PHILIPPINE DIPTEROCARPACEAE. 
265 
For. Bur. 7504 Curran, Sept. 1907, in fruit: Province of La Laguna, For. Bur. 
10115 Curran, For. Bur. 1268 J \ Rosenbluth & Tamesis, For. Bur. 11721 Whitford, 
For. Bur. 13349 Tamesis: Province of Tayabas, For. Bur. 7095 Kobbe, May 1907, 
in flower, For. Bur. 10385, 10390 Curran, For. Bur. 11510 Whitford, For. Bur. 
18653 Darling, For. Bur. 23002 Aguilar: Province of Camarines, For. Bur. 4532 
Barredo, For. Bur. 10459 Curran: Province of Albay, For. Bur. 15070 Rosenbluth: 
Province of Sorsogon, For. Bur. 4525 Zscholcke, For. Bur. 5751 Pray. Mindoro, 
For. Bur. 7147 Merritt. Leyte, For. Bur. 12728 Rosenbluth. Mindanao, Prov- 
ince of Misamis, For. Bur. 15472 Pray: District of Davao, For. Bur. 11557 
Whitford. 
Native names : mangachapuy ( Tag., V. ) , dalindingan ( Tag. ) , barosingsing 
(Iloc.) . 
Sect. III. Dryobalanoides. Secondary nerves numerous, approximate, 
not prominent, and often obscure. Stamens 15. Stylopodium in some 
species wanting, indicated by a hairy ring. 
9. Hopea pierrei Hance in Journ. Bot. 15 (1877) 329; Brandis in Joum. 
Linn. Soc. Bot. 31 (1895) 67, pi. 2, f. 10; Foxworthy in Philip. Journ. Sci. 4 
( 1_909 ) Bot. 515; Whitford in Philip. Bur. For. Bull. 10 2 (1911) 76. 
H. micrantha Hance in Journ. Bot. 14 (1876) 242, non Hook. f. in Trans. 
Linn. Soc. 23 (1862) 161. 
Hancea pierrei Pierre FI. For. Cochinch. (1891) t. 248. 
Medium-sized trees ; branchlets glabrous, only petioles and ramifications 
of inflorescence slightly puberulous; small hairy glands (domatia) usually 
found in axils of secondary nerves. Flowers drooping, pedicellate, in 
unilateral racemes, these distichous and regularly alternating, forming 
short- axillary racemose panicles. Bracteoles ciliate. Calyx glabrous; 
petals sericeous outside; awn of connective more than twice as long as 
the anther. Stylopodium glabrous as well as ovary, constricted below; 
style very short; stigma obtuse. Fruit ovoid, slightly acuminate, very 
tightly enclosed by the 5 calyx-segments which are indurated at the base. 
Both cotyledons bifid to base, the radicular somewhat larger; hypoeotyl 
half the length of embryo, cotyledons filled with starch. 
Luzon, Province of Cagayan, For. Bur. 17075, 17206, 17256 Curran: Province 
of Pangasinan, For. Bur. 9638 Zscholcke: Province of Nueva Eeija, Bur. Sci. 
13072 Foxworthy, For. Bur. 22195 Alvarez: Province of Zambales, For. Bur. 
8231 Curran & Merritt: Province of La Laguna, For. Bur. 10150, 10157 Curran, 
For. Bur. 15352 Tamesis, Bur. Soi. 8982 Foxworthy, For. Bur. 17638, 17645 
Curran, Feb. 1910, in fruit, For. Bur. 22499, 22500 Mariano: Province of Tayabas, 
Whitford 792, Sept. 1904, with young flowers. For. Bur. 23018 Aguilar: Province 
of Camarines, For. Bur. 10719 Curran, For. Bur. 12810 Rosenbluth : Province of 
Albay, For. Bur. 10579, 10618 Curran: Province of Sorsogon, For. Bur. 10599, 
10627 Curran. Polillo, Bur. Sci. 10285 McGregor. Mindoro, For. Bur. 6726 
Merritt, April 1907, in flower, For. Bur. 8742, 11399, 12027 Merritt. Negros, 
Province of Negros Occidental, For. Bur. 17365 Curran. 
Common names: dalindingan isak (Tag.), malatagum (B.) , makitarem (Sor. ), 
lito (Sor.) , mangachapuy (T., V. ) , pisak (Cag. ). 
Distribution: Cambodia, Singapore, Borneo and the Philippines. 
