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General Botany 



with spines. They vary from small perennial herbs to large, 

 much-branched, tree-like forms. 



The carrot family (Umbelliferae) . The scientific name of 

 the family comes from the umbrella-shaped inflorescence. They 

 are mostly herbs with stout stems, hollow internodes, and divided 

 leaves. The carrot, parsnip, celery, fennel, coriander, and water 

 hemlock are familiar examples of the family. Some of these 

 plants are poisonous when eaten, and many are noted for their 

 peculiar flavors. They are chiefly found in the north temperate 

 zone and include 200 genera and 2700 species. 



The heath family (Ericacex). The family is distributed 

 throughout the world, except in deserts and the moist tropics. 

 Most of the plants have simple, evergreen, entire leaves which 



Fig. 346. Andromeda florihimda, one of the heaths common on moist hillsides 

 in the southern Alleghenies. 



