184 ONAGRARfEiE 



flattish with a blunt keel. — Marshes, lakes, and streams. — Fl. 

 June — September. Annual or perennial. 



5. C. obtusdngula has obovate leaves in a rosette j persistent 

 bracts and styles ; and unkeeled carpels. — Ditches ; apparently not 

 common. — Fl. May — September. Annual or perennial. 



6. C. autumndlis (Autumn Water Starwort). — Leaves all sub- 

 merged, linear, obtuse, dark green ; bracts absent ; styles spread- 

 ing ; fruit large, dark brown ; carpels with a broad wing, — Lakes ; 

 rare. Fl. June — October. Annual or perennial. 



7. C. truncdta, differing in having lighter, more translucent 

 leaves and bluntly keeled carpels, has only been observed in a 

 few localities. 



ORD. XXXII. ONAGRARfE^E. — THE WlLLOW-HERB 



Family 

 Herbs, or rarely shrubs or trees, principally inhabiting the tem- 

 perate parts of the globe, with simple, exstipulate leaves, and gener- 

 ally conspicuous, polysymmetricyfozwr.y, mostly 4-merous ; sepals 4 

 or 2, valvate ;petals 4 or 2, contorted in the bud, or absent ; stamens 

 2 — 8 ; ovary 1 — 6-chambered, usually 4-chambered ; fruit a berry, 

 or 4-chambered capsule. To this Order belongs the beautiful genus 

 Fuchsia, with its coloured 4-cleft calyx and edible but insipid 

 berries, natives of Mexico, Peru, Chili, and New Zealand. Many 

 species of CEnothera, natives of America, with the exception of one 

 Tasmanian species, are cultivated as garden plants, some bearing 

 flowers 3 or 4 inches in diameter. Those with yellow or white 

 flowers, which open in the evening, are called Evening Primroses. 

 No member of the Order has any known properties of importance. 



1. Epilobium. — Sepals 4; calyx-tube not prolonged above the 

 ovary ; petals 4, red, pink, or white ; stamens 8. 



2. LuDwfGiA. — Sepals 3 — 5 ; petals 3 — 5, short, or absent ; 

 stamens 3 — 5. 



*3. CEnothera. — Sepals 4 ; calyx-tube prolonged above the top 

 of the ovary ; petals 4, yellow, white, or red ; stamens 8. 



4. CiRC/EA. — Sepals 2 ; petals 2, white ; stamens 2. 



1. Epilobium (Willow-herb). — Herbs or under-shrubs with 

 runners ; flowers red or pink, rarely white or yellow ; sepals 4, 

 deciduous, springing direct from the top of the ovary ; petals 4, 

 usually 2-lobed; stamens 8, in two whorls, differing in length ; style 

 thread-like ; capsule very long and slender, 4-chambered and 

 4-valved; seeds numerous, tufted with down. (Name from the 

 Greek epi, upon, lobos, a pod, the corolla springing from the top 

 of the long pod-like inferior ovary.) 



