134 



POPULAK FLORA. 



1. Amekican Linden or Basswood, Leaves green, smooth, or in some varieties downy underneath; 



a petal-like body in the middle of each of the 5 clusters of stamens. T. Americana. 



2. European Linden. Leaves smooth or nearly so; stamens hardly in clusters, no petal-like bodies 



■with them. Cultivated in cities, &c. as a shade-tree. T. Eurojicea. 



19. CAMELLIA FAMILY. Order CAMELLIACE.^. 



Shrubs or small trees, with alternate and simple leaves, not dotted ; large and showy 

 flowers, with a persistent cal}'x of 5 overlapping sepals, and very many stamens, their fila- 

 ments united at the bottom with each other and with the base of the petals. Anthers 

 2-celled. Fruit a woody pod of 3 to 6 cells, containing few large seeds. To this belongs 

 the grateful Tka-plaxt of China, and the 



Camellia, of our gi-een-houses, Cu/iclliu Joponica. 



Loblolly-Bay, of swamps in the Southern States, Gonluula Lasidntlius. 



20. ORANGE FAMILY. Order AUEANTIACEJi;. 



Like the last, this family hardly claims a place here, being only house-plants, except far 

 south. Known by having 20 or more stamens in one row around a single pistil, and the lea^'es 

 having a joint between the blade and the winged or margined footstalk : they (and the fra- 

 grant petals) are punctate with transparent dots, looking like holes when held between the 

 eye and the hght, which are little reservoirs of fragrant oil. Fruit a berry with a thick rind. 

 Change, CUtus Aurdntium. 



Lemon, Citrus Limbnium. 



21. FLAX FAMILY. Order LINAGE^.. 



Herbs with tough fibres in the inner bark, simple leaves, and oily seeds with a mucilagi- 

 nous coat ; consisting only of the Flax genus, which is known by the following marks : ■ — • 



329. Half of a flower, enlarged. 



330. Pod, cul t 



328. Common Flax. 



Flax. Lhnum. 

 Sepals 6, overlapping, persistent. Petals 5, on the receptacle. Stamens 6, united with each other 

 •It the bottom. Styles 6. Pod 10-celled and splitting when ripe into 10 pieces with one seed in eacli. 

 flowers opening only for one day. 



