Feb. 1903] Index to North American Mycology 
43 
Pleomassaria magnoliae Shear n. sp., on dead Magnolia obo- 
vata. Bull. Torr. Bot. Club, 29:455. July 1902. 
Pleosphaerulina cassiae P. Henn. n. sp., auf lebenden Blattern 
von Cassia reticulata W. Beiblatt zur Hedwigia, 41 :(ro2). 
Mai-Juni 1902. 
Pleospora alismatis E. & E. n. sp., on dead stems of Alisma plan- 
tago. Jour. Mycol. 8:16. May 1902. 
Pleospora kansensis E. & E. n. sp., on dead stems of Melilotus 
alba. Jour. Mycol. 8:17. May 1902. 
Pleurotus minutus Peck n. sp., much decayed wood of Birch. 
N. Y. State Mus. Bull. 54:949. Nov. 1902. 
Pleurotus stratosus Atkinson n. sp., on rotting log. Jour. 
Mycol. 8:116. Oct. 1902. 
Pluteus flavofuligineus Atkinson n. sp., on very rotten wood,, 
woods. Jour. Mycol. 8:117. Oct. 1902. 
Podosphaera oxycanthae (DC.) De By., Interesting variations 
in the appendages of. J. G. Sanders. Jour. Mycol. 8:170. 
Dec. 1902. 
Polyporaceae of North America. I. The Genus Ganoderma.. 
[Monograph.] William Alphonso Murrill. Bull. Torr. B’ot. 
Club, 29 :599-6 o 8. Oct. 1902. 
Polyporus borealis [as Tree-destroying, Atkinson]. Trans. 
Mass. Hort. Soc. 1901:111-15. 1902. 
Polyporus castanophilus Atkinson n. sp., on decorticated and 
one-half rotted Chestnut logs. Jour, Mycol. 8:118. Oct. 
1902. 
Polyporus curtisii Berk., syn. of Ganoderma pseudoboletus q. v. 
Polyporus holocyaneus Atkinson n. sp., on the ground under 
conifer trees (Picea or Tsuga). Jour. Mycol. 8:117. Oct. 
1902. 
Polyporus igniarius [as Tree-destroying, Atkinson.] Trans. 
Mass. Hort. Soc. 1901:119-123. 1902. 
Polyporus laccatus Pers., syn. of Ganoderma pseudoboletus q. v. 
Polyporus lucidus Fr., syn. of Ganoderma pseudoboletus q. v.. 
Polyporus oerstedii Fr., syn. of Ganoderma oerstedii q. v. 
Polyporus sulphureus [as Tree-destroying, Atkinson.] Trans. 
Mass. Hort. Soc. 1901:115-9. 1902. 
Poplar, White, see Populus alba. 
Populus alba, host to Phyllosticta alcides Ell. & Kellerm. n. sp. 
Ohio Naturalist, 2:223, 262. March and April 1902. 
