804 



RUTACE.E. XLII. ZANTHOXYLUM. 



30 Z. HERMAPHRODITUM (Willd. spec. 4. p. 756.) prickly ; 

 leaves impari-pinnate, with 5 pairs of oblong, quite entire, acu- 

 minated leaflets, which are almost equal at the base ; petioles 

 unarmed ; panicles terminal. Tj . S. Native of Guiana, in woods. 

 Ovaries 3-5, each terminated by a style. Fagara pentandra, 

 Aubl. guian. 1. p. 78. t. 30. Fagara Guianensis, Lam. diet. 2. 

 p. 446. Wood hard, white, and durable. Flowers white. The 

 tree is called Cacatin by the Caripous, and Poivre des Negroes 

 by the Creoles. 



Hermaphrodite Tooth-ache-tree. Fl. May. Tree 50 feet. 



SECT. V. LANGSDORFIA (in honour of George Langsdorf, of 

 Heidelberg, a great traveller and collector of plants). Leandr. 

 but not of Rich. Pohlana, Nees et Mart Macqueria, Comm. 

 Calyx 5-parted. Petals 5. Stamens 5. Ovaries 1. Style 1. 



31 Z. LANGSDORFII (St. Hil. fl. bras. 1. p. 76.) prickly; 

 leaves impari-pinnate ; leaflets oblong-lanceolate, serrated, un- 

 equal at the base ; petioles pubescent ; flowers thyrsoid, lateral, 

 and terminal. Tj . S Native of Brazil. Pohlana Langsdorfii, 

 Nees et Mart, in nov. act. bonn. 12. p. 17. Flowers green. 

 Langsdorfia, Leandr. de sacram. denkschr. der Akad. de W. 

 zu Munchen 12. p. 29. t. 12. 



Langsdorf s Tooth-ache-tree. Shrub 3 feet. 



32 Z. MONO'GYNUM (St. Hil. in bull, philom. 1823. p. 129.) 

 unarmed ; leaves trifoliate ; leaflets roundish-elliptical, sharply 

 taper-pointed, obtuse, quite entire, smooth ; common petiole and 

 middle nerve of leaf puberulous ; panicles terminal ; pistils so- 

 litary, rarely twin. Tj . S. Native of Brazil, . where it is com- 

 monly called Ponta da Fruta and Larangeira''braba. Flowers 

 green ? 



Monogynous Tooth-ache-tree. Shrub. 



33 Z. SENEGALE'NSE (D. C. prod. 1. p. 726.) prickly; leaves 

 impari-pinnate ; leaflets obovate, quite entire, somewhat emar- 

 ginate ; petioles terete, and are as well as the nerves of the leaves 

 prickly. Ij . S. Native of Senegal. Fagara zanthoxyloides, 

 Lam. diet. 2. p. 446. Flowers white. 



Senegal Tooth-ache-tree. Shrub. 



34 Z. HETEROPHY'LLUM (Smith, in Rees" cycl. no. 14.) prickly; 

 leaves impari-pinnate, very long on young trees, with about 20 

 pairs of prickly leaflets, but they are much shorter on the adult 

 trees, with about 4 pairs of unarmed leaflets ; petioles round. 

 Jj . S. Native of the Island of Bourbon, about Gol. Fagara 

 heterophylla, Lam. diet. 2. p. 445. Macqueria, Comm. Flowers 

 hermaphrodite, white. 



Variable-leaved Tooth-ache-tree. Tree. 



35 Z. soRBir6nuM (St. Hil. fl. bras. 1. p. 75.) prickly ; leaves 

 pinnate, with 3-5 pairs of ovate-oblong, obtuse, rather refuse, 

 crenate-serrated, smooth leaflets ; peduncles rather prickly ; 

 rachis wingless ; flowers panicled, 5-petalled ; pistil solitary. 

 ^ . S. Native of Brazil, near Rio Janeiro. Flowers greenish. 



Mountain-ash-leaved Tooth-ache-tree. Fl. Aug. Tree. 



36 Z. AUSTRALA'SICUM (Andr. Juss. in mem. mus. 12. p. 503.) 

 branches tubercled ; leaves simple, oblong-linear, obtuse, entire ; 

 peduncles terminal, few-flowered ; ovaries 5, only one of which 

 comes to maturity ; styles joined. Tj . G. Native of New Hol- 

 land. Eriostemon linearifolium, D. C. prod. 1. p. 720. 



Australian Tooth-ache-tree. Shrub feet. 



SECT. VI. AUBE'RTIA (in honour of Aubert du Petit Thouars, 

 a well known French botanist). Bory St. Vine. voy. afr. 1. p. 

 256. t. 18. Calyx short, 4-parted. Petals 4, longer than the 

 calyx. Stamens 4, very short ; anthers barren. Ovaries 4, 

 seated on a short gynophore. Capsules 4, or fewer from abor- 

 tion, each containing 1-2-seeds. 



