1 82 British Uredinc(T and Ustilaginccr. 



rounded or conical, lower cell attenuated below, slightly con- 

 stricted, 40-60 X i8-2o/^. Pedicels short, persistent. 



Exsiccati. 

 Vize, "Micro. Fungi Brit.," 544, 552. 



^cidiospores on Astei' triJ>oIiu>n, June and July. 

 Teleutospores on Carex extensa, August to June. 

 Wells-next-the-Sea ; Norfolk. 



Biology. — The life-history of this species was worked out by ;.i 

 series of experimental cultures during the year 18R8. 



II. BRACHYPUCCINIA. Schrot. 

 Having spermogonia, uredospores, and teleutospores. 



Puccinia suaveolens. (Pers.) 



Spermogonia — Pale yellow, scattered over the whole kaf-surface, 

 sweet-scented. 



Uredospores — Primary: Son hypogenous, large, crowded, soon 

 confluent, very pulverulent. Spores echinulate, globose, 

 brown, 22-20/x in diameter. Secondary: Sori small, scat- 

 tered, discrete, rarely confluent. Spores globose or broadly 

 elliptical, echinulate, epispore brown, 20-30/^ in diameter. 



Teletdospores — Sori small, roundish or elongate, blackish brown. 

 Spores oval or oblong, rounded above, echinulate, pale brown, 



25-40 X 17-25/^- 



Synonyjns. 



Puccinia suaveolens (Pers.). Winter in Rabh., " Krypt. Flor.," 

 vol. i. p. 189. 



Uredo suaveolens. Pers., "Syn.," p. 221. Berk., " Eng. 

 Flor.," vol. V. p. 379. Purton, "Midi. Flor.," vol. iii., No. 1548. 

 Grev., " Flor. Edin.," p. 434. Johnst., " Flor. Berw.," vol. ii. 

 p. 202. Sow., t. 398, fig. 5. 



Trichobasis suaveolens^ Lev. Berk., "Outl.," p. 208. Cooke, 

 "Hdbk.," p. 530; "Micro. Fungi," 4th edit., p. 226, t. vii. 



figs. 151-153- 



Puccinia compositarum, Mart. Cooke, "Hdbk.," p. 498, in part. 



Puccinia obiegens, Fckl. Vize, Exs. 



