Peterson, Maude Gridley. 



How to know the wild fruits. 



340 pp. I pi. London and New York, 1905. RF-P 485 



Petiver, James. 



Account of .some American plants. 



(Mem. for tlie curious 1707, iip. 345-352.) 



Phinney, A. J. 



Flora of Central eastern Indiana. 

 VV- 1882.* 



(From 12th Ann. Report State Geologist of Indiana.) 



Piper, A. W. 



Trees of New York. 



pp. Boston, 1859. 



Piper, Charles V. 



Flora of the .state of Washington. 



637 pp. 22 pis. AWishino-ton. 1906. RP-P 665 



(Cont. U. K. Nat. Herbarium, XI.) 



New plants of the Pacific sloiie, with some revisions. 



(Smithsonian Misc. Coll., Vol. 5(.>, part 2, pp. 195-202, 1907.)* 



Piper, C. v., and Beattie, R. K. 



The flora of Palouse region. 



2o8 pp. Pullman, 1901. RP-P 665 



Piper, R. U. 



Trees of America. 



Part r, 16 pp. 4 ]ds 



2.+32 pp. +8 pis 

 3, +48 pp.+ ii pis. 



Pittier, H. F. 



I'oston, 1855. 

 Pjoston, 



Boston, 1858. 



4,-1-64 pp.-fi4 pis. Boston, 1858. 



See Durand, Th. 



R-P 665 

 R-P 665 

 R-P 665 

 R-P 665 



Piatt, M. 



Plants collected by the botanical class in tlie Delaware Literary Institute during 

 the summer of 1840. 



(54th Ann. Reii. of Regents, pp. 227-231. .Vlbaii.v, 1841.)* 



Plumier, Charles. 



Description de'S plantes de I'Amcrique. 



94 pp. io8 pis. Paris. 1693. ^-^ 734 



(Plates 1-50 reproduced from Traite des fougeres.) 



Nova plantarum Americanarum genera. 



73 PP- 40 pis. Parisiis, 1703. R-P 734 



Plantarum Americanarum. 



Fasc. I. 16 ])p. 25 pis. 



-> +37 PP- +50 pis. 



3, +64 pp. +75 pis. 



4. -f87 pp. -f 100 pis. 

 5. + 116 pp. + 125 pis. 

 6,+ 142 pp. 4-150 pis. 

 7,+ i68 PP.+ 175 pis. 

 8. -(-194 pp. +201 pis. 



9, + 220 pp. -(-226 pis. 



10, +262 PP.-J-262 pis. 



Poggenburg, J. F. 



Check list of North American Orchids, 

 pp. New York, 



397 



Amsterdam. 

 Amsterdam, 

 Amsterdam, 

 Amsterdam, 

 Amsterdam, 

 Amsterdam, 

 Amsterdam, 

 Amsterdam, 

 Amsterdam, 

 Amsterdam, 



1755- 

 1756. 

 1756. 

 1756. 

 1757- 

 1757- 

 1758. 

 175'^- 

 1759- 

 1760. 



R-P 

 R-P 

 R-P 

 R-P 

 R-P 

 R-P 

 R-P 

 R-P 

 R-P 

 R-P 



734 

 734 

 734 

 734 

 734 

 734 

 734 

 734 

 734 

 734 