37 Z. AUBE'RTIA (D. C. prod. 1. p. 725.) unarmed; leaves 

 opposite, simple, ovate, obtuse, quite entire or emarginate, full 



of pellucid dots ; flowers disposed in axillary racemes. ^ . S. 

 Native of the Island of Bourbon, on the high plains called 

 D'Afouge. Aubertia Borbonica, Bory, 1. c. 



Aubert du Petit Thouars' Tooth-ache-tree. Tree 20 feet. 



38 Z. OBTUSIFOLIUM ; leaves trifoliate; leaflets oval, obtuse, 

 smooth ; panicles axillary, a little shorter than the leaves. 

 I? . S. Native of the Mauritius. Evodia obtusif olia, D. C. 

 prod. 1. p. 724. Style simple, deeply 4-parted into revolute 

 segments. 



Blunt-leaved Tooth-ache-tree. Shrub. 



SECT. VII. AMPA'CUS (Malay name of Z. triphylluin) Rumph. 

 amb. 2. p. 188. 189. t. 61. t. 62. Evodia, B.C. prod. 1. p. 

 724. Flowers hermaphrodite. Calyx 4-5-toothed. Petals 

 4-5. Glands 5, between the stamens and the ovary ; ovaries 

 4, connected at the base, each containing 1 or 2 seeds. 



39 Z. LATIFOLIUM ; unarmed ; leaves opposite, trifoliate ; leaf- 

 lets ovate, acute, woolly beneath ; panicles axillary, length of 

 petioles. Tj . S. Native of Amboyna. Ampacus latifolia, 

 Rumph. amb. 2. p. 186. t. 61. Evodia latifolia, D. C. prod. 1 . 

 p. 724. Leaflets 8 or 12 inches long. Flowers white. 



Broad-leaved Tooth-ache-tree. Tree 20 feet. 



40 Z. TRIPHY'LLUM ; unarmed ; leaves opposite, trifoliate ; 

 leaflets oblong, entire, smooth ; panicles axillary, pyramidal, 

 about the length of the petioles. \j . S. Native of the East 

 Indies, in the island of Pulo-Penang. Z. Lamarkianum, Nees. 

 Fagara triphylla, Lam. diet. 2. p. 447. Roxb. fl. ind. 1. p. 

 436. Evodiaftriphylla, D. C. prod. 1. p. 724. Ampacus an- 

 gustifolia, Rumph. amb. ii. p. 188. t. 62. Flowers numerous, 

 minute, white, scentless. Calyx 4-toothed. Petals 4, 4-times 

 longer than the calyx. Stamens 4. Ovary roundish, woolly, 

 4-furrowed, the filaments resting in the furrows. Style 1, ter- 

 minated by a 4-lotjed stigma. Capsules 1-4, distinct, size of a 

 field-bean, 1 -celled, -2-valved, opening along the upper and inner 

 margin, each containmg 2 seeds. 



Three-leaved Tooth-ac^jj*^- Shrub 4 feet. 



f The flowers of the following species being unknown, it is 

 therefore doubtful to which of the sections they may belong. 

 The leaves of all are impari-pinnate, and the flowers of most of 

 them are probably dioecious, 



41 Z. RI'GIDUM (Humb. in Willd. spec. 4. p. 756. and H. B. 

 et Kunth, nov. gen. amer. 6. p. 4.) prickly ; leaflets 4 pairs, 

 elliptical, quite entire, emarginate, mucronate, hairy on the veins 

 beneath, with the middle rib and petioles prickly. ^ S. Na- 

 tive of South America. 



Stiff Toolh-ache-tree. Tree or shrub. 



42 Z. JUGLANDIFOLIUM (Willd. spec. 4. p. 756.) armed; 

 leaflets oblong, acuminated, obsoletely serrated, unequal at the 

 base, a little dotted ; petioles prickly ; panicles terminal. Jj .S. 

 Native of St. Domingo. Pluk. t. 239. f. 6. Leaflets stalked, 

 alternate. 



Far. /3, Berterianum (D. C. prod. 1 . p. 727.) leaflets sessile, 

 usually opposite ; racemes and petioles pubescent. Tj . S. 

 Juglans-leaved Tooth-ache-tree. Tree. 



43 Z. LANCEOLA'TUM (Poir. suppl. 2. p. 293.) armed ; leaflets 

 6-7 pairs, elliptical-lanceolate, membranaceous, without dots, 

 hairy beneath ; petioles prickly ; panicles terminal, fy . S. 

 Native of Porto Rico, where it is called. Cenizo, and of Gua- 

 daloupe. 



Lanceolate-\eafiettet[ Tooth-ache-tree. Tree? 



44 Z. CLA'VA-HE'RCULIS (Lin. spec. 1455, exclusive of the 

 synonyms) armed ; leaflets 4 pairs, ovate, repandly-toothed, un- 

 equal at the base, quite smooth, sessile, full of pellucid dots ; 

 panicles terminal. Tj . S. Native of the Caribbee Islands. 



