HYPERICACEiE. (ST. JOHN's-WORT FAMILY.) 51 



8. H. dolabriformc, 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" -6" long) ; pods ovate-conical, pointed, 

 strictly l-celled, the walls very thick and hard. (H. procumbens, Miclix.) — Diy 

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



9. SI. splaaerocai-pOBS, Michx. Stem simple or branched above, her- 

 baceous, scarcely angular (l°-2° high); leaves widely spreading, oblong-lineat 

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

 flowered, flat, naked ; sepals ovate ; pods depressed-globular, strictly l-celled, rather 

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

 about 3" long. 



10. 31. iiudiiidl'iini, Michx. Stems branched, woody at the base, 

 sharply 4-angled or almost winged above (l°-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. BS. angailosilBii, Michx. Stem slender, strict, simple, sharply 4- 

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

 acute (£'-1' long), ascending, closely sessile by a broad base ; cyme compound, 

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

 like; sepals enclosing the ovoid 1-cclled pod. — Wet pine ban-ens of New Jersey 

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

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



\ i. 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 i-angular branch's. 



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

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

 conical, rather longer than the calyx. (11. parviflorum, Mukl.) — Low grounds, 

 everywhere. — Flowers 2" broad. 



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

 erect ; leaves 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- If. I>rMK?ass«Badi8, Torr. & Gray. Stem and the mostly alternate 

 hnshy branches rigid, erect (10'- 18' high); leaves linear-subidate, nearly erect. 

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

 branches, short-pedicelled ; pods ovoid, not longer than the calyx. (Sarotlira Drum- 

 mondii, Grcv. §~ Hook.) — W. Illinois and southward, in dry soil. July -Oct. 

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



15. H. $arot9ira, Miclix. (Orange-geass. Pine-weed.) Stem and 

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

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



