

SAPOTACEAE 909 



cent without : lobes 5, spreading. Stamens 16, included : anther sacs opening by nearly 

 terminal pores. Staminodia wanting. Ovary sessile, often 4-8-celled, pubescent: styles 

 united : stigmas narrow, spreading or recurved. Berry spheroidal. 



1. Brayodendron Texanum (Scheele) Small. An intricately branched shrub, or 

 tree reaching a height of 16 m., with a trunk diameter of 6 dm. Bark smooth, gray : leaf- 

 blades leathery, cuneate, oblong-cuneate or obovate, 1-5 cm. long, obtuse or retuse at the 

 apex, entire, commonly abruptly narrowed at the base, nearly sessile, becoming glabrous 

 above, more or less tomentose beneath : calyx-lobes 5-6, ovate, obtuse, spreading or re- 

 flexed : corolla urn-shaped, pubescent without, 5-8 mm. long ; lobes 5, suborbicular, 

 notched at the apex, spreading : stamens 16-20 ; anthers glabrous : staininodia wanting : 

 ovary pubescent : berry depressed-globose, about 2 cm. in diameter, black, apiculate, becom- 

 ing luscious : seeds 3-8. 



In river valleys, Texas and northern Mexico. Spring ; matures its fruit in August. BLJLCK. PEB- 

 SIMMON. MEXICAN PERSIMMON. CHAPOTE. 



FAMILY 2. SAPOTACEAE Reichenb. SAPODILLA FAMILY. 



Shrubs or trees, sometimes thorn-armed, usually possessing a milky sap. 

 Leaves mostly alternate, without stipules : blades entire, commonly densely 

 nerved. Inflorescence clustered. Flowers perfect or rarely polygamous, com- 

 plete. Calyx of 4-12 sepals, imbricated in one or two series. Corolla often 

 white, with 4-several lobes, deciduous, with or without appendages at the sinuses. 

 Androecium of usually as many stamens as the corolla-lobes, adnate to the 

 corolla-tube, often to the bases of the lobes and opposite them, alternating with 

 commonly conspicuous staminodia. Filaments distinct. Anthers often attached 

 at the base, opening somewhat extrorsely. Gynoecium of several united carpels. 

 Ovary 4-12-celled, free, sessile. Styles united. Stigmas entire or slightly lobed. 

 Ovules solitary in each cavity, ascending, anatropous. Fruit a many-celled or 

 by suppression a one-celled berry. Seeds nut-like, with a shining testa. Endo- 

 sperm fleshy or wanting. Embryo straight, central or somewhat lateral. 



Sepals and corolla-lobes 5. 



Staminodia and corolla-appendages wanting. 1. CHRYSOPHYLLUM. 



Staminodia present. 



Appendages of the corolla wanting. 2. SIDEROXYLON. 



Appendages of the corolla present. 



Ovary glabrous : endosperm copious. 8. DIPHOLIS. 



Ovary pubescent : endosperm wanting or very scant. 4. BUMELIA. 



Sepals and corolla-lobes 6-12. 5. MIMUSOPS. 



1. CHRYSOPHYLLUM L. 



Shrubs or trees, with a milky sap, and sometimes lustrous-pubescent foliage. Leaves 

 alternate : blades leathery. Flowers small, in axillary or lateral clusters. Sepals mostly 

 5, nearly equal. Corolla-lobes mostly 5, without appendages at the sinuses. Stamens 5, 

 adnate to the bases of the corolla-lobes, or on the tube, included. Anthers often pubes- 

 cent, opening longitudinally. Staminodia wanting. Ovary mostly 5-celled, pubescent. 

 Berry 1-seeded, pulpy. Seed compressed, with a leathery opaque or shining testa. Endo- 

 sperm fleshy. Embryo straight. SATINLEAF. 



1. Chrysophyllum monopyrenum Sw. A small evergreen tree, sometimes 10 m. tall, 

 with a maximum trunk diameter of 3 dm., the twigs and lower leaf-surface and inflores- 

 cence with a lustrous copper-colored pubescence. Leaf-blades leathery, oblong, elliptic or 

 oval, 3-10 cm. long, acute or short-acuminate, glabrous and lustrous above, acute or 

 rounded at the base ; petioles stout, about 1 cm. long : clusters few-flowered : pedicels 5-8 

 mm. long, thickened upward : calyx silky ; sepals suborbicular, 1.5 cm. long : corolla 5 

 mm. broad, white ; lobes suborbicular, obtuse : appendages and staminodia none : anthers 

 nearly sessile : berries oval, about 2 cm. long, dark purple : seed smooth. [(7. oliviforme 

 Lam., not L.] 



Southern Florida, on the peninsula and the Keys. Also on the Bahamas and the West Indies. 

 Flowerg throughout the year. 



2. SIDEROXYLON L. 



Unarmed shrubs or trees. Leaves alternate : blades leathery, sometimes rather thin. 

 Flowers small, in often dense axillary or lateral clusters. Sepals ovate to obovate, com- 

 monly obtuse, strongly imbricated. Corolla-lobes 5, shorter or longer than the tube> 



