12 PAPAVERACE.E. [Nuphar. 



Stigmata radiating. Name ; the Nv/*0ata of the Greeks, so 

 called from its inhabiting the waters, as the Nymphs or Naiads 

 were wont to do. Polyandria. Monogynia. 



1. N. alba, Linn. Great White Water-Lily. Leaves cordate ; 

 stigma of 16, ascending rays. Br. Fl. I. p. 260. E. Fl. v. Hi. 

 p. 14. E.Bot.t. 160. 



Lakes and still waters, frequent. Lough Dan and Glandelough, 

 County of Wicklow ; lakes near Killarney, and in Cunnamara ; lakes 

 at Farnham and elsewhere in Cavan, very abundant. Not unfrequent 

 in the northern countries. FL June, July. 1. Leaves floating, a 

 span broad. Flowers splendid, white. In Cunnamara the roots are 

 used for dying wool black. 



2. NUPHAR. Smith. Yellow Water-Lily. 



Sepals 56. Petals 10 18, inserted along with the numerous 

 stamens into a disk which surrounds the base of the ovarium. 

 Stigma radiating. De Cand. Name the Nov0a/> of Diosco- 

 rides, given to this plant. The Arabic name is Noufar ac- 

 cording to Forskal. Polyandria. Monogynia. 



1. N. lutea, Linn. Common Yellow Water-Lily. Leaves cor- 

 date, their lobes approximate ; calyx of 5 leaves ; stigma ex- 

 panded, entire, with from 14 20, rays. Br. Fl. 1. p. 260. E. 

 Fl. v. iii. p. 15. Nymphcea lutea, Linn. E. Bot. t. 159. 



Lakes and ditches, frequent ; all over the country. Fl. July. 1 . 



Leaves heart-shaped, floating. Peduncles round. Flowers about 

 two inches wide, yellow in every part. Calyx leaves much larger than 

 the petals, which are small. 



ORD. 4. PAPAVERACE^E. Juss. Poppy Family. 



Sepals 2, deciduous. Petals 4, rarely 8 12 or wanting, ir- 

 regularly plaited before expansion. Stamens distinct, usually 

 numerous : filaments filiform ; anthers 2-celled, opening longi- 

 tudinally. Ovary 1, free. Style short or none, bearing as 

 many stigmas as there are placentae, alternate with them and 

 arranged, when many, in a stellated manner. Fruit 1 -celled, 

 siliquiform, with 2 placentae, or a capsule with several parietal 

 placentae, and often opening by pores beneath the stigma. 

 Albumen fleshy and oily. Embryo minute, at the base of the 

 albumen, with plano-convex cotyledons. Annual or perennial 

 herbs or undershrubs, abounding in narcotic juice. Root Jibrous. 

 Leaves alternate, simple or lobed. Peduncles elongated, single- 

 flowered. Flowers white, yellow or red, never blue. 



The plants of this order afford a narcotic juice. Opium is 

 prepared from Papaver somniferum, but the seeds of the plant 

 are mild and stimulent, yielding an oil which is sold as an ar- 

 ticle of food. 



