454 



LEGUMINOS^E. CCLXXVI. EXOSTYLIS. CCLXXVII. METROCYNIA. CCLXXVIII. AFZELIA, &c. 



Rhomb-leajleltcd Purging-cassia. Tree 20 to 30 feet. 



14 C. I^E'TA ; leaves with 4 pairs of thin elliptic-oblong leaf- 

 lets, which are rather hairy above, and clothed with soft hairy 

 pubescence beneath; petioles glandless ; peduncles 4-8-flowered. 

 J? . S. Native near Guayaquil, on the sea shore. Cassia lae'ta, 

 H. B. et Kunth, nov. gen. amer. 6. p. 340. Legume unknown. 



Mild Purging-cassia. Tree 30 to 40 feet. 



1.5 C. FISTULOIDES; leaves bipinnate, with 2 pairs of pinnae, 

 each pinna bearing 6 pairs of leaflets ; racemes erect ; legumes 

 terete, obtuse. Jj . S. Native of Mexico. C. fistula, Moc. 

 et Sesse, fl. mex. icon. ined. Cassia fistuloides, Collad. mon. p. 

 87. t. 1. This is a very doubtful species of Cathartocurpus from 

 the form of the leaves. 



Fistula-like Purging-cassia. Tree 20 feet. 



Cult. See Cassia for culture and propagation, p. 450. 



CCLXXVI. EXO'STYLIS (from tfa, exo, without, and 

 ori/Xoc, stylos, a style ; in allusion to the style being much ex- 

 serted beyond the other parts of the flower). Schott. in Spreng. 

 syst. append. 406. 



LIN. SYST. Decdndria, Monogynia. Calyx clavate, 5-cleft, 3 

 of the segments revolute. Petals 5, nearly equal, conniving im- 

 bricately, inserted in the middle of the throat of the calyx. Sta- 

 mens 10, nearly equal, dilated at the base; anthers sagittate, 

 cuspidate. Style elongated, simple. Legume thick, many- 

 seeded A tree, with impari-pinnate leaves, and racemes of 

 rose-coloured flowers. 



1 E. VENU'STA (Schott, 1. c.) A tree, with villous branches, 

 impari-pinnate leaves, ovate, rather pilose leaflets, and subrace- 

 mose bracteate peduncles. Tj . S. Native of Brazil. 



Beautiful Exostylis. Tree. 



Cult. See Copaifera for culture and propagation, p. 456. 



CCLXXVII. METROCY'NIA (an anagram of Cynometra, 

 to which genus the present is nearly allied). Pet. Th. gen. mad. 

 no. 76. D. C. prod. 2. p. 507. 



LIN. SYST. Decdndria, Monogi/nia. Sepals 5, joined together 

 into a campanulate tube at the base, with the lobes long and 

 coloured. Petals 5. Stamens 10 ; filaments hairy, with the 

 anthers inserted on their tops. Ovary pedicellate, hairy. Style 

 length of stamens. Legume short, somewhat reniform, 1- 

 seeded, warted or plaited. A shrub from Madagascar, with 

 abruptly-pinnate leaves, bearing few pairs of leaflets. Flowers 

 disposed in dense spikes. This genus is very nearly allied to 

 Scholia and Cynometra according to M. Du Petit Thouars. 



1 M. COMMERSONII (D. C. prod. 2. p. 507.) T? . S. Native 

 of Madagascar. Shrub smooth. Leaves with 2 pairs of leaflets, 

 the lower pair at the base of the petiole, the upper pair at the 

 apex. Leaflets coriaceous, elliptic-obovate, emarginate. 



Commerson's Metrocynia. Shrub 4 to 6 feet. 



Cult. See Copaifera for culture and propagation, p. 456. 



CCLXXVIII. AFZE' LIA (in honour of Adam Afzelius, M.D. 

 professor of botany in the university of Upsal in Sweden, who 

 in his younger days resided many years at Sierra Leone, where 

 he collected a large herbarium of the vegetables of that country, 

 very few of which he published). Smith, in Lin. trans. 4. p. 221. 

 D. C. prod.' 2. p. 507. 



LIN. SYST. Decdndria, Monogtjnia. Calyx tubular, with a 4- 

 cleft deciduous limb. Petals 4, unguiculate, upper one largest. 

 Stamens 10, 8 of which are fertile, and the 2 superior ones 

 sterile. Style subulate. Stigma acute. Legume ligneous, 

 many-celled. Seeds arillate at the base ; aril cup-shaped, one- 

 half the length of the seed. Embryo straight, at the base of the 

 seed, with a somewhat inclosed radicle and fleshy cotyledons. 

