CONTENTS xi 



CHAPTER PAGE 



XII. FUNGI IMPERFECTI (Continued) 



XLIV. Phyllosticta 345 



XLV. Black Rot of Sweet Potato 348 



XLVI. Black Rot and Canker of Pomaceous Fruits . . . 350 



XLVII. Raspberry Cane Blight 354 



XLVIII. Rose Leaf Blotch 357 



XLIX. Leaf Spot of the Pear 358 



L. Late Blight of Celery 361 



EL Septoria : Other Species 362 



LI I. Currant Cane Blight 364 



LI 1 1. Leaf Blight of Pear and Quince 365 



LIV. Sooty Blotch and Fly Speck of the Apple and Other 



Plants 367 



XIII. HEMIBASIDIOMYCETES 370 



I. Ustilaginales 370 



II. Loose Smut of Oats 372 



III. Loose Smut of Wheat 375 



IV. Smut of Corn , 376 



V. Smut of Blue-Stem Grass 378 



VI. Tolyposporium bullatum (Schroet.) Schroet. . . . 378 



VII. Bunt, or Stinking Smut of Wheat 379 



VIII. Tilletia: Other Species 380 



IX. Entyloma 380 



X. Onion Smut 381 



XIV. PROTOBASIDIOMYCETES 384 



I. Rust Fungi 384 



II. Families and Genera 388 



III. Synopsis of Species 391 



IV. Clover Rust 395 



V. Rust of Beans 397 



VI. Rust of Vetch and Garden Pea 398 



VII. Beet Rust 399 



VIII. Carnation Rust 399 



IX. Uromyces: Other Species 402 



X. Asparagus Rust 403 



XL Violet Rust 407 



XII. Mint Rust 407 



XIII. Black Rust of Grain 4 8 



XIV. Rust of Maize 414 



XV. Timothy Rust 41 5 



XVI. Brown Rust of Wheat and Rye 4' 6 



XVII. Rust of Stone Fruits 4' 7 



XVIII. Hollyhock Rust 419 



