16 NYMPH^ACE^. [NUPHAR. 



2. N. pu'milum, Smith ; leaves oblong deeply 2-lobed at the base, 

 lobes at length spreading, anthers oblong, stigma lobed at the margin, rays 

 8-10 reaching the margin. 

 Small lakes in Scotland, Argyll to Elgin, rare ; Salop ; fl. June-Aug. Very 



similar to N. lu'teum, differing in the smaller more orbicular petals, and 



shorter anthers. Petiole 2-edged. DISTRIB. Arctic and Central Europe, 



N. Asia. 



2. NYMPH^I'A, L. WHITE WATER-LILY. 



Flowers expanded, white blue or red. Sepals 4, adnate to the base ot 

 the disk. Petals in many series, inner successively transformed into 

 stamens, adnate to the sides of the disk. Carpels many, their bases and 

 the filaments sunk in the fleshy disk, and with it forming a many-celled 

 ovary, crowned by the connate radiating stigmas ; ovules many, anatro- 

 pous. Fruit a spongy berry, ripening under water. Seeds buried in pulp, 

 aril fleshy. DISTRIB. Most temp, and trop. regions, except N. Zealand 

 and the Pacific Isles ; species 20. ETYM. dedicated by the Greeks to the 

 nymphs. 



N. al'ba, L. ; leaves floating orbicular base cordate quite entire. 

 Lakes and ponds, from Shetland southd., ascending to 1,000 ft. in the Lake 

 District ; Ireland ; fl. June-Aug. Eootstock stout, fleshy ; buds terminal. 

 Leaves 5-10 in. diam., deeply 2-lobed at the base ; lobes contiguous ; petiole 

 very long. Flowers white. Sepals linear-oblong, back green. Petals ob- 

 long, obtuse, with no glandular pore. Fruit globose ; stigmatic rays 15-20. 

 DISTRIB. Europe (Arctic), N. Africa, N. and W. Asia to Kashmir, N. 

 America. 



ORDER IV. PAPAVERA'CEJE. 



Annual or perennial herbs ; juice milky or coloured. Leaves radical or 

 alternate, exstipulate. Flowers regular, usually nodding in bud, enve- 

 lopes and stamens caducous. Sepals 2, concave. Petals 4, crumpled. 

 Stamens very many, hypogynous, filaments slender : anthers erect, in- 

 sertion basal, bursting laterally. Ovary 1-celled, or 2-4-celled by 

 prolonged placentas ; style short or 0, stigmas radiating in connate pairs 

 opposite the placentas, or separate and alternating with these ; ovules in 

 many rows, anatropous, parietal. Capsule dehiscing by pores or valves. 

 Seeds many, small, albumen oily and fleshy ; embryo minute. DISTRIB. 

 N. temp, zone chiefly; genera 17; species 65. AFFINITIES. With 

 Fumaria'cece and Cruciferce. PROPERTIES. Narcotic, emetic, purgative, 

 or acridly poisonous. 



* Capsule dehiscing by pores or very small valves. 



Stigmas 4 or more, subsessile, forming a radiating disk 1. Papaver. 



Stigmas 4-5, deflexed on a conical clavate style 2. Meconopsis. 



** Capsule dehiscing to, or nearly to, the base by valves. 



Ovary 1-celled. Seeds crested. Flower yellow 3. Chelidonium 



Ovary more or less completely 2-celled. Flower yellow 4. Glaucium. 



Ovary 1-celled. Seeds not crested. Flower violet 4*. Rcemeria- 



