HTPERICACE^E. (ST. JOHN'S-WORT FAMILY.) 51 



8. H. dolalmforme, 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, Midix.) Dry 

 hills and rocks, ban-ens of Kentucky and westward. June -Aug. 



9. H. Spliaerocarpon, 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 \-ceUed, rather 

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

 about 3" long. 



10. H. imdiflomm, 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 Kentucky and southward. July. Petals 3" -4" long. 



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



11. H. angnldsum, Michx. Stem slender, strict, simple, sharply 4- 

 angled, herbaceous (1 -2 high); leaves opaque, ovate or oblong-lanceolate, 

 acute ('-!' 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-celled 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 short, distinct : petals oblong or linear, small : sepals 

 narrow, erect : slender annuals, with 4-angular branches. 



12. H. ill 8H il II ill, 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. parviflorum, Muhl.) Low grounds, 

 everywhere. Elowers 2" broad. 



13. H. Canadense, 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. I>riiiiiiii6ndii, Torr. & Gray. Stem and the mostly alternate 

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

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

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

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

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



15. H. Saroflira, Michx. (ORANGE-GKASS. PINE-WEED.) Stem and 

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

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



