140 RUTACEjE. 



proceeding from an emarginate scale (which, however, is sometimes abortive). Ovary 

 3-celled: cells biovulate; style short, tripartite. "Pericarp dry, woody, 3 (-2) -angular. 

 Embryo albuminous, straight." — Trees without branches, bearing pinnate leaves and large 

 panicles at 'the extremity of the stem; leaflets multijugal, oblique at the base: rhachis 

 woody ; panicle constituted of numerous corymbiform cymes : flowers red. 



24. S. simplex, L. Leaflets 20-40-jugal, puberulous* and glabrate beneath, oblong- 

 lanceolate or linear-lanceolate acuminate, or falcate, crenate or quite entire : petiole sub- 

 cylindrical ; panicle powdery. — SI. 1. 171. — S. glabrescens, Planch. ! : a form with the 

 villous stamen-scales abortive, and the filaments consequently hypogynous, subulate, glabrous. 

 — Stem slender, resembling a Palm, 20'-50' high ; leaves and panicles several feet long; 

 leaflets extremely variable, opposite or alternate, sessile or petiolulate, cordate or obliquely 

 rounded at the base, crenate below the middle or to the top, or repand and quite entire. — 

 Hab. Jamaica !, Dist., Pd., Al., March, common in the lower limestone-hills. 



12. CASTELA, Turp. 



Flowers dioecious. Calyx 4-partite. Stamens 8, proceeding from a disc : anthers extrorse. 

 Ovaries 4, distinct, uniovulate : style 4-partite. Carpids drupaceous. Embryo straight, 

 included within a thin albumen : cotyledons leafy. — Low spiny shrubs ; leaves simple, 

 small, quite entire, articulated with the branch ; flowers clustered or solitary in the axils, 

 yellow. 



25. C. erecta, Turp. Spines usually extra-axillary; leaves lanceolate, subsessile, 

 tapering at the base, silky -pubescent beneath ; divisions of the style revolute. — Ann. Mus. 

 7. t. 5 B; Bot. Misc. 1. t. 55 ; As. Gr. Gen. Bor. Amer. t. 158.— C. Nicholsonii, Hook.! 

 — Leaves 4"'-6'" long. — Hab. Antigua !, Nichols. ; [Texas!]. 



13. P1CR.ENA, Lindl. 



Flowers polygamous. Calyx 5(-4)-fid. Stamens 5(-4), exserted, proceeding from a disc. 

 Ovaries 3, distinct : style 3-partite. Carpids drupaceous : seeds solitary, ascending. Em- 

 bryo exalbuminous, undivided. — A tree ; leaves impari-pinnate ; flowers in corymbiform, 

 panicled cymes. 



26. P. excelsa, Lindl. — Act. Holm. 1788, t. 8. — Quassia, Sw. Q. polygama, Linds. 

 Simaruba excelsa, DC. — A high tree ; leaflets 9-11, opposite, petiolulate, oblong or oblong- 

 lanceolate, with a blunt point, leathery, glabrous, quite entire, 4"-2" long ; panicles axillary, 

 pubescent, much exceeded by the leaf ; calyx minute ; petals 1'" long, oblong, pale-yellowish- 

 green; drupes globose, black, 6" '-3'" diam. — Hab. Jamaica !, Macf, Pd., AL, common in 

 the lowlands ; Antigua !, Nichols., St. Vincent !, Anders. 



14. PICRAMNIA, Sw. 



Flowers dioecious. Calyx 3-5-fid. Petals 3-5 (-0), small, pointed. Stamens 3-5, 

 opposite the petals, inserted below a disc. Ovary 2-3-celled : cells biovulate : stigmas 2-3, 

 subsessile. Pericarp baccate : seeds solitary, pendulous. Embryo exalbuminous, undivided. 

 — Shrubs or low trees ; leaves impari-pinnate : leaflets usually alternate, petiolulate ; flowers 

 clustered : clusters in long, slender racemes. 



27. P. pentandra, Sw. Leaflets 5-9, ovate-oblong, pointleted, glabrous ; racemes 

 puberulous, pendulous, often divided at the base, nearly as long as the leaves; petals 5, 

 oblong-linear, exceeded by the stamens ; berries oblong-ovoid or ovoid, rounded at both 

 ends. — Rich. Cub. t. 36 A. — P. micrantha, Tul. — A shrub, 10'-15' high; leaflets papery, 

 shining, 3"-2" long : veins reticulated, prominulous on both sides ; petals 1'" long j berries 

 5'" long, 3'" broad, reddish, at length dark-blue, or black, shining. — Hab. Jamaica (Tul.) ; 

 Antigua !, Nichols. ; Montserrat; [Cuba!, Guadeloupe!]. 



28. P. antidesxnoid.es, Gr. (». sp.). Leaflets 5-7, lanceolate-elliptical, with a bluntish 

 point, glabrous ; $ racemes puberulous, pendulous, at length twice as long as.the leaves : 

 petals 5, linear ; berries obovoid, tapering from below the rounded top to the base. — Leaf- 

 lets papery, 4"-2" long, li"-l" broad : veins rather prominent beneath ; petals of ? 1'" 

 long, male unknown ; berries shining, 6"'-8'" long, 3"'-4'" broad. — Hab. Trinidad !, Cr. 



