^- DICOTYLEDONS. 189 



flowers regular, perfect, axillary, solitary or cyinose ; calyx 

 5-parted or 5-sepalous, usually persistent ; corolla funnel- 

 form or salver-form, 5-angled or 5-lobed, convolute ; stamens 

 5, alternate with the lobes of the corolla, and inserted in its 

 tube; ovary free, sessile, 2-3-celled with 2 ovules in each 

 cell, or 4-6-celled with 1 ovule in each cell, styles 1-3, 

 entire or 2-cleft; fruit a 1-6-seeded capsule. 



I. DICHONDRA. 



Perennial creeping herbs, rooting at the nodes ; leaves 

 cordate or reniform, petioled ; flowers solitary, perfect, on 

 bractless peduncles shorter than the leaves ; calyx 5-parted, 

 lobes narrowly obovate or spatulate ; corolla rotate or open 

 funnel-form, 5-lobed, shorter than the calyx ; stamens 5, in- 

 cluded ; ovary deeply 2-parted, 4-celled, styles 2, stigmas 

 capitate ; fruit 2 distinct capsules, each 1-2-seeded. 



1). EvoLviLACKA (L.) Britt. DiCHOXDRA. Stoms slender, 

 pubescent, 0-15 in. long; leaves deeply cordate or reniform, pal- 

 mately veined ; petiole 1-^J in. long; flowers small, greenish-yellow, 

 less than ^ in. wide ; peduncles slender, erect; calyx silky-pubescent, 

 lobes of the corolla obovate or spatulate ; capsule small, pubescent, 

 seeds smooth. ^hirch-October. On damp soil. 



II. BREWERIA. 



Perennial trailing herbs; stem slender, pubescent; leaves 

 entire, sessile or short-i)etioled ; flowers small, on axillary 

 peduncles longer than the leaves ; sepals 5 ; corolla white or 

 yellow, bell-shaped, hairy, 5-lobed or angled ; stamens in- 

 cluded ; ovary 2-celled, 4-ovuled, styles 2, distinct or united 

 below% stigmas peltate ; fruit a 1-4-seeded capsule. 



B. niMisTHATA (Walt.) dr. Brkwkiua. Stem slender, ]»ubes- 

 cent or rough-hairy, hranching, l—'J ft. long; leaves oblong to ellipti- 

 cal, acute, ohtuse or einarginate and niucronate at the apex, rounde*! 

 or cordate at tlie hase, puhescent ; petiole short: pechmcles very 

 slcMider, 1-7-flowered, minutely bracted above; sei)als ovate, usually 

 smooth, fringed on the niargins ; corolla white; filaments hairy; 

 style *J-('l<'ft ; caiisiUe ovoid, as long as the calyx, mostly I-seeded. 

 .M;iy ScpttMiilx'i-. In dry woods. 



