May 1904 ] Index to North American Mycology 
143 
Phyllostictella PL Tassi n. g. [Genus Phyllostictse analogum 
sed phseosporum.] Bull. Lab. ed Orto Bot. Siena, 5:19. 
1902. 
Phyllostictella cephalanthi (Ell. & Ev.) FI. Tassi n. n. 
[Coniothyrium cephalanthi Ell. & Ev.] Bull. Lab. ed Orto 
Bot. Siena, 5:19 1902. 
Phyllostictella discincola (E. & E.) FI. Tassi n. n. [Phyllos- 
ticta discincola E. & E.] Bull. Lab. ed Orto Bot. Siena, 
5:20. 1902. 
Phyllostictella lentaginis (Sacc. et Ell.) FI. Tassi n. n. 
[Phyllosticta lentaginis Sacc. et Ell., P. viburni Ell.] Bull. 
Lab. ed Orto Bot. Siena, 5 :20. 1902. 
Phyllostictella orbicula E. & E.) FI. Tassi n. n. [Phyllosticta 
orbicula Ell. & Ev.] Bull. Lab. ed Orto Bot. Siena, 5:21. 
1902. 
Phyllostictella perforans (Ell. & Ev.) FI. Tassi n. n. 
[Phyllosticta perforans Ell. & Ev.] Bull. Lab. ed. Orto 
Bot. Siena, 5:21. 1902. 
Phytolacca decandra, host to Leptosphaeria variegata Peck n. 
sp. N. Y. State Mus. Bull. 67:32. 1903. 
Pierce, G. J. Root Tubercles of Bar Clover and Some other 
Leguminous Plants (Medicago lupulina Willd.) Proc. Calif. 
Acad. Sci. 1902, Ser. 3, 10:295-328. 1902. 
Pinus ponderosus, host to Polyporus ponderosus von Schrenk. 
n. sp. U. S. Dept. Agr. Bureau PI. Ind’s. Bull. 36:30. 5 May 
1903. 
Pirus americana, host to Diaporthe congesta E. & E. Jour. 
Mycol. 9:165. Oct. 1903. 
Pirus coronaria, host to Cryptovalsa pirina E. & E. n. sp. Jour. 
Mycol. 9:167. Oct. 1903. 
Pirus japonica, dead limbs, host to Diatrypella xanthostroma 
E. & E. n. sp. Jour. Mycol. 9:225. Dec. 1903. 
Plum Blight Caused by the Pear Blight Organism. L. R. Jones 
and L. P. Sprague. Proc. An. Meeting Soc. Prom. Agr. 
Sci.. 1903, 24:29-31. [1903.] 
Plum Blight, Studies upon, see Blight, Plum. . . . 
Poa pratensis, host to Sporotrichum poae Peck n. sp. N. Y. State 
Mus. Bull. 67:29. 1903. 
Podaxon strobilaceus Copeland n. sp., on a claybank. Ann. 
Mycolog. 2 14. Jan. 1904. 
Poisoning by Lepiota morgani Pk. F. L. Stevens. Jour. Mycol. 
9:220-2. Dec. 1903. 
Pokeweed, see Phytolacca decandra. . . . 
{To he continued.) 
