PLANT ORGANS AND ORGANISMS 



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An Uva is -a berry from a superior ovary. Examples: Bella- 

 donna, Egg-plant, Tomato, Fig. 102 (i). 



A Bacca is a berry from an inferior ovary. Examples: Goose- 

 berry, Honeysuckle, Currant. 



The Pepo or Gourd Fruit is a baccate fruit of large size which has 

 developed from an inferior ovary. It is fleshy internally and has a 

 tough or very hard rind. Examples: Fruits of the Cucurbitacea 

 and the Banana, Fig. 102 (2). 



PIG. 1 02. Baccate fruits, i, berry (uva) of Belladonna with adherent 

 calyx; 2, Pumpkin, cut transversely illustrating a pepo fruit; (h), a locule; 3, 

 hesperidium fruit of the Orange cut transversely showing epicarp (e) , mesocarp 

 (m), endocarp (en}, pulp (p), and seed (s) . 



The Hesperidium is a large thick-skinned succulent fruit with 

 seeds embedded in the pulp but from a superior ovary. Examples: 

 Orange, Grape-fruit, Lemon, etc. In each of these there is to be 

 noted a glandular leathery epicarp, a sub-leathery mesocarp and 

 an endocarp in the form of separate carpels. From the endocarp 

 hairs grow inward into the carpellary cavities and become filled with 

 succulence. The seeds lie amid the hair cells, Fig. 102 (3). 



V. Drupaceous Fruits (Succulent fruits in which the mesocarp 

 is more or less succulent, but the endocarp leathery or stony). 

 A Drupe is a one-celled, one-seeded drupaceous fruit such as the 

 fruit of the Plum, Peach, Prune, Sabal, Rhus, Piper, Cherry, etc., 

 whose endocarp or putamen is composed wholly of stone cells of 

 stone cells and sclerenchyma fibers, Fig. 103 (i). 



The Pome is a fleshy drupaceous fruit, two or more celled with 

 fibrous or stony endocarp, the chief bulk of which consists of the 

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