218 British Uvedinee and Ustilaginee. 
ated, smooth, very pale yellowish brown, 30-50 X 15-20p. 
Pedicels very long, persistent, hyaline. 
Synonyms. 
Puccinia annularis (Strauss). Winter in Rabh., “ Krypt. Flor.,” 
vol. i. p. 165. 
Uredo annularis. Strauss (in “ Wetter. Annal.,” vol. ii. p. 106). 
Puccinia scorodinia, Link. Cooke, “ Hdbk.,” p. 497; “ Micro. 
Fungi,” 4th edit., p. 205. Berk, ‘‘ Eng. Flor.,” vol. v. p. 364 
Johnst., “ Flor. Berw.,” p.. 194. 
Exsiccatt. 
Cooke, i. 31; ii. 329; “L. F.,” 9. Vize, “Fungi Brit.,” 17; 
‘“‘ Micro. Fungi Brit.,” 123, 
On Zeucrium scorodontia. 
September and October.. 
B1oLoGy.—The sori occur on. the under side of the leaves, on 
brown concave spots. As I understand Schréter, he considers the 
production of those spores which germinate at once ceases with the 
cold weather, and that the spores produced under the influence of a 
low temperature, as well as those which are found late in the year, 
surrounded by a circumferential zone of dead leaf-tissue, retain their 
power of germination until the following year. 
TRIPHRAGMIUM. Link. 
Teleutospores separate, pedicellate, composed of three cells 
placed laterally, which are triangular in form and firmly held 
together, each cell having a single germ-pore. 
BRACHYTRIPHRAGMIUM. 
Having spermogonia, uredospores, and teleutospores, 
Triphragmium ulmarie. (Schum.). 
Primary uredospores—Vernal, spermogonia flattish, spermatia 
about 6m long. Sori hypophyllous, very large, pulverulent, 
mostly on the petioles and venation, causing elongated swell- 
ings, which greatly distort the affected leaves by preventing 
