76 PRACTICAL BOTANY. 



loosely imbedded. The fruits of the Gooseberry, Currant, 

 Bhieberry, Grape, Tomato, etc., are berries. 



134. The HESPEKiDiUM (orange-fruit), as the orange, 

 lemon, and lime, is a succulent, many-carpelled fruit, with 

 a thick and leathery rind, which is separable from the en- 

 closed pulpy mass. It is merely a berry with a coriaceous 

 pericarp. 



135. The PEPO (gourd-fruit) is a compound fruit, usu- 

 ally formed of three carpels and the adnate calyx, having 

 a thick, hardened rind and enclosing a pulpy mass. The 

 pepo is a sort of berry. 



136. The POME is a fleshy pericarp, formed of the 

 calyx and receptacle, w^hich together constitute the princi- 

 pal thickness of the fruit and enclose several papery or 

 cartilaginous pods (bony carpels of the pistil). Pomes 

 are apple, pear, and quince. 



2. Stone-Fkuits. 



137. Drupe is a 1-celled and 1- or 2-seeded fruit, with 

 a double pericarp, or a pericarp of two layers, of which 

 the outer, fleshy or pulpy layer is called the exocarp, epi- 

 carp, or sarcocarp, and the inner, liard and bony layer the 

 endocarp, putamen, or nucleus. (Cut XY., 13.) (The term 

 drupe is usually extended in a general way to fruits with 

 two or more cells, as those of cornel, ginseng, etc.) 



138. Tryma is a sort of dry drupe, with the exocarp, 

 or husk, fibrous-fleshy, or leathery, and the endocarp or 

 nut-shell bony, and often rough and irregularly" furrowed. 

 Fruits of this sort are those of Juglans and Carya (Walnut 

 and Hickory). 



139. The ET^iRio is an aggregation of (usually nu- 

 merous) little stone-fruits or drupelets, in structure resem- 



