. Chambers's encyclopedia; a dictionary of universal knowledge for the people. erally believed to be organs of the star-fish or sea-urchin, although their use is merelyconjectured to be that of keeping the surface of theechinoderm free of algre and zoophytes. The intro-duction of a pins point between the blades causes animmediate closing of tliem. They are found both onshelly and on comparatively soft integuments, andare always present, and always of a particidarform, according to the species of echinoderm, andaccording to the particidar place which they occupy,being crowded chiefly around the


. Chambers's encyclopedia; a dictionary of universal knowledge for the people. erally believed to be organs of the star-fish or sea-urchin, although their use is merelyconjectured to be that of keeping the surface of theechinoderm free of algre and zoophytes. The intro-duction of a pins point between the blades causes animmediate closing of tliem. They are found both onshelly and on comparatively soft integuments, andare always present, and always of a particidarform, according to the species of echinoderm, andaccording to the particidar place which they occupy,being crowded chiefly around the si^ines, and nearthe mouth of sea-urchins. PEDICULARIS, a genus of herbaceous plantsof the natural order Scrophulariacea, some of whichhave rather large and finely-coloured flowers. Twospecies, P. palustris and P. sijlvatica, are nativesof Britain, common in wet grounds. Both havereceived the name of Lousewort, the English equi-valent of pedicularis, from their supposed influ-ence in producing the lousy disease in sheep; aninfluence purely imaginary. Their acridity renders. ^ M V


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