LIST OF DISEASES OF ECONOMIC PLANTS 77 



PINUS— Continued. 



P. ponderosa, western yellow pine — Continued. 



C. comptoniae Arth., sweet-fern rust. Mass., N. H., Conn., Mich. 



C. filamentosum (Pk.) Hedge, and Long, rust. Colo., Mont., Ariz., Utah, 



Wash., Calif. 

 C. harknessii (Moore) E. P. Meinecke, rust. Idaho, Wash., Calif. 

 C. pyriforme (Pk). Hedge, and Long, rust. Mont., Wyo., Colo., S. Dak., 



Ariz., Utah, Idaho; Pacific coast. 

 C. stalactiforme Arth., rust. Mont. 



Fomes officinalis Fr., reddish brown-rot. S. Dak., Ariz., Wash. 

 F. pinicola Fr., brown crumbly rot. Western States. 

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

 Fusarium sp., damping-off. Vt., N. Y., N. J., Nebr. 

 Hypoderma deformans Weir, needle cast. Pacific Northwest and Mont. 

 Lentinus sp., red-brown heart-rot. Ariz. 



Lophodermium pinastri (Schrad.) Chev., needle cast. Idaho, Oreg. 

 Neopeckia coulteri (Pk.) Sacc, brown felt-blight. Calif. 

 Pestalozzia sp., leaf-blight. N. Y., Nebr. 



Polyporus ellisianus (Murr.) Long, red-rot. S. Dak., N. Mex., Ariz., Wash. 

 P. ponderosus Schrenk, red-rot. S. Dak. 

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

 P. sulphureus (Bull.) Fr., brown-checked wood-rot. 

 Pythium debaryanum Hesse, damping-off. 



Razoumofskya americana Nutt., mistletoe. Mont., Idaho, Oreg. 

 R. campylopoda (Engelm.) Piper, mistletoe. Northern Rocky Mt. States; 



Pacific Northwest. 

 R. cryptopoda (Engelm.) Coville, mistletoe. Rocky Mt. States. 

 Rhizina inflata (Schaeff.) Sacc, seedling blight. Mont. 

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



S. Dak., Mont., Oreg., Calif. 

 P. pungens, Table Mountain pine. 



Coleosporium solidaginis (Schw.) Thuem., rust. Md. 



Cronartium pyriforme (Pk.) Hedge, and Long, rust. Pa., Northwestern 



States. 

 P. radiata, Monterey pine. 



Cronartium cerebrum (Pk.) Hedge, and Long, rust. Calif. 

 Lophodermium pinastri (Schrad.) Chev., needle cast. Calif. 

 Razoumofskya campylopoda (Engelm.) Piper, mistletoe. Calif. 

 P. resinosa, red pine. 



Coleosporium delicatulum (Arth. and Kern) Hedge, and Long, rust. Vt. 

 C. solidaginis (Schw.) Thuem., needle rust. N. H., Vt., N. Y., Pa., S. C, 



Minn. 

 Corticium vagum Berk, and Curt., damping-off. Conn., Mich., Minn. 

 Cronartium comptoniae Arth., sweet-fern rust. N. H. 

 Fomes pinicola Fr., brown crumbly rot. General within range of host. 

 Fusoma parasiticum Tub., damping-off. Minn. 

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

 P. sulphureus Fr., brown-checked wood-rot. Minn. 

 Pythium debaryanum Hesse, damping-off. Minn. 



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

 P. rigida, pitch pine. 



Armillaria mellea (Vahl) Quel., root-rot. Pa. 



Coleosporium campanulae (Pers.) L6v., rust. Ohio. 



C. carneum (Bosc) Jack., rust. Conn., Pa., D. C, Va., N. C, W. Va., Ohio, 



Ind. 

 C. delicatulum (Arth. and Kern) Hedge, and Long, rust. New England, 



south to N. C. 

 C. elephantopodis (Schw.) Thuem., rust. D. C, N. C. 

 C. ipomoeae (Schw.) Burr., rust. Pa., Md., S. C., Ga. 

 C. laciniariae Arth., rust. N. J. 

 C. solidaginis (Schw.) Thuem., rust. Conn, to Md. 

 C. terebinthinaceae (Schw.) Arth., rust. N. C. 

 Cronartium cerebrum (Pk.) Hedge, and Long, oak-rust. Mass., N. Y., N. J., 



Pa. 



