CONTENTS. 
PAGE 
Evans, I. B. Pole. — The Cereal Rusts. I. The Development of 
their Uredo mycelia. With Plates XL-XLIII . . . 441 
Campbell, Douglas Houghton.— Studies on some Javanese 
Anthocerotaceae. I. With Plates XLIV-XLVI . . . 467 
White, Jean. — The Influence of Pollination on the Respiratory 
Activity of the Gynaeceum . 487 
Reed, Howard Sprague. — The Value of Certain Nutritive Elements 
to the Plant Cell. With two Figures in the Text . . .501 
Contents and Index . . . . . . . . v 
Vines, S. H. — Biographical Sketch of Harry Marshall Ward (with 
Portrait) ix 
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