ORDER XLI. CELASTRACE^!. 267 



Genus I.— CARDIOSPER'MUM. L, 8—3. 

 (From the Greek cardia, a heart, and sperma, a seed, from the form of the seed.) 



Calyx 4-leaved, leaves concave, the two exterior ones smallest. 

 Corolla 4-petaled, the lateral ones usually cohering to the sep- 

 als, each with a scale, above the base within. Disk with two 

 glands opposite the inferior petals. Stamens 8. Style trifid. 

 Capsule membranous, 3-valved. Seeds globose, solitary. Her- 

 baceous climbing plants. Leaves biternate. 



1. C. halicac'abum, (L.) Stem nearly glabrous. Leaflets ovate- 

 lanceolate, incisely lobed and toothed. Flowers in axillary, racemose 

 panicles. — White. %. July. On the Ocmulgee, above Macon. 



Genus II— SAPIN'DUS. L. 8—3. 

 (From sapo, soap, and indicus, Indian.) 



Sepals 4 — 5, two exterior ones largest. Petals 4 — 5, lance- 

 olate, bearded within, or with a scale above the claw. Stamens 

 8 — 10. Stigmas 2 — 3. Fruit of 1 carpel, 2 suppressed. 



1. S. sapona'ria, (L.) Small tree with smooth branches, somewhat 

 geniculate. Leaves pinnate, generally 4 or 5 pairs. Leaflets falcats 

 very oblique, not opposite, entire. Petioles 6 — 10 inches long, slightly 

 furrowed. Flowers in dense, compound terminal and axillary panicles, 

 dioecious or polygamous. — White. "^ .^ On the coast of S. Car. and 

 Geo. 20 — 50 feet. ^ Soap-berry. 



Genus III— DODO^E'A. L. 6—1. 

 (In honor of Dodoens, a physician of Germany.) 



Sepals 4. Petals none. Stamens 8. Style filiform, 3 -cleft 

 at the apex. Capsule winged, 2 or 3 valved. Seeds 2 in each 

 cell. 



1. D. visco'sa, (L.) A shrub with simple leaves. Leaves ovate-ob- 

 long, cuneiform, viscous. Flowers in racemes. — 2f.. East Florida. 



Order XLL— CELASTRA'CE^E. 



Sepals 4 — 5, persistent, united at the base, aestivation imbri- 

 cate. Petals equal in number to the sepals and alternate with 

 them, with the same aestivation. Stamens usually 5, alternate 

 with the petals, inserted on a broad fleshy disk at the bottom 

 of the calyx. Ovary more or less surrounded by the disk, 

 2 — 5-celled, each with 1 or 2 or several ascending ovules. 

 Styles 2 — 5, distinct or combined. Fruit capsular, 2 — 5-celled, 

 with a loculicidal dehiscence. Seeds anatropous. Embryo 

 straight. Shrubs. 



