PALILLOS OF ECONOMIC PLANTS. 305 



It is planted to mark the boundary of plantations of the negroes, 

 who have a superstitious notion that it acts as a watchman and 

 protects their property from plunder. 



Owala, a name in the Gaboon country of Africa for Pen- 

 taoUthra macro^phylla, a tree of the Mimosa section of the Bean 

 family (Leguminosse). It attains a height of 50 to 60 feet, 

 having bipinnate leaves. The legumes (pods) are about 2 feet 

 long, consisting of two flat woody valves. The seeds contain a 

 limpid oil, and are eaten by the natives. 



Oyster Plant (Pulmonaria maritima), a creeping - rooted 

 heib of the Borage family (Boraginaceae), native of the northern 

 coasts of this country, especially in the east of Scotland, growing 

 on the stone and sand just beyond the reach of the tide. It has 

 ovate glaucous leaves and blue flowers, produced in one-sided 

 panicles on a decumbent flower-stalk. Its fresh leaves have a 

 strong flavour of oysters, hence its name. By modern botanists 

 it has been separated from Pidmonaria as a distinct genus under 

 the name Steenhammara. 



Paddy, a name throughout India for unhusked rice, of which 

 there are many varieties. (See Eice.) 



Pala Indigo, an Indian name for a dye obtained from 

 Wrightia tinctoria, a small tree of the Dogbane family (Apocy- 

 nacese), native of Southern India. An inferior land of indigo is 

 prepared from its leaves. Its wood is beautifully white, close- 

 grained, and ivory-like; its principal use in India being for 

 making toys. Another species is W, antidysenter%ca, a small 

 tree, also a native of India ; its wood is very hard, and has been 

 tried for engraving, but has not been found to answer. It is 

 used in India for posts and the like. Its bark is the Conessi 

 Bark of the Indian Materia Medica. It is valued as a tonic 

 and purgative, and is useful in dysentery. 



Palillos, a name in Peru for Campomanesia hnearifolia, 

 a tree of the Myrtle family (Myrtacese), attaining a height 

 of 20 to 30 feet. The fruit is as large as a moderate -sized 

 apple, and of a bright -yellow colour, and is one of the in- 

 gredients used in making the perfumed water called " Mistura." 



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