The treasury of botany: a popular dictionary of the vegetable kingdom; with which is incorporated a glossary of botanical terms . te layer contains a quantity of black,extremely acrid, caustic oil, which givesrise to severe excoriation of the lips andtongue in those who attempt to crack thenut with their teeth. This oil is sometimesapplied to the floors of houses in India, toprotect them from the attacks of whiteants. The acrid matter is destroyed byheat, hence the kernels are roasted beforebeing eaten, and then become wholesomeand agreeable. The process of roastinghas to be carefully conducte
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The treasury of botany: a popular dictionary of the vegetable kingdom; with which is incorporated a glossary of botanical terms . te layer contains a quantity of black, extremely acrid, caustic oil, which givesrise to severe excoriation of the lips andtongue in those who attempt to crack thenut with their teeth. This oil is sometimesapplied to the floors of houses in India, toprotect them from the attacks of whiteants. The acrid matter is destroyed byheat, hence the kernels are roasted beforebeing eaten, and then become wholesomeand agreeable. The process of roastinghas to be carefully conducted, the acridityof the fnmes being so great as to pro-duce severe inflammation in the face ofpersons approaching too near. [M. T. M.] ANACHARIS. A submerged aquatic, belonging to the natural order Hydrocha-ridacece, having long, much-branchedstems, small pellucid leaves, which areusually inserted in whorls of three, or lessfrequentlyfour, and inconspicuous flowers:an American plant, which made its appear-ance in several remote parts of Britain al-most simultaneously about the middle ofthe nineteenth century. How it was intro-. Anacharis Alsinastrum. duced is unknown, and it is equally amystery by what means it traversed thewide tracts of country which separate thevarious stations in which it first appeared;for, as it is dioecious, and pistilliferous plantsalone have found their way to this country, it perfects no seeds. It easily propagates I itself from a small portion either of stalkj or root, and is of wonderfully rapid growth ;hence it has in many instances destroyedthe beauty of ornamental pieces of water, impaired navigation in not a few inlandcanals, and interferes with the workingof water-mills, by choking the outlets ofreservoirs, especially towards the close ofsummer, when its debris are often broughtdown by the current in large quantities.Great efforts have been made to eradicateit in various places, but with imperfectsuccess. It is greedily eaten by swans andsome other wa