18 BRITISH BOTANY. 



Stem simple, solitary, about a foot high, with a twice or thrice 

 ternate, erect leaf; leaflets cordate at the base, elongate, pen- 

 dulous. Flowers drooping, with dark red petals and pale yellow 

 nectaries. 



Per.; May. Naturalized in Kildale Woods, Cleveland, W. 

 Mudd (in Supplement to Baines's Yorkshire Flora) . In bushy 

 places, among the Carinthian and Tyrolese Alps, Kittel (Deutsch- 

 land^s Flora). Excluded from Grenier and Godron's 'Flore 

 rran9aise.' 



NYMPHiEACE^, Salisb. The Water Lily Family. 



Perennial, herbaceous, aquatic plants, with horizontal, fleshy 

 rhizomes. Leaves radical, on long petioles, entire, cordate at 

 the base, floating. Flowers large, on axillary peduncles, perfect, 

 regular. Sepals 4-5, more or less coloured, caducous or persis- 

 tent. Petals numerous, in several rows. Stamens indefinite; 

 anthers two-lobed, introrse. Ovary free, with numerous carpels 

 and numerous incomplete, many-ovuled cells. Ovules inserted 

 on the spongy dissepiments. Stigmas sessile, equal in number 

 to the cells, radiating. Fruit fleshy-herbaceous, indehiscent (not 

 opening) . Cells many-seeded ; seeds horizontal in a fleshy enve- 

 lope. Perisperm (albumen) double; the outer one farinaceous, 

 the inner fleshy, enclosing the embryo. Embryo straight, with 

 short, thick cotyledons. Radicle towards the hilum. 



SYNOPSIS OP THE OENEEA. 



Nymphjea. — Flowers white. Sepals 4, lanceolate. 

 NuPHAR. — Flowers yellow. Sepals 5, roundish. 



NYMPHiEA, Sm. — Sepals coloured internally, caducous. Petals 

 16-18, lanceolate, in several rows; outer ones equalling the se- 

 pals, the inner ones diminishing and gradually passing into 

 stamens, which are more or less completely developed. Fruit 

 bearing the scars where the petals and stamens were inserted. 



N. alba, Lin. White Water Lily. — e.b. 160. l.b.s. 36. 



A. 18. C. 70. Lat. 50-61°. Alt. 0-350 or 400 yds. Tern. 52-45°. 



Leaves large, coriaceous, ovate-roundish, deeply cordate at the 

 base, with contiguous and almost parallel lobes on cylindrical 

 petioles. Flowers white, or tinged with rose-colour. Stigmas 

 convex, with a crenulate margin. Fruit roundish. 



Lake§ and rivers. Per. ; June-September. 



