Folyandria. 
109 
■Cist. Helianthemum, Common Dwarf Cistus ; shrub- 
by, procumbent, with elliptic oblong leaves, hoary un- 
derneath ; common in dry upland pastures. 
Many species of this genus are cultivated in the gar- 
den, among which Cist. Formosus is remarkable for its 
specious flowers. 
■Sarracenia, Flava, Yellow Side-saddle Flower.—™ 
Cal. double, three and five leaved ; cor. five-petalled ; 
caps, five- celled ; stigma in the form of a shield ; leaves 
tubular, erect ; valve contracted at the neck. Com- 
mon in the swamps of North America. The tubular 
structure of the leaves of this plant has exercised the 
ingenuity of physiological botanists ; but they have not 
succeeded in ascertaining its use. Other species are 
cultivated in this country. Bot. Mag. 780, and 849. 
Nymphjea. Gen. char.-*— Cal. four or five leaved j 
cor. many-pefcalous ; stigma radiated, sessile ; berry 
superior, many celled. 
Nymph. Lutea, Yellow Water-Lily ; with cal. five- 
leaved, largerThan The petals ; stigma entire ; leaves 
entire, heart-shaped. Not uncommon in rivers and lakes. 
Nym. Alba, White Water-Lily ; with four-leaved 
calyx, and lobed stigma. Frequent in rivers and lakes, 
whete it is easily recognised by its large white flowers. 
Nym. Lotus, Egyptian Water-Lily, or Lotus ; with 
heart shaped, very smooth, toothed leaves. Native of 
Egypt and of the East Indies, and an object of vene- 
ration among the inhabitants of both countries. 
Tim a Europcea, Lime or Linden Tree. Cal. five- 
parted ; petals five ; cap. superior, leathery, angular, 
K 
