MONOPETALOUS EXOQEXOUS PLANTS. 387 



EPIPHEGUS, IS^utt. Beech-drops. 



Floiuers polygamous, the upper ones slender and sterile, 

 the lower abbreviated and fertile; calyx 5-toothed; cajjsnle 

 2-valved at the apex, with 2 placentae on each valve. Stem 

 smooth, slender, much branched, purplish ; flowers small, 

 in loose slender spikes ; corolla purplish. 



E. ViRGiNiANA, Bart. Stems 6-12' high ; flowers scat- 

 tered ; corolla of the sterile flowers 4"-6" long, 4:-toothed, 

 curved. 



CONOPHOLIS, Wallr. Squaw-root. 



Floivers perfect, densely spiked ; calyx 2-bracted, tubular, 

 4-toothed, cleft on the lower side ; upper lip of the corolla 

 arching, notched, the lower short, 3-toothed ; stamens ex- 

 serted ; capsule 2-valved, with 2 placentae on each valve. — 

 A thick and fleshy whitish simple lierl, covered with imbri- 

 cated scales ; flowers yellowish, spreading. 



C. Americana, Wallr. {Orohanclie, L.) Stems clus- 

 tered from matted roots, 4-6' high, J' thick. 



APHYLLON, Mitchell. 



Floiuers solitary, perfect ; calyx 5-cleft, bractless ; corolla 

 tubular, curved, nearly equally 5-lobed ; stamens included ; 

 capsule 2-valved, with 4 equidistant placentae. Stemless 

 or nearly so ; flowers purplish, on a long scape or peduncle. 



A. UNiFLORUM, Torr. and Gray. Stem very short and 

 scaly ; pedujicles 1-several, 3 '-5 'high, pubescent ; calyx-\obQ^ 

 lanceolate-subulate. 



84. FIG WORT FAMILY. Order, Scrophulariace^. 



Chiefly Z^er^s ; leaves commonly opposite, without stip- 

 ules ; calyx 4-5-cleft or parted ; corolla 4-5-lobed, regular, 



