Flora Medica

BURSERA.Flowers polygamous. Calyx small, 3-5-parted, with obtuselobes. Petals 3-5, spreading, valvate. Stamens 6-8. Annulardisk, with about 8 crenatures. Ovary ovate, 3-celled ;styleshort trifid. Drupe oblong, with 3 stones of which 2 are abortive;a succulent 3-valved rind. American balsamiferous trees,with unequally pinnated or simple leaves. Racemes axillary andterminal.338. B. acuminata Willd. sp.pl. iv. 1120. DC. prodr.n. 78.Porto Rico and St. Domingo.Leaflets oblong, acuminate, acute at the base. Racemes axillary.A yellow concrete essential oil is yielded by this plant, Royle.339. B. gummifera Jacq. amer. 94. t. 75. also abounds in aturpentine-like secretion which hardens as it dries. This plantis found in Cuba, St. Domingo, Jamaica and on the adjoiningcontinent, and appears to be not very different from the last.BOSWELLIA.Flowers bisexual. Calyx small, 5-toothed, persistent. Petals5, obovate-oblong, very patent, acute at the base, inserted underthemargin of the disk: aestivation slightly imbricative. StamenslO,inserted under the disk, alternately shorter :filaments, subulate,persistent anthers caducous. Torus a : cup-shaped disk, fleshy,larger than the calyx, crenulated on the margin. Ovary oblong,sessile. Style 1, the length of the stamens, caducous. Stigmacapitate, 3-lobed. Fruit capsular, 3-angled, 3-celled, 3-valved,septicidal valves hard. Seeds : solitary in each cell, surrounded byabroad membranaceouswing. Cotyledons intricately folded, multifid.Trees producing balsam and resin. Leaves deciduous,alternate towards the top of the branches, unequally pinnated :leaflets opposite, serrated. Stipules none. Racemes terminal oraxillary. Flowers on short pedicels, white. W. and A.34-0. B. thurifera Colebr. in As. research, ix. 317. and xi. 158.Roxb.fl.ind. ii. 383. W. and A. i. 174 B. serrata S. and C.iii. t. 147. Pereira in med. gaz. xx. 676. A&O.VOC, Dioscorid.Mountainous parts of Coromandel, Bundulkund, &c.Leaflets oblong, obtuse, serrated, pubescent. Racemes axillary,single, shorter than the leaves. W.aud A. Resin is called Olibanum ;chiefly used as an incense in Indian temples, but also stimulant, astringent,and diaphoretic. Prescribed by the native Indian doctors, mixedwith clarified butter, in gonorrhoea and bloody flux.ICICA.Calyx small, obtusely 5-toothed. Petals 5, inserted under thedisk, recurved, sessile, valvate. Stamens 10, inserted with171