July 1907] Index to North American Mycology 163- 



Protoplasmic Streaming in Fungi and Slime ^Moulds, Figures 

 Produced by. [Abstract.] R. A. Harper. Science N. S. 

 25:282. 22 Feb. 1907. 



PoiNCiANA pulcherrima L. (Caesalpinia pulcherrima Lev.), host 

 to Ravenelia humphreyana. Jour. A'lycol. 13:20. Jan. 1907. 



PoPULUS tremuloides Mx., host to Alelampsora albertensis Arth. 

 n. sp. Bull. Torr. Club, 33:517. Oct. 1906. 



PoPULus, wood, host to Plicaria repandioides Rehm n. sp. Ann. 

 Mycolog. 3:518. Dec. 1905. 



Potato Leaf-blotch Fungus new to America, Cercospora concors. 

 [Abstract.] L. R. Jones. Science N. S. 25:291. 22 Feb. 

 1907. 



Prunus pennsylvanica host to Alerulius pruni Peck n. sp. N. Y. 

 State Mus. Bull. 105 (Bot. 9) :25. Aug. 1906. 



PsATHYRA vestita Peck n. sp., fallen leaves and grass. N. Y, 

 State Mus. Bull. 105 (Bot. 9) :28. Aug. 1906. 



PusTULARiA gigantea Rehm n. sp., ad terram. Ann. ^lycolog. 

 3:517. Dec. 1905. 



Pyrexopeziza ellisii (Rehm.) Massee. Synon. : Niptera ellisii 

 Rhem. Ellis N. A. F. 565 (sub. Peziza denigrata.) Ann. 

 Mycolog. 3:519. Dec. 1905. 



Puccinia amphilophii Diet. & Holw., syn. of Prospodium amphi- 

 lophii q. V. 



PuccixiA appendiculata Wint. syn of Prospodium appendicula- 



tum q. V. 



Puccinia dolochi Arth. [is an unwarranted name. Changed to 

 Uredo dolochi Arthur.] Bull. Torr. Bot. Club, 33 :5I3. Oct. 

 1906. 



Puccinia exitiosa Syd. & Holw. syn. of Nephlyctis transformans 



q. V. 



Puccinia heliotropii Kern & Kellerm. n. sp., on Heliotropium in- 

 dicum L. [Guatemala.] Jour. Mycol. 13:23. Jan. 1907. 



Puccinia inflata Arth. n. sp., on Stigmatophyllum periplocifo- 

 Hum (Desf.) Juss. [Cuba.] Bull. Torr. Bot. Club, 33:516. 

 Oct. 1906. 



Puccinia medusaeoides Arth. syn. of Prospodium appendicu- 

 latum q. v. 



Puccinia nivea Holway, syn. of Pohoma nivea q. v. 



