270 FOXWORTHY. 
pubepcent on both sides. Eacemes equalling or shorter than the leaves. 
Bracts subrotund, glabrous ^vithin^ pubescent and ciliate without, yellow, 
4 mm long, 3 mm wide. Calyx laciniae lanceolate, outside covered with 
simple, adpressed, cinercoTis, sericeous hairs, glabrous within. Petals 
three or four times as long as the calyx, oblong, glabrous within, sericeous 
without. Stamens 15; appendix to connective sometimes longer than 
the anther cells. The three larger segments of the fruiting calyx oblan- 
ceolato, obtuse, 6-nerved, transverse veins distinct, margin minutely ciliate, 
clear, base dilated, sparsely villous with stellate hairs. Fruit ovoid, 
acuminate. Only the immature fruit has been described. 
None of our collections are in fruit and only one in flower. The 
» sterile material shows a very great range of variability in shape and 
texture, and it is altogether probable that the following list contains 
representatives of what will prove to be several distinct species when we 
have more complete material for study. 
From observations made by different foresters it seems that this species 
and Ilopea plagata produce wood of almost the same quality and ap- 
pearance, but that the trees may be distinguished by the bark, which is 
thick, black and coarsely furrowed in //. plagata and thin, gray and not 
coarsely furrowed in this species. Both furnish a high grade of the 
timber knoAvn as yacal, which coiTesponds very closely to the selangan 
hatu of Borneo and the ihingan of Burma. 
:.UZON, Province of Pangasinan, For. Bur. 8218, 8219 Curran d Merritt, For. 
: 963S ZschoU-c, For. Bur. J3J,7S, IS'iSl Medina, For. Bur. 14390 Villamil: 
* J* P^"» ^ « _^ 
For. Bur. 10lj',S, lOGJ^l, 10674, 10730 Ctmw, For. Bur. JlolO, 11522, 11525 V/hit- 
ford, For. Bur. l.i3o2 Aguilar: Province of Albay, Cuming 884, i'^or. Bur. 15002 
Aldor, For. Bur. 18710 Darling. Ley'fe, For. Bur. 12732, 12899 .Rosenblulh. 
Mindanao, IMstriet of Davao, For. Bur. 11562 Whitford: District of Zanihoanj.'a, 
For. Bur. 9031 miitford d llutchiuson. 
Common names: yacal, guisoc, guisoc-amarillo. guisior-guifior. jximagaicasin, 
yumhan puti. 
Distribution: Borneo; :\hu]jang; Ban^rka; the Plnlijipines. 
2. Shorea malaanonan (Blanco) Bhmic in Miia. Bot Lugd.-Bat. 2 (18.')0) 
34; A. DC. Prwlr. 16= (1868) G31; BnuuUs in Journ. Linn. Soc. Bot. 31 (1895) 
103; Foxworthy in Phil. Journ. Sci. 2 (1907) Bot. 386: Merrill & Uolfe in Phil. 
Journ. Sci. 3 (190S) Bot. 115; F.-Vill. Xoviss. App. (ISSO) 21; Whitford in 
Philip. Bur. For. Bull. 10 ^ (1911) G4. 
.Vocanera mnJamtouan Blanco FI. Filip. (1837) 858. 
Diptcrovarpus malaanonan Blanco Fl. Filip. ed. 2 (1845) 312. 
Shorea polita Vidal Sinopsis Atlas (1883) xv, t. 15 f. D; Rev. PI. Vase. Filip. 
( 1H8G) 01 ; Brandis /. c. 88; ^Ferrill & Pudfe /. c. 115. 
Fuphoria muJaanonan Blanco Fl. Filip. ed. 1 (1837) 2S0 (2S9 Hphalni.) 
Fuphoriii ? nephelium Blanco Fl. Filip. ed. 2 (1845) 200. 
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