ST. JOHNS-WORT FAMILY 



9T 



** Herbs : sepals united, not fringed : petals persistent : stamens 3, 

 branched at the base : styles 3 



5. H. perforatum (Common St. John's-wort). — Stem erect, 2 

 feet high, 2-edged ; leaves elliptic-oblong, copiously dotted with 

 pellucid glands, veins opaque; sepals erect, lanceolate, acute.— 

 Woods and hedges ; common. This plant and its congeners 

 derive their popular name from coming into flower about the feast 

 of St. John Baptist 

 (O.S.).— Fl. July— Sep- 

 tember. Perennial. 



6. H. maculdtum (Im- 

 perforate St. John's- 

 wort). — Very like the 

 last, but with stem 4- 

 sided, with 4 elevated 

 lines ; leaves with pel- 

 lucid veins, but few 

 glands ; sepals reflexed, 

 ovate, blunt, with black 

 glands on the back. — 

 Moist places ; not com- 

 mon,— Fl. July, August 

 Perennial. 



7. H. quadrdngulum 

 (Square - stalked St. 

 John's-wort).— An allied 

 species with 4-winged, 

 branched stem ; leaves 

 with many pellucid 

 glands and veins ; and 

 sepals erect, lanceolate, 

 acuminate. — Wet places; 

 common. — Fl. July, 

 August. Perennial. 



8. H. unduldtum (Wavy St. John's-wort). — Another closely- 

 allied form, with a 4-edged stem ; leaves with wavy edges, many 

 pellucid glands and veins ; black glands on the edges of the stem, 

 the under surface of the leaves, and the sepals ; flowers in loose 

 cymes ; and sepals erect, ovate-lanceolate, acuminate. — In bogs in 

 Devon and Cornwall ; rare. — Fl. July. Perennial. 



9. H. humiftisum (Trailing St. John's-wort). — A prostrate, 

 glabrous species ; stems spreading, slender, 2-edged, 3 — 9 in. long ; 

 leaves oblong, obtuse, with minute pellucid glands and black 

 glands under their revolute margins ; sepals unequal ; stamens 5— 



HYPERICUM PERFORATUM 



(Perforated St. John's-wort). 



