HYPERICACEAE. 



VOL. II. 



8. Hypericum cistifolium Lam. Round- 

 podded St. John's-wort. Fig. 2888. 



Hypericum cistifolium Lam. Encycl. 4: 158. 1797. 

 H. sphaerocarpum Michx. Fl. Bor. Am. 2 : 78. 1803. 

 Simple or branching, erect or ascending from 

 a somewhat woody perennial base, i-2j high; 

 stems 4-angled. Leaves oblong or linear-oblong, 

 obtuse, i~2>' long, 3"-6" wide, often with smaller 

 ones in the axils; cymes terminal, several or 

 many-flowered, naked; flowers sessile or nearly 

 so, s"-8" broad; sepals linear, lanceolate or ovate, 

 much shorter than or equalling the petals ; sta- 

 mens numerous, distinct; styles 3, united below; 

 capsule strictly i-celled, globose or ovoid-conic, 

 2"-2i" long; seeds larger than in related species, 

 rough-pitted. 



On rocky banks, southwestern Ohio to Iowa, Kan- 

 sas, Alabama and Arkansas. July-Sept. 



Hypericum Bissellii Robinson, known only from 

 Southington, Connecticut, has smaller leaves, the cyme 

 leafy-bracted, the sepals very unequal. 



9. Hypericum dolabriforme Vent. Straggling St. 



John's-wort. Fig. 2889. 

 Hypericum dolabriforme Vent. Hort. Cels. pi. 45. 1800. 



Straggling and branching, decumbent, 6'-2o' high; branch- 

 lets slightly angled. Leaves linear or linear-lanceolate, 8"-2o" 

 long, I "-2" wide, acute or obtusish, spreading or ascending, 

 with smaller ones clustered in the axils; cymes terminal, 

 leafy, few-several-flowered; pedicels about i" long; flowers 

 nearly i' broad; sepals foliaceous, lanceolate or ovate, acute 

 or acuminate, nearly or quite as long as the oblique pointed 

 petals ; stamens numerous, distinct ; styles 3, united below ; 

 capsule ovoid-conical, coriaceous, 3"~4" long, i-celled; seeds 

 rugose. 



On dry hills, barrens of Kentucky and Tennessee to Georgia. 

 July-Aug. 



10. Hypericum ellipticum Hook. 



Elliptic-leaved or Pale St. John's-wort. 



Fig. 2890. 



H. ellipticum Hook. Fl. Bor. Am. i : no. 1830. 



Herbaceous, perennial; stem somewhat 4- 

 angled, simple or with few branches, erect. 

 8'-2o' high. Leaves thin, spreading, elliptic or 

 oval, obtuse, sessile, narrowed at the base or 

 partly clasping, 8"-i 5" long, 3"-s" wide ; cymes 

 terminal, few-flowered, leafless but bracted; 

 flowers pale yellow, nearly sessile, S"~7" broad ; 

 sepals spreading, oblong or oblanceolate, slight- 

 ly shorter than the petals; styles 3, united 

 below ; stamens numerous ; capsule ovoid- 

 globose, i-celled, about 2" long; seeds striate; 

 sepals and petals sometimes 4. 



In swamps and along streams, Nova Scotia to 

 Manitoba, Connecticut, northern New Jersey, 

 Maryland, Michigan and Minnesota. July-Aug. 



