EXOGENJE COROLLIFLORJE. 



143 



USES. Slightly acrid, but not dangerous. Rampion, a root 

 used like Radishes, is Campanula Rapunculus. 



TYPICAL GENERA. Campanula, Phyteuma, Roella. 



Wahlenbergia procumbens. 1. An entire flower. 2. Stamens. 3. A stigma. 

 4. Transverse section of the ovary. 5. A vertical section of a seed, showing the 

 embryo. 



97. Vaccinacea. Are the same as Ericacese, only the 

 ovary is inferior. 



USES. The bark is slightly astringent, and fruit succulent. 

 Cranberries are the fruit of species of Oxycoccus, Bilberries 

 and Whortleberries of species of Vaccinium. 



TYPICAL GENERA. Vaccinium, Thibaudia. 



98. Ericaceae. Shrubs or under-shrubs. Leaves ever- 

 green, rigid, without stipules. Calyx 4- or 5-cleft, inferior. 

 Corolla hypogynous, 4- or 5-cleft, imbricated. Stamens de- 

 finite, hypogynous; anthers 2-celled, dehiscing by a pore. 

 Ovary many-celled, many-seeded ; style 1. Fruit capsular. 

 Seeds indefinite, minute ; embryo in the axis of albumen. 



USES. Loiseleuria procumbens, Rhododendron ferrugi- 

 neum, and others, are astringents. Arctostaphylus Uva Ursi 

 is diuretic. Rhododendron Chrysanthum is a powerful nar- 

 cotic, and this seems to be a general character of the order, 

 some of which, as Rhododendron maximum, Kalmia latifolia, 

 and Azalea Pontica, are dangerous poisons. Most of the 

 species are plants of great beauty. 



TYPICAL GENERA. Rhododendron, Kalmia, Erica. 



