650 



PiLGER, R. 

 PiLLANS, N. S. 



PiROTTA, S. E. R. (edited 



by) 

 PococK, M. A. 



Pole Evans, I. B. 



PORTERES, R. 



Ramsbottom, J. 

 Rendle, a. B. 



Rendle, a. B., 

 Baker, E. G., and 

 Moore, S. le M. 



Rendle, A. B., and Others 



Rich, F. 



Rich, F., and 



PococK, M. A. 

 Richard, A. 

 RoBB, R. L. 



ROBBINS, C. R. 



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