176 FLORA OF JAMAICA Zanthoxylum 



6. Z. spinifex DC. Prodr. i. 728 (1824); leaflets entire, 

 obovate to linear-oblong, base with 2 glands beneath, *4-l cm. 1., 

 2-* 5 cm. br. ; inflorescence sessile, axillary, consisting of one 

 flower or a cluster of a few flowers ; carpels 2 ; nutlets 1 or 2.- 

 P. Wih. tout. fit. 187. Fagara spinifex Jacq. Fragm. 10, t. 6,/. 2 

 (1809) ; Urb. in torn. cit. 577 & Symb. Ant. iv. 318. F. micro- 

 phylla Desf. TabL i. 200 (1804) (name only); Ham. Prodr. 21 

 (1825) ; Griseb. Fl. Br. W. Ind. 137 (excl. ref. Br. & L.). Rhus 

 Obsoniorum similis leptiphyllos, Tragodes <fcc. Pink. Phyt. t. 107, 

 /. 4, Aim. 319. 



Sloane Herb. v. 88 ! Porto Rico, St. Cruz, Buck Is., St. Kitts, Nevis, 

 Antigua, Guadeloupe, Desirade, Dominica, Martinique, St. Lucia, Barbados, 

 Venezuela. 



Shrub 3-16 ft. high ; branches almost always bearing straight stipular 

 spines. Leaves with an odd leaflet ; petiole and rhachis winged, very 

 rarely with a short solitary spine here and there beneath between the pair 

 of leaflets ; leaflets 5 (7-9, rarely 11), form very variable, on flowering 

 twigs generally obovate to oblong, apex rounded or emarginate, on sterile 

 twigs, often linear-oblong, margin obscurely crenate, often with a gland 

 at the notch, pellucid dots wanting, except sometimes one at the apex 

 when emarginate. Floral parts in 4's, rarely in 5's. M a le flowers : Sepals 

 5mm. L, *7 mm. br., inner narrower. Petals l'6-2 mm. 1. Stamens 

 longer than petals. Female flowers : styles long persistent, stigmas united. 

 Cocci sessile or subsessile, globular, 2 -5-3 mm. in diam., keeled on one 

 side ; endocarp brown, separable. 



3. Prickles wanting. Leaves with petiole and rhachis 

 grooved, not winged ; leaflets opposite ; pellucid dots 

 numerous. Inflorescence paniculate, terminal and in the 

 upper axils. Floral parts in 4's. Fruit of 1 coccus. 



7. Z. rhodoxylon P. Wils. in Bull. Torr. Bot. Club xxxvii. 85 

 (1910) & in N. Amer. Fl. xxv. pt. 3, 191. Fagara rhodoxylon 

 Urb. Symb. Ant. v, 530 (1908). 



Rosewood, Csesar-wood. 



Tyre, near Troy, 2000 ft. ; Fray woods, 1600 to 1800 ft. ; Peckham, 

 Clarendon, 2500 to 2800 ft.; Harris ! Fl. Jam. 9992, 10,347, 10,866, 

 11,044. 



Tree 25-50 ft. high ; trunk up to 2 ft. in diam. Leaves equally pinnate ; 

 rhachis and petiole, 3-6(-8) cm. 1. ; leaflets in l-2(-3) pairs, obovate to 

 oblanceolate, or elliptical-oblong, sessile, apex obtuse to rounded, some- 

 times truncate or emarginate below, tapering gradually to the base, 

 generally equal-sided, shining above, nerves with veins joining them 

 prominent on both sides, 4-7 cm. L, 3 '5-1 -5 cm. br. ; margin entire; 

 surface on both sides but especially beneath, marked with very numerous 

 glandular dots more or less pellucid. Panicles 3-5 cm. 1. Male flowers : 

 Sepals 4, free, shortly triangular, open in bud, -5 mm. 1. Petals 4, 

 narrowly imbricate, ovate, 2-2 -5 mm. L, glandular. Filaments 4, to 

 1-5 mm. 1. ; anthers heart-shaped. Ovary very rudimentary. Female 

 flowers not known. Coccus globular, wrinkled, not keeled, 5-6 mm. 1. ; 

 endocarp not becoming loose. 



