360 DECANDRIA DIGYNIA. 



5-cleft ; stam. 5 10, declinate ; anth. opening by 2 terminal pores j 

 caps. 5-celled, 5-valved, opening at the summit. 



199. RHODORA. Calyx 5-toothed; cor. 3-petaled ; petals unequal, 

 slightly united at the base ; the upper one thrice broader, and 3- 

 lobed ; stain, and style declinate ; caps. 5-celled, 5-valved, opening 

 at the top; dissepiments formed of the inflexed margins of the 

 valves. 



200. EPIG^EA. Calyx 5-parted, with 3 bracts at the base; cor. hypo- 

 crateriform ; border 5-parted, spreading ; tube villous within ; raps 

 5-celled, receptacle 5-parted. 



* * Flowers polypetalous, regular. 



201. MONOTROPA. Calyx 3 5-parted, or ; cor. 5-petaled, cucul- 

 late at the base ; anth. 1-celled, bilabiate ; caps. 5-celled, 5-valved ; 

 seeds numerous, invested with a long arillus. 



202. PYROLA. Calyx small, 5-cleft ; pet. slightly united at the base, 

 deciduous; stam. opening with 2 pores; caps. 5-celled, 5-valved; 

 seeds invested with a long arillus. 



203. LEDUM. Calyx minute, 5-toothed ; cor. 5-petaled, spreading ; 

 stam. exserted ; anth. opening by 2 terminal pores ; caps, subovate, 

 5-celled, 5-valved, opening at the base ; valves with the margins in- 

 flexed and approximate ; recept. 5-lobed ; colum. 5-angled, pedicel- 

 late ; seeds numerous, flat, linear, scabrous, with a membranaceous 

 wing at each extremity. 



204. LEIOPHYLLUM. Calyx deeply 5-parted, persistent; cor. 5- 

 petaled ; stam. longer than the corolla ; anth. lateral, opening on the 

 inside longitudinally ; caps, roundish, 5-celled, 5-valved, opening at 

 the top; valves ovate, with the margins inflexed, remote and 

 straight ; colum. subovate, terete, rugose ; seeds small, smooth, not 

 winged. 



205. CLETHRA. Calyx 5-parted, persistent; cor. 5-petaled; style 

 persistent ; stigma short, 3-cleft ; caps. 3-celled, 3-valved, covered 

 by the calyx. 



* * * Flowers polypetalous, irregular. 



206. CASSIA. Calyx 5-leaved ; pet. 5, subequal ; stain, unequal ; 3 

 superior anthers sterile ; 3 inferior rostrate, with longer and incurved 

 filaments ; legume membranaceous, 2-valved. 



207. BAPTISIA. Calyx half 4 5 cleft, bilabiate; cor. papilionace- 

 ous ; pet. nearly equal in length ; vexill. with the sides reflexed , 

 stamens deciduous ; legume ventricose, pedicellate, many-seeded. 



DIGYNIA. 



208. SAXIFRAGA. Calyx 5-parted ; pet. 5 ; caps, superior or inferi- 

 or, or half inferior, 2-beakod, 2-celled, many-seeded, opening between 

 the beaks. 



209. CHRYSOSPLENIUM. Calyx superior, 4 5-cleft, colored; 

 cor. ; caps. 2-beaked, many-seeded. 



