HYPERICACE^. (ST. .TOHN's-WOTIT FAMILY.) 51 



8. II. dolalM'iforiZKC, Vent. Stems branched from the decumbent 

 base, woody below (6' -20' high), terete; leaves linear-lanceolate, widely spread- 

 ing, veinless ; cyme leafy, few-flowered ; sepals oblong- or ovate-lanceolate, about 

 the length of the very oblique petals (5"-G" long); pods ocate-conical, pointed, 

 strictly l-celied, the walls very thick and hard. (II. procumbens, Micltx.) Dry 

 hills and rocks, barrens of Kentucky and westward. June -Aug. 



9. H. spliwrociirpou, Michx. Stem simple or branched above, her- 

 baceous, scarcely angular (l-2 high); leaves widely spreading, Many-linear 

 or lanceolate, very obtuse, thickish, nearly veinless ; cyme compound and rnany- 

 fiowered, flat, naked ; scjials oval.e ; pods depressed-globular, strictly l-cclled, rather 

 thin. Rocky banks of the Ohio and Kentucky Rivers. July, Aug. Petals 

 about 3" long. 



10. IB. mulifloruin, Michx. Stems branched, woody at the base, 

 sharply 4-anglcd or almost winged above (1 4 high); leaves oblong or oval- 

 lanceolate, obtuse, obscurely veined, pale ; cyme compound, many-flowered, 

 naked ; sepals oblong ; pods ovate-conical, pointed, almost 3-celled. Low grounds, 

 Pennsylvania to Illinois and southward. July. Petals 3" -4" long. 



* * Sepals herbaceous, erect, equal : styles 3, separate. 



11. II. ailglllosuni, Michx. Stem slender, strict, simple, sharply 4- 

 anglcd, herbaceous (l-2 high); leaves opaque, ovate or oblong-lanceolate, 

 acute (^'-l' long), ascending, closely sessile by a broad base ; cyme compound, 

 naked, the branches prolonged and ascending, with the scattered flowers raceme- 

 like ; sepals enclosing the ovoid l-cclled pod. Wet pine barrens of New Jersey 

 and southward. Ouly-Sept. Petals copper-yellow, 4" - 5" long, much longer 

 than the calyx, furnished with a tooth on one side. 



4. Stamens 5-12, distinct or in 3 clusters: pod (brown-purple) l-celled, with 3 

 strictly parietal placenta : styles short, distinct : petals oblong or linear, small: sepals 

 narrow, erect : slender annuals, with ^-angular branches. 



12. II. mutillllil, L. Stem flaccid, widely branching (6' -10' high); 

 leaves ovate or oldoitg, obtuse, partly clasping, 5-nerved ; cymes leafy ; pods ovate- 

 conical, rather longer than the calyx. (H. parviflorum, Mahl.} Low grounds, 

 everywhere. Flowers 2" broad. 



13. II. Caiiadeiise, L. Stem strict (6' -20' high), with the branches 

 erect ; haves linear or lanceolate, 3-nerved at the base ; cymes naked ; pods conical- 

 oblong, usually much longer than the calyx. Wet, sandy soil: common. June- 

 Oct. Flowers copper-yellow, 2" -3" broad when expanded. 



14 II. DBTiiiimoiadii, Torr. & Gray. Stem and the mostly alternate 

 bushy branches rigid, erect (10' -18' high); leaves linear-subulate, nearly erect, 

 l-nerved (3" -9'' long) ; flowers scattered along the upper part of the leafy 

 branches, short-pedicel led ; pods ovoid, not longer than the calyx. (Sarothra Drum- 

 mondii, Grev. fr Hook.) W. Illinois and southward, in dry soil. July -Oct. 

 Sepals 2" -3" long, mostly exceeding the petals. 



15. H. S.irotlira, Michx. (ORANGE-GRASS. PIXE-WEED.) Stem and 

 bushy branches thread-like, wiry (4' -9' high); leaves minute awl-shaped scales, 

 oppressed ; foicers minute, mostly sessile and scattered along the erect branches ; 



