224 BRITISH BOTANY. 



Petals 4. Stamens 8. Style filiform. Stigmas 4, cruciate. 

 Fruit coriaceous or somewhat woody, oblong, ovate-quadrangu- 

 lar, tapering at both ends. Seeds without a crown. 



C£. biennis, Linn. Evening Primrose. — e.b. 1504. l.c. 375. 

 Alien. A. 11. 



Stem erect or reclining, simple or branched, rigid and stout, 

 more or less hairy, leafy. Leaves oblong-lanceolate, pubescent, 

 tapering at both ends, entire or slightly toothed. Flowers large, 

 yellow. Divisions of the calyx membranous, linear-lanceolate, 

 pointed, reflexed. Petals large, notched or -without an entire 

 margin, longer than the stamens. 



NaturaHzed in many places. In woods, on rubbish, etc. Bien- 

 nial; July-September. 



IsNARDiA, L. — Calyx bell-shaped, with a 4-toothed limb. Pe- 

 tals wanting. Stamens 4, opposite to the calyx-teeth. Style 

 filiform ; stigma capitate. Capsule short, 4-valved, 4-celled, 

 many-seeded, with loculicidal dehiscence. 



I. palustris, L. Marsh Isnardia. — e.b.2593. l.c 376. A. 1. 

 C. 2. Lat. 50-51°. Alt. 0-50 yds. Tem. 50°. 



Stems prostrate, rooting or swimming, often branching, gla- 

 brous, leafy. Leaves oblong or oblong-roundish, pointed, entire, 

 tapering at the base, on short petioles. Flowers herbaceous, with 

 2 small bracts. Fruit ovate, bluntly 4-angular, calyx persisting 

 and spreading horizontally. 



Pools and marshy places. Petersfield and Brockenhurst, Hants; 

 Buxted, Sussex. Perennial; July, August. 



Note. — It has not been seen for several years in the Peters- 

 field and Buxted localities. A better fate may have befallen it 

 in the New Forest. 



a 