 1 



Flowers disposed in racemes, blood-coloured. This genus is not 

 well known. 



1 A. AFRICA'NA (Smith, 1. c.) 8 of the stamens fertile. T? . S. 

 Native of Sierra Leone. Seeds black, with scarlet aril, which 

 becomes yellow on drying. Leaves abruptly pinnate. 



African Afzelia. Tree. 



2 A. PANCOVIA (D. C. prod. 2. p. 507.) 7 of the stamens fer- 

 tile. Tj.S. Native of Guinea. Pancovia bijuga, Willd. spec. 

 2. p. 285. Smith in Rees" cycl. vol. 26. Afzelia bijuga, Spreng. 

 syst. append. 170. Leaves with 2 pairs of leaflets. 



Pancovius's Afzelia. Tree. 



Cult. See Copaifera for culture and propagation, p. 456. 



CCLXXIX. MELANO'XYLON (from/w\a e jutXaroc, melas 

 melanos, black, and t>Xoi', xylon, wood ; wood black). Schott, 

 in Spreng. syst. append, p. 406. 



LIN. SYST. Decdndria, Monogynia. Calyx deeply 5-cleft. 

 Petals 5, nearly equal. Stamens 10, hairy. Legume com- 

 pressed, falcate. Seeds furnished with a winged arillus each. 



1 M. BRA UNA (Schott, 1. c.) Jj . S. Native of Brazil. A 

 tree, with reddish brown wood, impari-pinnate leaves, oblong- 

 lanceolate leaflets, which are hairy beneath, and panicled racemes 

 of flowers. Flowers clothed with rusty tomentum. 



Brauna Melanoxylon. Tree. 



Cult. For culture and propagation see Copaifera, p. 456. 



CCLXXX. ACO'SMIUM (from <m><r/ua, acosmia, want of 

 ornament ; a tree without beauty). Schott, in Spreng. syst. 

 append. 406. 



LIN. SYST. Decdndria, Monogynia. Calyx campanulate, 4-5- 

 cleft. Petals 5, spreading. Stamens 1 0, inserted in the bottom 

 of the calyx. Ovary elongated, perhaps a legume. 



1 A. LENTISCIFOLIUM (Schott, 1. c.) Jj . S. Native of Brazil. 

 A shrub, with impari-pinnate leaves, elliptic-lanceolate shining 

 leaflets, and yellow flowers. Racemiferous branches leafless. 

 Sweetia tamarindifolia, Spreng. syst. 2. p. 213. 



Lentiscus-leaved Acosmium. Shrub. 



Cult. For culture and propagation see Copaifera, p. 456. 



CCLXXXI. SCHOTIA (so named by Jacquin in honour of 

 Richard Van der Schot, his companion in his travels). Jacq. 

 coll. 1. p. 93. Lam. ill. t. 331. D. C. prod. 2. p. 507. Scotia, 

 Thanh. 



LIN. SYST. Decdndria, Monogynia. Sepals 5, coloured, joined 

 together at the base. Petals 5, lateral ones incumbent. Stamens 

 10 ; filaments glabrous ; anthers glandless. Ovary pedicellate. 

 Style filiform. Legume unknown. Trees, with rigid branches, 

 abruptly-pinnate leaves, few-flowered racemes, and vermilion- 

 coloured flowers. 



SECT. I. SCHOTIA (see genus for derivation). Calyx tubular at 

 the base, with 5 erect lobes. Fruit unknown. Leaves abruptly 

 pinnate. 



1 S. SPECIOSA (Jacq. icon. rar. 1. t. 75. Andr. bot. rep. t. 

 348.) leaves with 7-10 pairs of oval-lanceolate, acuminated leaf- 

 lets, ending each in a spine-like mucrone ; stipulas subulate, 



Jj . S. Native of Senegal and the Cape of Good Hope. Guay- 

 acum A'frum, Lin. spec. 547. S. A'fra, Thunb. prod. 79. Theo- 

 dora speciSsa, Med. mon. p. 16. t. 1. Flowers scarlet. 



Shewy Scholia. Fl. July, Dec. Clt. 1759. Sh. 5 to 6 feet. 



2 S. TAMARINDIFOLIA (Afz. ex bot. mag. t. 1153.) leaves with 

 8-10 pairs of ovate, bluntish, mucronate or awnless leaflets, 

 rather gibbous in front at the base. Jj . S. Native of the Cape 

 of Good Hope. Ait. hort. kew. ed. 2. vol. 3. p. 33. Flowers 

 crimson. Legume broad, large, arched, reticulately veiny, and 

 with the sutures thickened. 



