HTPERICACE^. (sT. JOHN'S-WOBT FAMILY.) 51 



8. H. dolabrifdrme, Vent. Stems branched from the decumbent 

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

 Ing, yeinless ; cyme leafy, few-flowered ; sepals oblong- or ovate-lanceolate, about 

 the length of the very oblique petals (5" -6" long) ; pods ovat^-conical, pointed, 

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

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



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

 baceous, scarcely angular (l°-2° high); leaves widely spreading, oUong-linmt 

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

 flowered, flat, naked ; sepals ovale ; pods depressed-glohilar, strictly l-cdled, rather 

 thin. — Eocky banks of the Ohio and Kentucky Kivers. July, Aug. — Petals 

 about 3" long. 



10. H. nudiflornm, Michx. Stems branched, woody at the base, 

 sharply 4-anglod 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-ceUed. — Low grounds, 

 Pennsylvania to Kentucky and southwai-d. July. — Petals 3" - 4" long. 



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



11. H. ang^ulosum, 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 branches prolonged and ascending, with the scattered flowers raceme- 

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

 and southward. July - 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 placentce : styles sliort, distinct : petals oblong or linear, small: sepals 

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



12. If. mutiltini, 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. (H. pai'viflomm, Muhl.) — ^Low grounds, 

 everywhere. — Plowers 2" broad. 



13. H. Caiiadense, 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. H. Druinmdndii, Toit. & Gray. Stem and the mostly alternate 

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

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

 branches, shoH-pedicelled ; pods ovoid, not longer than the calyx. ( Sarothra Dmm- 

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

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



15. H. SsM'Othra, Michx. (Okanse-geass. Pine-weed.) Stem and 

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

 appressed ; flowers minute, rnostly sessile and scattered along the erect branches ; 



