CLASS X. ORDER I. 47 



covered with the calyx ; stamens and pistils vary in number. The calyx iu 

 some species, might be taken for a corolla, (knot-grass, water-pepper, buck- 

 wheat, heart's-ease.) 



Bruni'chia. Calyx tubular, inflated, 5-cleft, angular at the base; corolla 0; 

 styles short ; stigma 2-cleft ; seed 1 ; stamens 8 to 10. 



Sapin"dos. Calyx of 4 sepals; corolla of 4 petals; capsule fleshy, vntri- 

 cose. (soap-berry.) 



Cardios^permum. (See specific description.) 



ORDER IV. TETRAGYNIA, 



Adoxa. Calyx inferior, 2 or 3-cleft ; corolla 4 or 5-cleft; berry 1-celled, 4 or 

 5-seeded, attached to the calyx; flowers lateral; stamens 8 to 10. iS. 



CLASS IX. ENNEANDRIA. 



ORDER I. MONOGYNIA. 



Lau'rus. Calyx 4 to 6-parted; corolla 0; nectaries 3, each a 2-bristled or 2- 

 lobed gland, surrounding the germ ; drupe 1-seeded; stamens vary from 3 to 

 14, but they are generally in two series of 6 each, with 3 of the inner series 

 barren — often dioecious. The calyx may be taken for a corolla, (sassafras, 

 spice-bush.) 



Erigo'num. Perianth bell-form, 5-cleft ; seed triangular, covered by the ca- 

 lyx; flowers involucred. iS. 



ORDER III. TRIGYNIA. 



Rhe'om. Perianth 6-cleft, permanent ; seed 1 to 3-sided, (rhubarb.) 

 CLASS X. DECANDRIA. 



ORDER I. MONOGYNIA. 

 A. Exotic Jloxvers poly fetalous, irregular, {mo stty papilionaceous.') 



Cas"sia. Calyx 5-leaved ; corolla 5-petalled ; anthers 3, lower ones beaked, 

 and on longer incurved filaments; legume membranaceous, (cassia.) 



Bapti'sia. Calyx 4 or 5-cleft, half-way, (sometimes 4-toothed,) somewhat 2- 

 lipped; corolla papilionaceous; wings of the length of the reflexed banner; 

 stamens caducous; legume inflated, smooth, many-seeded, (wild indigo.) 



Cer"cis, Calyx 5-toothed, gibbous below; corolla papilionaceous, wings long- 

 er than the banner; keel 3-petalled; legume compressed ; seed-bearing suture 

 margined ; seeds obovate. (Judas-tree.) 



SoPHORA. Calyx 5-toothed ; pod many-seeded, not winged. S. 



Ther'mia. Calyx oblong, 2-lipped, convex behind; banner reflexed; keel 

 obtuse; pod linear, many-seeded, (false lupine.) S. 



Virgil'ia. Calyx 5-cleft; petals equal; stigma beardless; pod compressed, 

 oblong ; many-seeded. S. 



Poma'ria. Calyx turbinate, 5-parted, caducous; petals 5, with short claws; 

 filaments hirsute below ; legume 1-celled, 2-seeded. (S. 



Rhodo'ra. Calyx 5-toothed ; corolla 3-petalled, or 2-petalled, with the upper 

 one deeply parted; stamens declined; capsule 5-celled, 5-valved, opening at 

 the top. 



B. Floivers polypetalous, regular. 



Pyro'la. Calyx 5-parted ; petals 5; styles longer than the stamens; anthers 

 with 2 pores at the base before, and at the top after the opening of the flower; 

 capsule 5-celled, dehiscent at the angles near the base, (shin-leaf) 



Chimaph"ila. Calyx 5-parted; petals 5; anthers beaked, with 2 pores at the 

 base before, and at the top after the opening of the flower; style immersed; 

 stigma thick, orbiculate ; capsule 5-celled, dehiscent at the angles near the sum- 

 mit, (prince's pine, pipsissiwa.) 



Leiophyl"lom. Calyx 5-parted ; corolla flat, 5-parted or 5-petalled; stamens 

 longer than the corolla, with lateral anthers opening longitudinally on their 

 insides ; capsule 5-celled, dehiscent at the top, 5-valved; valves ovate Avith 

 margins inliexed, remote, straight; columella sub-ovate, terete, rugose; seeds 

 small, not winged; leaves always glabrous, (sleek-leaf.) 



Cleth"ra. Calyx 5-parted, permanent; corolla 5-petalled; style permanent: 

 stigma short, 3-cleft ; capsule 3-celled, 3-valved, enclosed by the calyx ; spiked 

 (sweet nepper-bush.) 



25* 



