Zanthoxijliim RUTACE^ 177 



§ 4, Prickles, if present, straight, generally scattered on the 

 branches, stipular in Z. trifoliatum. Leaves with petiole 

 and rhachis grooved, not winged ; with or without an odd 

 leaflet ; leaflets opposite ; pellucid dots few, mostly mar- 

 ginal, or wanting. Inflorescence paniculate, sometimes 

 corymbose, terminal and in upper axils ; pedicels, if 

 present, slender. Floral parts in 3's. Carpels 3, 2, or 1. 

 Fruit of 1-3 cocci. 



8. Z. trifoliatum Wright Mem. 240 (1828) (non L.) ; leaves 

 with an odd leaflet ; leaflets usually 3, obovate-elliptical to 

 elliptical-lanceolate, apex retuse or emarginate, rounded, obtuse, 

 acute, or shortly acuminate ; inflorescence axillary, clustered, 

 racemose or paniculate, shorter than the petiole ; carpels 2 ; 

 cocci 2 (or 1). — Z. punctatum Vahl in West Bidr. Ste. Croix 310 

 (1793) ; P. Wils. in N. Amer. Fl. xxv. 182. Z. ternatum Sw. Fl. 

 Ind. Occ. 570 (1797). Fagara trifoliata Sw. Prodr. 33 (1788) ; 

 Urb. in Engl. Jahrh. xxi. 584. Tobinia ternata Ham. Prodr. 57 

 (1825); Oriseb. op. eit. 136. T. punctata Griseb. op. cit. 137 

 (1859). The type, F. trifoliata Sw., is in Herb. Mus. Brit. 



Toothache Tree. 



Wright; Bertero. — West Indies (but not recorded from Cuba). 



Shrub G-25 ft. high. Brandies : sterile, usually with stipular prickles, 

 flowering, generally without prickles. Leaflets 3 (2-7), even 13 in young 

 plants, 2-5-8 cm. 1., l"2-4 cm. br. ; margin altogether or towards the apex 

 obscurely crenulate, with black glandular dots beneath, rarely with a few 

 pellucid dots. Inflorescence to 1'5 cm. 1. Flowers shortly stalked. 

 Sepals 3, •4--7 mm. 1. Petals 3, 1-8-2-3 mm. 1., white or yellowish- 

 white, roundish-ovate or elliptical. Cocci globular, 3-5-4 mm. 1., 

 3-3-5 mm. br. 



Wright states that the root-bark of this species and of Z. martinicense 

 DO. produces salivary discharge, and is serviceable in toothache. 



Z. trifoliatum L. (Sp. PI. 270), of which there is a specimen in Herb. 

 Linn., is Acanthopanax aculcatum Seem. 



9. Z. Hartii P. Wils. in Bull. Torr. Bot. Club xxxvii. 85 

 (1910) & in N. Amer. Fl xxv. pt. 3, 185; leaves with an odd 

 leaflet ; leaflets elliptical, apex obtuse or rounded ; inflorescence 

 terminal and axillary, corymbose ; carpels 3. — Fagara Hartii 

 Kr. <i Urb. in Engl, fahrb. xxi. 556 (1896). 



J.P. 1480, Hart ; below John Crow Peak, 5800 ft,, Harris ! Fl. Jam. 

 6524 (Harris's specimen without either flowers or fruit). 



Tree, 18 ft. high ; trunk divided into several stems just above the 

 ground ; small stems armed with spines, branches unarmed. Leaves 

 2-6 cm. 1. ; leaflets 3-9, sometimes slightly unequal-sided, but base more 

 so, 2-5 cm. 1., margin crenulate, glandular-dotted beneath; pellucid dots 

 along the margin, rarely within . Inflorescence (not seen by us) 1 • 5-2 cm. 1. ; 

 bracts ovate to roundish-triangular, 1-5--5 mm. 1. Female flowers not 

 quite fully developed. Sepals 3, about 1 mm. 1. Petals 3, elliptical, with 

 rounded apex. Staminodes wanting. Oynophore short, disk-like. Ovary 

 of 3 sessile carpels, slightly united above the base. 



IV. N 



