APPENDIX FLORA OF NOVA SCOTIA. 183 



civilization ; nevertheless in the vast majority of instances these 

 species are found only in the vicinity of human habitations, i. e. 

 cleared lands and pastures where they have room to spread, and 

 dispute the soil with native plants but even here they do not always 

 obtain exclusive possession ; many native plants possess such vigorous 

 powers of reproduction that they very often compete so successfully 

 with the immigrants as to obtain the mastery in the occupation of 

 cleared lands, which are neglected by the husbandman. 



ABBREVIATIONS USED IN THE CATALOGUE. 



H.=Herbarium (Prov Museum) Prof. How, D. C. L., Kings' College, Wind- 

 sor, N. S. 

 Ln.= " Prof. Lawson, Ph. D., L.L.D., Dalhousie Coll., Halifax, N. S. 



S.= " Prof. Sommers, M. D., Halifax Medical College. 



K.= " A. H. McKay, B. A., Principal Pictou Academy. 



B.= « Rev. E. H. Ball, (St. Luke's) Halifax, N. S. 



C.= « D. A. Campbell, M. D., C. M., Halifax Medical College. 

 Ly.= " A. W. H. Lindsay, M. D., Halifax, Nova Scotia, 



n means near. 



6 



