ORDER XC.^ — SCROPIIULARIACE^. 4r53 



sule ovate, 1-celled. Seed numerous, Avitli a gland beneatli tlie 

 base of the germ. 



1. 0. Amkrica'na, (L.) Sion simple, thick, covered with ovate-lanceo- 

 late scales. Flowers in spikes, terminal. Corolla recurved. Stamens 

 exserted. — Brownish-yellow. If. July — Aug. Rich soils. G — 8 

 inches. Conopholis Americana, Walt Cancer-root. 



2. 0. uxiflo'ra, (L.) Stems erect, short, numerous from each root, 

 covered with smooth, concave scales. Scape 1-flowered, 4 — 6 inches 

 long, pubescent. Corolla with oblong, oval lobes, with a pubescent 

 margin, — Bluish white, y. May — July. Pine-barrens. 



Anoplantkus unijlorus. En. 



Genus II.— EPIPHE'GUS. Nutt 12—2. 

 (From epi, upon, and pJiegas, the Beech.) 



Calyx short, 5-toothed. Floivers polygamous, the upper 

 ones sterile, the lower fertile. Corolla of the sterile florets rin- 

 gent, compressed, 4-cleft ; of the fertile 4-toothed, small. Cajj- 

 sule truncate, oblique, 1-celled. 



1. E. Vieginia'nus, (Bart.) Stem erect, branching, covered with 

 small ovate scales. Flowers alternate, small ; sterile flowers largest, 

 striped with purple, growing on the roots of beech-trees. — White, with 

 purple. 2^. Aug. — Sept. 12 — 18 inches. 



Order XC— SCROPHULARIA'CE^. [Figwort Family) 

 Calyx divided, unequal, persistent. Corolla bilabiate, hy- 

 pogynous. Stamens usually 4, didynamous, sometimes only 2. 

 Ovary 2-celled. Style 1. Stigma 2-lobed. Fruit generally 

 a 2-celled capsule. Flacentce central. Seed usually numerous, 

 small. Herbaceous plants, with the leaves generally opposite. 



ANALYSIS. 



1. stamens 4 2 



Stamens 2 or 5 l^ 



2. Stamens didynamous ^ 



Stamens not didynamous 1 ' 



3. Divisions of the calyx 2 j* 



Divisions of the calyx more than 2 5 



4 Leaves entire Euchruma or Casiillehi, 1 S 



* Leaves not entire PedicuUirin, 20 



5. Divisions of the calyx 4 ^ 



Divisions of the calvx 5 ' 



G. Seeds 1-4 Melampyrum, 21 



Seeds many bclncalbea, 19 



7. The tMo longest stamens sterile Lindernia, 9 



Four stamen's fertile '^ 



8. Flowers with a sterile filnment ^ 



Flowers with no sterile filament '" 



9. Flowers dull, greenish-purple Scroj,hularia, .'J 



Flowers white • • • < '>/i""^^ * 



Flowers bri-ht purple I'eiiHtrmon, b 



10. Corolla bilabiate \\ 



Corolla nearly regular _ 



11. Flowers gibbous at the base Linaria or A utirrhiuunt, 2 



Flowers not gibbous at the base 



