. P. specimens, which consist of leaves only. 

 They are localised ' Low Country, Sept. i860.' 



These leaves may not belong to Doona at all, but the prominent 

 reticulation on the upper surface is not unlike that of D. irapezifolin. 



II. D. macrophylla, T/rco. Enum. 402 (1864). Honda-ber- 

 aliya, S. 



C. P. 37I3-* 



Fl. B. Ind. i. 312. 



A large tree, young parts glabrous ; 1. large, 6-Z in., lan- 

 ceolate-oblong, rounded at base, suddenly and shortly acu- 

 minate, thick, lat. veins 1 3-20, very prominent beneath, mid- 

 rib channelled above, petioles \-\ in, ; fl. | in., on short stout 

 ped. ; sep. very obtuse, glabrous, resinous ; pet. oblong, 

 pubescent outside ; enlarged fruit-sep. 2-2^ in., wings oblong- 

 oval, broad. 



Moist low country ; rare. Hiniduma Pattu ; Kukui Korale ; Hewesse ; 

 Kumbala and Kaniliya Forests, S. Prov. ; Atakalan Korale (Lewis). 

 Fl. Feb. 



Endemic. 



Called ' Napat Yakahalu' in S. Prov. (Broun). 



Affords a good yellowish-white resin. Timber good, 



4. HOPZ:A,t Roxb. 



Large trees ; fl. small, in axillary and terminal panicles ; 



sep. 5, equal; pet. 5, slightly connate at base; stam. 15, fil. 



slightly connate at base, connective with a very long apical 



bristle ; ov. as in SJiorea ; nut as in SJiorea ; 2 enlarged sep. 



with long wings, the other 3 inconspicuous, wings .strongly 



veined ; cotyledons slightly unequal, each conduplicate (the 



larger including the smaller) bilobed, not plicate. — Sp. about 



35; II in Fl. B. Ind. 



Very near Doona, to which the two first species are referred by Burck, 

 but the embryo very different. 



Leaves under 5 in., rounded at base. 



Leaves bright brown beneath . . . . i. H. DISCOLOR. 



Leaves green beheath 2. H. jucund.a. 



Leaves 5-7 in., cordate at base . . . . 3. H (.?) CORDI FOLIA. 



* Specimens have been also accidentally distributed under the 

 C. P. numbers 3408 and 3987. 



t Commemorates Dr. John Hope, Professor of Botany in the Uni- 

 versity of Edinburgh in 1761. 



