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Show l.ciilUtlllaser llchrna. Tho lichen Is remarkablo for the great ago to which it live, there Mug gootl grounds for IM-Ilevlnjr that they injure a long a it huulrod jcars. 'ihclr 1, row tli I cxoeodlugly slow, al-HK-st iwjoii.l Ullef, IndliNitliig lliut only n littles noiirUliment I riecesnary tu km p them rdlto. In adry tlmo they line 0 tlio tower to auipcnd grtiw th altogether, alto-gether, renewing It again at tlio full ot ram. Thla peculiarity uluiiu is ciiouli to uiako Iho licticn uvegetublo wonder, na it la n property osaod by 110 other rpee le of plant. Another interesting fact about lichens la that tliey e,rov only where tho nlr 1 frvo from duvt arid amoko 'llieymny be sold to bo n sure liitllentluii of tho purity of U10 ulr, as Ilicy aro nover found growing In citlcn and towns, where tho atmoihero ts luipregnatid with dust, soot, smoko aud uthcr Im-inirltlit, Im-inirltlit, St taut Hepubllc. |