174 ONAGRACE^. — HALORAGACE^. [Hippuris. 



Stamens 8. Capsule 4-valved, with many naked seeds." — Br. 

 Fl. 



An extensive genus of an annual or biennial plants, with handsome, yellow, 

 while or purple, and very fugacious blossoms ; natives of every part of America 

 from the Straits of Magellan to Hudson's Bay, but most numerous towards the 

 wanner parts of that vast continent. 



* 1. (E. biennis, L. Common Evening Primrose. " Leaves 

 OYate- lanceolate toothed, stem somewhat hairy, flowers sessile 

 subspicate, stamens about as long as the corolla, capsules nearly 

 cylindrical 4-toothed."— 5r. Fl. p. 136. E. B. t. 1634. 



In waste ground by roadsides, and in moist or sandy places ; but not indige- 

 nous, and scarcely even naturalized. Fl. July — October. $ . 



About Byde, Cowes, Newport, &c., occasionally. On Apse heath, amongst 

 potatoes, 1840. 



III. CiEC^A, Linn. Enchanter's Nightshade. 



" Calyx-limb deciduous, shortly tubular at the base, deeply 

 S-cleft upwards. Corolla of 2 petals. Stamens 2. Ovary 1 — 2 

 celled ; ovules solitary in each cell, erect. Stigma 2-lobed. Cap- 

 sule hispid with hooked hairs, scarcely dehiscent, 1 — 2 celled ; 

 cells 1-seeded." — Br. FL 



1. C Lutetiana, 1j. Common Enchanter's Nightshade. "Stem 

 erect pubescent, leaves ovate-acuminate slightly repand toothed 

 usually longer than the petiole, bracts none, ovary globose 

 2-celled at length broadly obovate." — Br. Fl. p. 137. E. B. t. 

 1056. 



In moist shady woods, groves, copses, and under hedges in lanes ; very com- 

 mon. Fl. June — August. If.. 



Order XXVI. HALOEAGACEiE, B. Br. 



" Calyx-tube adnate with the ovary ; limb of fertile flowers mi- 

 nute, 3-4 partite or wanting. Petals present or wanting. Stamens 

 equal in number to the lobes of the calyx, or double as many, 

 rarely fewer. Ovary with 1- — 4 cells ; ovules soHtary, pendulous. 

 Stigmas as many as there are cells, papillose or pencilliform. 

 Fruit dry, indehiscent, 1 — 4 celled, or composed of 4 iudehiscent 

 carpels slightly cohering by their inner angles and eventually 

 separating. Seeds solitary, pendulous. Albumen fleshy, some- 

 times very thin. Embryo straight. Badicle superior. — Mostly 

 herbs {the British ones especially), aquatics. Leaves various as to 

 insertion. The stamens and pistils often separated ; the former 

 are then inserted with the petals into the base of the calyx." — Br. Fl. 



I. Hippuris, Linn. Mare's-tail. 



" Perianth single, superior, forming a very indistinct rim to the 

 germen. Stamen 1. Style 1. Fndt 1-celled, 1-seeded." — Br. 

 Fl. 



