Zanthoxylum.} 
xxxr. RUTACEiE. 
347 
(2) Z. hirtellum Ridl. Journ. F.M.S. Mus. x. 131. 
Apparently a climber armed with short curved thorns. Branches 
shortly stiffly hairy. Leaves 6 in. or more long; rachis slender 
strongly armed; leaflets 7 to 9, coriaceous elliptic, bluntly cuspidate, 
edge crenulate or undulate; nerves beneath pubescent slender 
about 8 pairs, above shining glabrous; petiolules 'i in. long or 
less. Panicles slender lax axillary 2 to 3 together with few flowers 
about 2 in. long. Flowers 'i in. wide pubescent. Sepals triangular 
acute. Fruit spikes 3 in. long, pubescent stout with short branches. 
Coccus flattened, oval pubescent wrinkled, ‘25 in. long. Seed 
nearly as long slightly flattened, polished black. Hab. Woods, 
Singapore, Yochukang (Ridley). Pahang, Temerloh. Dindings, 
Lumut (Curtis). 
(3) Z. myriacanthum Wall. Cat. 1214; Hook. fit. F.B.I. i. 
496; King, l.c. 214. 
A tree 20 to 80 ft. tall and 2 to 3 ft, through,'very thorny. 
Leaves deep green, coriaceous 1 to i*6 ft. long; leaflets 4 to 9 pairs 
coriaceous ovate or oblong-lanceolate acuminate, entire or minutely 
crenate; nerves 8 pairs, 3 to 4 in. long, i‘25 to 1*5 in. wide; 
petioles 3*5 in. long; petiolules *i in. long. Cymes 6 to 8 in. long, 
terminal spreading; peduncle 3^5 in. thorny. Flowers ‘2 in. across, 
white sub-sessile 4-merous. Cocci usually 2 globose compressed, 
*1 in. long. Hab. Hill woods. Pahang, Telom. Malacca (Maingay); 
Merlimau (Derry); Perak, Goping (Kunstler); Dindings, Lumut, 
Penang, Government Hill, 2500 ft. altitude (Curtis/ Wallich). 
Native names : Kabu-Kabu Hutan; Membuloh. 
The height given is that of Kunstler. I have only seen it very much 
smaller, about 6 to 8 ft. tall. 
5 . ACRONYCHIA, Forst. 
Tree with opposite or alternate leaves i-foliolate ; leaflets entire. 
Flowers small, green or white in terminal or axillary corymbs. 
Petals 4 valvate revolute. Stamens 8 inserted under a thick 
8-angled tomentose disc. Ovary within the disc 4-celled; ovules 
2 in each cell; style terminal. Fruit a 4-celled drupe. Seeds 
black. Species about 18, tropical Asia and Australasia. 
Flowers in cymes -35 to 75 in. diameter . . . (1) A. laurifolia 
Flowers in racemes‘i5 in. diameter . . . • ( 2 ) A. Porteri 
(1) A. laurifolia Bl. Bijdr. 245; Hook. fil. F.B.I. i. 498; 
King, l.c. 214. A. arboreal/. Bijdr. 244. 
A small tree about 12 to 30 ft. tall. Branchlets puberulous. 
Leaves sub-opposite thinly coriaceous dark shining green, oblong- 
elliptic or obovate obtusely acuminate or blunt, base narrowed, 
glabrous; nerves 14 to 18 pairs looping within the edge, 2 to 6 in. 
long, i*i to 2*4*in. wide; petioles '5 to 75 in. long. Cymes axillary 
slender 2 in. long with few opposite branches; peduncles 2'5 in. 
long. Flowers narrow in bud, *35 to 75 in. across when open, 
