140 NEW YORK STATE MUSEUM 
Periconia sphaerophila P&. 
N. Y. State Mus. Rep’t 34, p.5o, pl2, fig.17-20. 1881. (Sporocybe 
sphaerophila (Pk.) Sacc.) 
Periconia tenuissima Pk, 
N. Y. State Mus. Rep’t 46, p.33-34. 1893. Bot. ed. 
Periconia truncata C. & P. 
N. Y. State Mus. Rep’t 29, p.51-52. 1878. (Sporocybe truncata (C. & 
P:). ‘Sacc.) 
Peridermium balsameum PR. 
N. Y. State Mus. Rep’t 27, p.104, pl.2, fig.24-26. 1875 
N. Y. State Mus. Rep’t 31, p.23. 1879. (Note) 
Peridermium cerebrum PR. 
Buf. Soc. Nat. Sci. Bul. 1, p.68. July 1873 
N. Y. State Mus. Rep’t 25, p.o1. 1873 
Peridermium decolorans Pk. 
N. Y. State Mus. Rep’t 27, p.104-5, pl.1, fig.19-21. 1875 
N. Y. State Mus. Bul. 25, p.672. 1899 
N. Y. State Mus. Rep’t 33, p.38. 1880. (As Peridermium abietinum 
decolorans (Pk.) Thiim.) 
Peridermium filamentosum Pk. 
Bot. Gaz. 7:56-57. May 1882 
Peridermium pyriforme PR. 
Torr. Bot. Club Bul. 6, p.13. Feb. 1875 
Peronospora geranii Pk. 
N. Y. State Mus. Rep’t 28, p.63.. 1876. (Plasmopara geranii (PR.) 
Berl. & DeTon) 
Peronospora simplex Pk. 
N. Y. State Mus. Rep’t 31, p.45. 1879. (Plasmopara entospora (Roze 
& Cornu) Schroet.) 
Pestalozzia (?) camptosperma PR. 
N. Y. State Mus. Rep’t 39, p.48, pl.1, fig.1o-11. 1886. (Monochaetia 
camptosperma (Pk.) Sacc. in Sylloge 18) 
Pestalozzia consocia PR. ¥ 5 
N. Y. State Mus. Rep’t 39, p.48, pl.1, fig.8-9. 1886. (Monochaetia con- 
socia (Pk.) Sacc.) 
Pestalozzia stevensonii Pk. 
Torr. Bot. Club Bul. 6, p.135-36. Feb. 1877 
N. Y. State’ Mus. Rep’t 34, p.45. 1881. (Note)  (Pestalozzia 
strobilicola Sfeg. 1879) 
Pezicula acericola Pk. 
N. Y. State Mus. Bul. 28, p.232. 1809. (Name) 
N. Y. State Mus. Rep’t 25, p.98. 1873. (As Nodularia acericola Pk.) 
Buf. Soc. Nat. Sci. Bul. 4, p.220. Apr. 1882. (As Dermatea acericola 
PR.) 
Pezicula acericola Pk. var. gregaria Pk. 
N. Y. State Mus. Rep’t 40, p.77. 1887 
Pezicula minuta PR, 
N. Y. State Mus. Bul. 2, p.21-22. 1887 
N. Y. State Mus. Rep’t 32, p.48. 1879. (As Dermatea minuta PR.) 
