36 Nympk&ace& Nuph&K. 



Very much like the last, but differing in the smaller more 

 orbicular petals, shorter anthers, and the stigma lobed at the 



Fig. 27. Nuphar lutea. (J nat. size.) 



margin. Also British, but limited to the lakes of Scotland and 

 Shropshire in England. 



N. ddvena is similar to No. 1, but rather larger, and the 

 flowers of a brighter colour. It is a native of North America. 



ORDER VIII. PAP AVERAGERS. 



Herbs, or very rarely shrubs, glaucescent or pilose ; juice 

 often coloured. Leaves alternate, or the floral occasionally 

 opposite, entire, lobed, or finely divided, destitute of stipules. 

 Peduncles 1-flowered, or rarely subumbellate, often lengthened, 

 terminal, or from the axils of the upper leaves. Flowers re- 

 gular or irregular. Sepals 2 or 3, rarely 4, very caducous. 

 Petals 4 to 6, occasionally more, in two or three series, often 

 crumpled. Stamens numerous, free, or few, and with connate 

 filaments. Ovary free, 1 -celled, with many-ovuled parietal 

 placentas, or 2- or many-celled. Styles short or obsolete ; 

 stigmas radiating or lobed. Ovules anatropous. Capsule de- 

 hiscing by pores or valves, more rarely indehiscent. Seeds 

 few or many, albuminous. The species of this order are widely 

 distributed, chiefly in the temperate parts of the northern 

 hemisphere. Narcotic, acrid, or poisonous plants. Opium is 

 the product of a species of Poppy. Chiefly valuable to the 

 gardener for the showy annuals it abounds in. 



SUB-ORDER I. PapavereaD. 



Petals similar ; stamens numerous. 



