100 BULLETIN 1366, TJ. S. DEPARTMENT OF AGRICULTURE 



SYRINGA — Continued. 

 S. vulgaris, lilac. 



Botrytis cinerea Auct., blossom blight. Wash. 



Cercospora lilacis (Desm.) Sacc, leaf -spot. S. C, Miss., Minn. 



C. macromaculans Heald and Wolf, leaf-spot. Tex., Okla. 



Corticium stevensii Burt (Hypochnus ochroleucus F. Noack), leaf-blight. 



N. C, Miss. 

 Microsphaera alni (Wallr.) Wint., powdery mildew. General. 

 Phyllosticta halstedii Ell. and Ev., leaf -spot. N. J. 

 P. syringae West., leaf -spot. Wis. 

 Polystictus versicolor (L.) Fr., yellowish wood-rot. Mo. 

 Sphaeropsis sp. Pa. 

 Uncinula clintonii Pk., powdery mildew. Ind. 



TAGETES. 



Tagetes sp., marigold. 



Botrytis cinerea Auct., rot. Conn. 

 TAXODIUM. 



T. distichum, baldcypress. 



Forties geotropus Cke., pecky heartwood rot. Southern States. 



Pestalozzia funerea Desm., leaf -blight. Tex. 



THUJA. 



T. occidentalism arbor vitae. 



Keithia thujina E. J. Durand, leaf -blight. Va,, Wis. 



Lophodermium pinastri (Schrad.) Chev., leaf-cast. Me. 



Pestalozzia funerea Desm., leaf -blight. Me., Mass., Va., N. C. 



Phomopsis juniperovora G. Hahn, nursery blight. Pa. 

 T. orientalis, oriental arborvitae. 



Diplodia sp., die-back. Fla. 



Phomopsis juniperovora G. Hahn, nursery blight. Pa., Ind., 111., Iowa, 

 Nebr., Kans. 

 T. plicata, giant arborvitae. 



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



Coryneum thujinum Dearn., leaf -blight. Oreg. 



Herpotrichia nigra Hartig, matting. Idaho. 



Keithia thujina E. J. Durand, leaf-blight. Pacific Northwest. 



Mycosphaerella thujae Petr., leaf -spot. Idaho. 



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



Poria weirii Murr., brown laminated rot. Throughout range of host. 



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



TILIA. 



Tilia sp., linden, basswood. 



Actinonema tiliae Allesch., leaf-spot. Ind. 



Cercospora microsora Sacc, leaf -blight. Widespread east of Great Plains. 



C. tiliae Pk., leaf-spot. N. Y. 



Gloeosporium tiliae Oud., anthracnose. N. Y., Mass., Va., Minn. 



Hydnum septentrionale Fr., white sapwood rot. Ala. 



Melanconium tiliae Pk., twig-blight. Ohio. 



Phoradendron flavescens (Pursh) Nutt., mistletoe. 



Phyllosticta tiliae Sacc. and Speg., leaf-spot. N. Y., Pa., W. Va. 



Uncinula clintonii Pk., powdery mildew. Widespread in Eastern States. 



TRAGOPOGON. 



T. porrifolius, vegetable-oyster, salsify. 



Albugo tragopogonis (DC.) S. F. Gray, white-rust. General in northern half 

 of United States. 



Bacillus carotovorus L. R. Jones (Erwinia carotovora (Jones) Com. S. A. B.), 

 soft-rot. Conn. 



Corticium vagum Berk, and Curt., stem-rot. Wash. 



Erysiphe cichoracearum DC, powdery mildew. Nebr., Wash. 



Heterodera radicicola (Greef) Muell., root-knot. Va., Ala., Wash. 



Ozonium omnivorum Shear (Phymatotrichum omnivorum (Shear) Dug.), root- 

 rot. Tex. 



