Zantlwxylum 



RUTACE.E 



173 



variable in number, in 4-7(-15) pairs (young shoots with more leaflets 

 than those more mature), opposite or alternate, sessile or subsessile, oblong- 

 elliptical or oblong-lanceolate or oblanceolate, apex rounded, sometimes 

 obtuse to shortly acuminate, base unequal-sided, 5-10 (3-13) cm. 1. 

 Panicles terminal, rarely lateral. Flowers subsessile. Sepals 5, open in 

 bud, triangular, membranous, about -5 mm. 1. Petals 5, 1-5-2 mm. 1., 

 elliptical. Male flowers : filaments 5, about half as long again as the 

 petals. Fruit : cocci glandular-dotted, obliquely ovate to orbicular, about 

 5 mm. 1. Seeds about 4 mm. 1. 



The wood is of a light yellow colour and even grain, saws readily 

 straight, is useful for furniture and inside work, but does not last when 

 exposed. Weight 60 Ibs. per cubic foot. 



3. Z. flavum Valil Eclog. Hi. 48 (1807) ; dioecious ; puberulous 

 on twigs, petioles, and rhachis of inflorescence with minute star- 



A, Inflorescence with a young leaf x ;-,. 



B, Male flower cut lengthwise X 3. 



C, Female flower X 3. 



D, Pistil cut across x '4. 



E, Fruit of 2 cocci, one open showing the 



seed, x -1. 



Fig. 56. Zanthoxylum flavum Vahl. 



F, Coccus cut lengthwise, showing 



with endosperm ami embnu. 



G, Cross-section of small portion of wood 



about \ inch long, showing, with tin- 

 aid of a lens, the vessels a> minute 

 dots, numerous and evenly di>p 

 in the rings. 



shaped hairs; leaflets entire, sometimes slightly nvn.-itv, with 

 very numerous pellucid dots ; floral parts in 4's or ">'s ; carpi >! 

 (3-1) ; cocci 1, sometimes 2. P. Wih. t<>m. </'/. r.ni. Z. cribrosurn 

 Spreng. Syxt. i. 946 (1825) ; Sarg.' Silv. i. 71, /. 30, 31. Z. Sumach 

 Griseb. PL Car!!,. 12 (1857) & Fl. Br. W. In.!. \:\S (n*m Mac/.). 

 Fagara llav.i Kr. <t- Urb. in Emjl. Jahrb. xxi ">71 (189G) (with 



