MABTYNIACEAE. 399 



olate, fascicled, 5-15 cm. long, obtuse, acute or short-acuminate at the apex, 

 narrowed to the nearly sessile base; flowers stout-peduncled ; calyx 2-2.5 cm. 

 long, its lobes broad, rounded or obtuse; corolla yellowish-purple, 5-6 cm. 

 long, its lobes lacerate, much shorter than the tube; fruit subglobose to oval, 

 1.5-3 dm. in diameter, its rind hard. 



Jumbie Hole, Acklin's Island: Florida; West Indies; continental tropical 

 America. Often planted for its valuable fruit. CALABASH. 



Family 13. PEDALIACEAE Lindl. 

 PEDALIUM FAMILY. 



Mostly herbs, often mucilaginous, the leaves opposite or the upper 

 alternate, and axillary, solitary or sometimes fascicled, perfect irregular 

 flowers. Calyx 5-cleft or 5-parted. Corolla with a subcylindric tube and 

 a usually short, obscurely 2-lipped, 5-lobed limb. Stamens mostly 4 and 

 didynamous, included; anthers dorsifixed, the sacs parallel, or in some 

 genera distinct. Disk fleshy. Ovary sessile, 2-4-celled; ovules several or 

 many, anatropous; style filiform. Fruit various. Seeds without endo- 

 sperm. About 14 genera, including some 45 species, natives of the Old 

 World. 



1. SESAMUM L. Sp. PL 634. 1753. 



Herbs, usually erect, the lower leaves opposite, the upper alternate, or all 

 sometimes alternate, the violet to white, short-peduncled flowers solitary in the 

 axils. Calyx 5-parted. Tube of the corolla oblique at the base, somewhat 

 gibbous, the limb 5-lobed, slightly 2-lipped, the lobes spreading. Stamens 4, 

 didynamous, borne near the base of the corolla; anthers sagittate. Ovary 2- 

 celled; ovules many in each cavity, superimposed in a single series. Fruit 

 an oblong, 4-sided loculicidal capsule. [Arabic name.] About 12 species, 

 natives of tropical Africa and Asia, the following typical. 



1. Sesamum orientale L. Sp. PI. 634. 1753. 

 Sesamum indicum L. Sp. PI. 634. 1753. 



Erect, simple or branched, more or less pubescent, 0.7-2 m. high. Leaves 

 lanceolate or ovate-lanceolate, 7-15 cm. long, acuminate at the apex, mostly 

 narrowed at the base, papillate beneath, the petioles 1-5 cm. long; peduncles 

 about 4 mm. long; sepals linear-lanceolate,, about 1 cm. long; corolla pale rose, 

 2-3 cm. long; capsule linear-oblong, short-beaked, 4-grooved, 2-3 cm. long. 



Spontaneous after cultivation, Eleuthera and Cat Island : Florida ; West Indies 

 and continental tropical America. Native of the East Indies. SESAMEI. BENNY-SEED. 



Family 14. MARTYNIACEAE Link. 

 UNICORN-PLANT FAMILY. 



Herbs, with opposite leaves, or the upper alternate, and perfect irreg- 

 ular flowers. Calyx inferior, 45-cleft or 4r-5-parted, or sometimes split to 

 the base on the lower side. Corolla gamopetalous, irregular, the tube oblique, 

 the limb slightly 2-lipped, 5-lobed, the lobes nearly equal, the 2 upper ones 

 exterior in the bud. Anther-bearing stamens 4, didynamous, or 2, or the 

 posterior pair sterile; anthers 2-celled, the sacs longitudinally dehiscent. 



