A monographic study of the fern genus Anemia, subgenus Coptophyllum. John T. Mickel, 349

Introduction 349

Materials and methods 351

Morphology and methods 352

Cytology 374

Ecology and hybridization 377

Fossil history and modern distribution 379

Familial and genetic relationships 382

Species relationships 385

Taxonomic revision 388

Illustrations 438

Literature cited 479

Genetics of oat stem rust resistance. I. Inheritance of reaction to races 6,8, and 13A in C.I. 3039 J.A. Browning and K.J. Frey 483