Nov. 1906] Index to North American Mycology 
265 
Pinus sp., host to Peridermium fusiforme Arth. & Kern n. sp. 
Bull. Torr. Bot. Club, 33:422. Aug. 1906. 
Pinus sp., host to Peridermium delicatalum Arth. & Kern n. sp. 
Bull. Torr. Bot. Club, 33 413. Aug. 1906. 
Placographa (Patinella) mexicana Rehm n. sp., ad lignum pu- 
tridum. Ann. Mycolog. 4:337. Aug. 1906. 
Plant Diseases in 1005. W. A. Orton. Yearbook U. S. Dept. 
Agr. 1905:602-611. 1906. 
Plant Diseases of the State, A Report on the. John L. Sheldon. 
W. Va. Agr. Exp. Sta. Bull. 96:68-99. 6 PI. June 30 1905. 
Plasmopara [Peronoplasmopara] cubensis Berl. syn. of Perono- 
plasmopara cubensis q. v. 
Plasmopara cubensis Humph, syn. of Peronoplasmopara cuben¬ 
sis q. v. 
Pleospora aureliana Fairman n. sp., on the outer surface of pods 
of Robinia pseudacacia. Ann. Mycolog. 4:328. Aug. 1906. 
Pleospora magnifica Peck n. sp., dead stems of Phlox. Bull. 
Torr. Bot. Club, 33:221. Apr. 1906. 
Pleurotus Hollandianus sp. nov. [Description]. D. R. Sum- 
stine. Jour. Mycol. 12:59. Mar. 1906. 
P ocillaria (P Browne) Kuntze [Lentinus (Critini) Sacc.] 
[Earle]. Informe An. Estac. Cen. Agronom. Cuba, 1:230. 
1 June 1906. 
P ocillaria cinnamomea Earle n. sp. [Cuba.] Informe An. Es¬ 
tac. Cen. Agronom. Cuba, 1:231. 1 June 1906. 
Pocillaria palmeri Earle n. sp. [Cuba.] Informe An. Estac. 
Cen. Agronom. Cuba, 1 '.2^2. 1 June 1906. 
Pocillaria reflexa Earle n. sp. Informe An. Estac. Cen. Agro¬ 
nom. Cuba, 1:23i. 1 June 1906. 
Pocillaria similans Earle n. sp. [Cuba.] Informe An. Estac. 
Cen. Agronom. Cuba, 1 '.2^2. 1 June 1906. 
Pocillaria vestida Earle, n. sp. [Cuba.] Informe An. Estac. 
Cen. Agronom. Cuba, 1:231. 1 Tune 1906. 
Pogonatum alpinum Roehl., host to Craterellus pogonati Peck, 
n. sp., Bull. Torr. Bot. Club, 33 :2i8. Apr. 1906. 
Pollock, J. B. Some Factors in the color production in a species 
of Fusarium. Science, N. S. 23:422-3. 16 Mar. 1906. 
Polyporaceae of Centrol Maine, see Pileate Polyporaceae. . . 
Polyporus hypococinnus Berk, syn. of Aurantiporus pylotae q . v . 
