14 



VAR. 1, ma! jus, Syme; flower 2-3 in. diam., stigma generally entire 15-20 

 rayed. VAR. 2, mi' nut, Syme ; flower 1 in. diam., stigma waved at the 

 margin 10-14-rayed. Chartner's Lough, Northumb. 

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



lobes at length spi'eading, anthers oblong, stigma lobed at the margin, rays 



8-10 reaching the margin. 



Small lakes in Scotland, and Ellesmere in England, rare ; fl. June- Aug. 

 Very similar to N. lute urn, var. minus, differing in the smaller more 

 orbicular petals, shorter anthers, and in the stigma. Petiole 2-edged. 

 DISTRIB. N. and Central Europe, N. Asia. 



2. NYMPH.ffi'A, L. WHITE WATER-LILY. 



Habit of Nuphar, but flowers expanded, white blue or red, and fruit 

 ripening under water. Sepals 4, adnate to the base of the disk. Petals 

 in many series, inner successively transformed into stamens, both adnate 

 to the disk. Carpels many, in 1 series, sunk in the fleshy disk, anil with 

 it forming a many-celled ovary, crowned by the connate radiating styles ; 

 ovules many, anatropous. Fruit a spongy berry. Seeds buried in pulp, 

 all but enclosed in a sac-like fleshy aril. DISTRIB. Most temp, and trop. 

 regions, except N. Zealand and the Pacific Isles ; species 20. ETYM. dedi- 

 cated by the Greeks to the nymphs. 



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

 Lakes and ponds, ascending to 1,000 ft. in the Lake District ; fl. June-Aug. 

 Roolstock stout, fleshy ; buds terminal. Leaves 5-10 in. diam. floating, 

 deeply 2-lobed at the base ; lobes contiguous ; petioles very long. Flowers 

 concave. Sepals linear-oblong, white, green at the back. Petals oblong, 

 obtuse, white, with no glandular pore. Outer stamens with petaloid fila- 

 ments. Fruit globose ; stigmatic rays 15-20. DISTRIB. Europe (Arctic), 

 N. Africa, N. and W. Asia to the Himalaya, N.W. America. 



ORDER IV. PAPAVERA'CEJE. 



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

 or alternate, exstipulate. Flowers usually nodding in bud, envelopes and 

 stamens veiy caducous. Sepals 2, concave. Petals 4, crumpled. Stamens 

 very many, hypogynous, filaments slender ; anthers erect, insertion basal, 

 bursting laterally. Ovary 1 -celled, or 2-4-celled by prolonged placentas ; 

 style short or 0, stigmas radiating connate opposite the placentas, or 

 separate and alternating with these ; ovules in many rows on parietal 

 placentas, anatropous, micropyle below, raphe lateral. Capsule dehiscing 

 by pores or valves. Seeds many, small, albumen oily and fleshy ; embryo 

 minute, 2-fid. DISTRIB. N. temp, zone chiefly; genera 17; species 65. 

 AFFINITIES. With Fumariacece, Bcrbcridece, Jtanunculaccce, and Cruci- 

 ferce. 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, defl exed on a conical clavate style 2. Meconopsis. 



** Capsv/e </e/nscint/ to, or nearly to, the base by valves. 



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



