

LIST OF DISEASES OF ECONOMIC PLANTS 73 



PHYLIOSTACHYS. 



Phyllostachys sp., bamboo. 



Cylindrosporium bambusae Miyake and Hara. Ga. 



Melanconium bambusae Turconi. Ga. 



Schirrhia bambusae Turconi. Ga. 

 P. bambusoides, Japanese timber bamboo. 



Coniosporium shiraianum (Syd.) Bub. Fla. 



Puccinia arundinariae Schw., rust. Fla. 



P. melanocephala Syd., rust. Ga., Fla. 



Ustilago shiraiana P. Henn., smut. Fla., La., Calif. 

 P. nigra, blackjoint bamboo. 



Ustilago shiraiana P. Henn., smut. Fla., La., Calif. 

 PHYSOCARPUS. 



P. opulifolius, ninebark. 



Gloeosporium neilliae Hark., anthracnose. Calif. 



Marssonia lonicerae Hark., leaf-spot. Wis. 



M, neilliae Hark., leaf-spot. Calif. 



Ramularia ulmariae Cke., leaf-spot. N. Y. 



Sphaerotheca humuli (DC.) Burr., powdery mildew. Wis. 

 PICEA. 



P. canadensis, white spruce. 



Fomes pinicola Fr., brown crumbly rot. N. Y. 



F. roseus (Alb. and Schw.) Fr., brown pocket rot. General. 



Melampsoropsis pyrolae (DC.) Arth., rust. Me. 



Pythium debaryanum Hesse, damping-off. 



Razoumofskya pusilla (Pk.) O. Kuntze, mistletoe. Northeastern States. 



Trametes pini (Brot.) Fr. {Fomes pini (Thore) Karst.), honeycomb rot. 

 Vt., N. Y. 

 P. engelmanni, Engelmann spruce. 



Chrysomyxa weirii Jack., rust. Mont., Idaho, Oreg. 



Corticium vagum Berk, and Curt., damping-off. D. C, Calif. 



Echinodontium tinctorium Ell. and Ev., brown stringy rot. Mont., Idaho, 

 N. Mex. 



Fomes officinalis (L.) Fr., reddish brown rot. 



F. pinicola Fr., brown crumbly rot. Mont. 



F. roseus (Alb. and Schw.) Fr., brown pocket rot. 



Herpotrichia nigra Hartig, matting. Colo., Wyo., Idaho, Oreg. 



H. quinqueseptata Weir, brown f elt-blight. Idaho. 



Hydnum sp., honeycomb rot. 



Melampsorella elatina (Alb. and Schw.) Arth., rust. Idaho. 



Melampsoropsis ledicola (Pk.) Arth., rust. Colo. 



M. pyrolae (DC.) Arth., rust. Mont. 



Peridermium coloradense (Diet.) Arth. and Kern, rust witches'-broom. 

 Northern Rocky Mts.; Pacific Northwest. 



Polyporus dryadeus (Pers.) Fr., heart-rot. Pacific Northwest. 



P. schweinitzii Fr., red-brown butt-rot. 



P. sulphur eus (Bull.) Fr., brown-checked wood-rot. Me. 



Pythium debaryanum Hesse, damping-off. 



Razoumofskya douglasii microcarpa Engelm., mistletoe. Idaho, Colo., Mont., 

 Ariz., N. Mex. 



R. laricis Piper, mistletoe. Mont. 



Sparassis radicata Weir, yellow root-rot. Mont., Pacific Northwest. 



Tmmetes pini (Brot.) Fr. {Fomes pini (Thore) Karst.), honeycomb rot. 

 Mont., Idaho. 

 P. excelsa, Norway spruce. 



Melampsorella elatina (Alb. and Schw.) Arth., rust. Mont., Wyo. 

 P. mariana, black spruce, and P. rubra, red spruce. 



Fomes annosus Fr., white spongy rot. Me. 



F. pinicola Fr., brown crumbly rot. Me. 



Melampsoropsis abietina (Alb. and Schw.) Arth., leaf blister rust. N. H., 

 Mich. 



M. cassandrae (Pk. and Clint.) Arth., leaf blister rust. Mich., Minn. 



M. ledicola (Pk.) Arth., leaf blister rust. Me. ; Minn. 



Polyporus borealis Fr., cuboidal wood-rot. Minn. 



58433— 26t 6 



