Macaranga .] cxxvm. euphorbiaceje, 3°3 
(15) M. denticulata Mull. Arg. in DC. Prod. xv. (2) 1000; 
Hook. fil. F.B.I. v. 446, M. perakensis Hook. fil. F.B.I. v. 447, 
Tree 30 to 40 ft. tall; young parts rusty-tomentose, branches 
and petioles hoary sub-glaucous. Leaves deltoid, ovate acuminate, 
base round peltate or cordate; nerves about 10 pairs with close-set 
transverse nervules glaucous beneath, finely dotted, midrib and 
nerves scurfy; 5 to 7 in. long, 4 t<0 5 in- wide; petioles 3*5 i n - long. 
Male panicles axillary spreading, 4 in. long, 3 in, wide, branches 
slender scurfy. Flowers minute in small clusters. Sepals 2 or 3 
orbicular. Stamens 6 to 30. Female panicles smaller. Calyx 
3- to 4-lobed. Stigmas tongue-shaped, very short. Capsules 
■25 in. through, bilobed, black with yellow glands. Seeds globose, 
black. Hab. Open woods, Pahang. Sungei Chengei, Pahang 
River; Sungei Tahan. Selangor, Ulu Kerling; Rawang. Perak, 
Goping (Kunstler); Hermitage Hill; Gapis Pass (Curtis). Distrib. 
India, Sumatra, Java. 
(16) M. trichocarpa Mull, Arg. in DC. Prod xv. (2), 1003; 
Hook. fil. F.B.I. v. 450. 
A slender shrub about 6 ft. tall with weak branches, tomentose. 
Leaves membranous, ovate acuminate, denticulate, base blunt, 
not peltate, sparsely hairy above, dotted glandular and hairy on the 
nerves and reticulations beneath; nerves 8 pairs slender; 4 to 4-5 in. 
long, 3 in. wide; petioles slender tomentose, 2*5 in. long. Panicles 
axillary, 1-5 in. long, pubescent, branches few and short. Bracts 
broad ovate shortly pectinate, •! in. long, pubescent outside. 
Female flowers 2 or 3 on the top of a short peduncle. Calyx elongate 
urceolate, 4- to 5-lobed. Capsule bilobed, *5 in. across, thickly 
covered with white pungent irritating bristles. Hab. Lowland 
woods, Singapore, common, Garden Jungle; Selitar; Changi, etc. 
Johor, Mount Austin. Perak (Scortechini); Ulu Temengoh 
(Ridley). Distrib. Cochinchina and Malay islands. 
(17) M. robiginosa Ridl. Kew Bulletin, 1923, p. 367. M. 
javanica Hook. fil. F.B.I. v. 451. M. montana Pax, Pfianzenreich, 
iv. l.c. 321 (not of Merrill). 
Small tree usually about 20 ft. tall, shoots rusty-tomentose. 
Leaves thinly coriaceous ovate-lanceolate to ovate acuminate, base 
broad and very shortly cuneate entire, beneath red-brown, densely 
puncticulate; nerves 8 pairs; 4 to 5 in. long, 1-5 to 3 in. wide; 
petioles slender red, 2 to 4 in. long. Male panicles pendent from 
the lower part of the branches below the leaves all red-scurfy, 
slender with short branches, *3 in. long. Bracts *i in. long, deeply 
laciniate. Sepals 2 or 3. Stamens 2 or 3. Female panicles much 
as males. Bracts less deeply cut. Capsule bilobed, *12 in. wide. 
Hab. In secondary jungle, coming up in abundance wherever the 
forest is felled; a short-lived tree, Singapore to Penang. Native 
names: Mahang Bayan; Mahang Lok ; Selaru. 
Bail Ion, by some error, called this plant Rottlera montana , Heyne, in Sched. 
