134 



POPULAR FLORA. 



1. American Linpen 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. Duropaa, 



19. CAMELLIA FAMILY. Order CAMELLIACEjE. 



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

 flowers, with a persistent ealjx of 5 overlapping sepals, and veiy 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 Tea-plant of China, and the ' 



Camellia, of our green-houses, Camellia Japdnica. 



Loblolly-Bay, of swamps in the Southern States, Gorddnia Lasidnthus. 



20. ORANGE FAMILY. Order AURANTIACE^. 



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 leaves 

 ha^■ing 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 light, which are little reservoirs of fragrant oil. Fruit a berry with a thick rind. 

 Orange, Citrus Aurdniium. 



Lemon, Citrus Limbnium. 



21. FLAX FAMILY. Order LINAGES. 



Herbs with tough fibres in the inner bark, simple l<'a\'cs, and oily seeds with a mucilagi- 

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



328. Common Flax. 



330. Pod, cut BcroBB 



329. Half of a flower, enlarged. 



Flax. Ihnum. 

 depals B, overlapping, persistent. Petals 5, on the receptacle. Stamens 5, united with each other 

 Ht the bottom. Styles 5. Pod 10-celled and splitting wlien ripe into 10 pieces with one seed in eac'n. 

 Flowers opening only for one day. 



