250 XX. DIPTEROCARPACE^. [Pachynocarpus. 



back. Hab. Penang at looo ft. altitude, on the Sungei Pinang 

 road (Curtis). Distrih. Borneo. 



(4) P. Wallichii King, I.e. 135. P. ruminatus Brandts, Journ. 

 Linn. Soc. xxi. 136. Vatica Wallichii Dyer, Journ. Bot. 1874, 

 p. 154. Vatica ruminata Burck, Ann. Jard. Buitenz. vi. 227, t. 29, 



fig- 4- 



Tree 30 to 60 ft. tall. Leaves coriaceous, elliptic, bluntly short 

 acuminate, base blunt or .shortly narrowed ; nerves about 6 pairs 

 slightly elevate beneath, reticulations prominent, 3*5 to 5 in. long, 

 175 to 2'5 in. wide; petioles '25 to '5 in. long. Panicle spreading, 

 3 in. long and a little wider; pedicels mealy puberulous. Sepals 

 connate at base, lobes deltoid, recurved, mealy. Petals linear- 

 oblong blunt, fleshy, '25 in. long, white, mealy on the back. 

 Stamens 10; anthers elliptic, shortly apiculate. Ovary free from 

 calyx; style stout. Stigma globose. Fruit ovoid-globose, corky 

 light brown, 75 in. long and thick with 3 grooves from the top 

 to base, persistent sepals forming a short star-like mass of 5 rounded 

 lobes at the base. Hah. Forests. Pahang, Baloh, Kwantan 

 (Foxworthy). Selangor, Kelambu, Klang (Foxworthy). Perak, 

 Larut and Goping (Kunstler). Penang (Wallich, Curtis). Distrih. 

 Sumatra, Borneo. Native name : Resak Larus. 



(5) P. Ridleyanus Brandis, Ic. PI. 240 sub Vatica. Vatica 

 ovalifolia Ridl. Journ. Roy. As. Soc. S. Br. 54, p. 26. 



A tree 80 ft. tall or more. Leaves ovate to oblong acuminate 

 narrowed to the base, glabrous; nerves 6 pairs ascending elevate, 

 reticulations conspicuous beneath, 4 to 5 in. long, 1-5 to 2 in. wide; 

 petioles -25 in. long. Panicles 1-5 to 4 in. long, woody in fruit, 

 puberulous and slender when young. Sepals lanceolate connate 

 half-way mealy pubescent, as are pedicels. Petals -4 in. long 

 yellow, linear-oblong blunt, backs scurfy-puberulous. Stamens 15 

 in 2 rows, outer ones with short, broad filaments; anthers longer, 

 connective forming a short conic point, inner row with longer 

 filaments. Ovary sunk, pubescent ; style short, thick. Fruit 

 conic 2 in. or more long, 75 in. through at base, dark brown corky 

 and papillose, the persistent sepals 5 short up-curved processes, 

 •2 in. long. Hab. Forests. Singapore, Garden Jungle; Changi. 

 Pahang, Minchali, Rumpin (Foxworthy). Province Wellesley, 

 Nibong Tebal. Native name : Resak Larus. 



Order XXI. ANCISTROCLADACEiE. 



Glabrous climbing shrubs. Branchlets hooked. Leaves in 

 terminal tufts, coriaceous, entire, exstipulate. Flowers small in 

 terminal or axillary panicles. Calyx-tube short, adnate to the 

 base of the ovary in flower, larger and adnate to the fruit when 

 ripe; lobes 5, developed into unequal wings in fruit. Petals 5, 



