UREDINACEAE 413 



upper surface of the leaf, rarely on the leaf-sheath, culm, 

 or glumes ; uredospores globose or broadly elliptic, 

 spinulose, yellow, 20-32 //, or 21-32X20-24 /x. 



III. Sori blackish, small, numerous, often forming rings 

 on the leaf, surrounded by brown paraphyses ; teleutospores 

 shortly stalked, mostly clavate, apex truncate, with a 

 variable number of processes of variable length, 25-57 /x 

 long, basal cell 8-19 /x wide, terminal cell 10-19 I'- ^^'ide. 



Puccinia dispersa, Eriksson and Henn., Getreidr.^ p. 210, 

 tab. X., xi., figs. 1 19-123. 



I. Aecidia forming large orange patches on stem, leaves, 

 and calyx ; aecidiospores spinulose, 20-30 /x diam., or 

 20-30 X 19-22 [x. 



II. Sori small, i mm. long, and nearly as broad, crowded 

 in groups on the leaves, ochraceous brown ; uredospores 

 globose or broadly elliptical, spinulose, yellow, 19-29 /x 

 diam. 



III. Sori blackish, irregularly scattered on the under 

 side, rarely on the upper side of the leaf, each sorus 

 surrounded by curved, brown paraphyses ; teleutospores 

 shortly stalked, mostly elongate club-shaped, unsym- 

 metrical, 40-50 \x broad, terminal cell 14-19 /^ broad; 

 promycelium colourless. 



Puccinia glumarum, Eriksson and Henn., Gefreidr., p. 

 141, tab. v.-ix., figs. 52, and 57-108. 



I. Unknown (wanting?). 



II. Sori minute, yellow-brown, densely crowded on the 

 leaves, more scattered on the inner surface of the glumes ; 

 uredospores globose or shortly elliptical, spinulose, yellow, 

 25-30 /x diam. 



III. Sori forming crowded, blackish streaks on the leaf- 



