30 



Pucciuia gTOSSularise (Gm.) Wint. — H213, Vermilion lake. On Ribea 

 rubrum. 



Puccinia halenise Arthur & Holway (n. «/>.). HI. Sori irregularly con- 

 fluent in indefinite groups on the stems ami upper surface of the leaves, black, 

 polished, solid, minutely papillose^ remaining covered by the epidermis or 

 sometimes tardily naked; teleutospores Linear or cuncate-linear. smooth, brown 

 with darker apex, 42-52 by 8-9 mu., epispore thin, apex squarely or obliquely 

 truncate, or irregularly blunt, little or not at all thickened, pedicel very short, 

 colored. — H 100, Vermilion lake. On JIalenia deflexa. 



To the unaided eye this bears more resemblance to some pyrenomycetous 

 fungi than to the rusts. 



Puccinia muyclis Can.— H 136, Vermilion lake. II. On Zea mays. 



Puccinia meiitlia; Pers.— H 236, Vermilion lake. 11. On Mentha 

 canadensis. 



Puccinia mesomegala B. & C. — H in, Vermilion lake. On Clintonia 

 boreal is. 



Puccinia nardosinii E. & E.— H 232, Vermilion lake. On Petasites 

 palmata. 



Puccinia ornata Arthur & Holway (n. sp.) III. Sori hypophyllous, 

 papilliform, prominent, circinately clustered on bright reddish-purple spots 

 5-10 mm. in diameter, often forming a wart-like cluster at the centre, chocolate- 

 brown; teleutospores elongated oval or oblong, smooth, uniformly brown, 

 somewhat constricted at the septum, 33-50 by 15-22 mu, epispore rather thin, 

 apex obtuse or rounded, slightly or not at all thickened, base rounded or some- 

 what narrow r ed, pedicel thick, slightly colored, once to twice the length of the 

 spore. — H 223, Vermilion lake. On Rurnex britannica L. (E. orbicuhttns 

 Gray. ) 



This belongs to the section Leptopuccinia; the germinating spores give a 

 whitened or moldy appearance to the central sori of each cluster. 



Puccinia phragmitis (Schum.) Korn. — H 137, Vermilion lake. II. & 

 III. On Phragmites communis. 



Puccinia polygoni-ainphibii Pers. — H. 48, H. 50, Vermilion lake. On 

 Polygonum muhlenbergii. 



Puccinia porpliyrogenita Curt. — H 108, Vermilion lake. On Cor- 

 nus canadensis. 



Puccinia tanaceti DC. — H 133, Vermilion lake. II. On Helian- 

 thus giganteus. 



Puccinia tiarellae B. &C. — H 62. Vermilion lake. On Mitella nuda. 



Puccinia tomipara Trel. — H 12, Vermilion lake. II. On Bromus 

 ciliatus. 



Puccinia viola* (Schum.) Wint. — H 131, Vermilion lake. II. & III. 

 ( )n Viola blanda. 



Triphragmium clavcllosum Berk. — H 17, Vermilion lake. On 

 A ralia nudicaulis. 



Uromyces orobi (Pers.) Wint. — H 25, Vermilion lake. II. On Vicia 

 americana. 



Uromyces polygon] (Pers.) Fckl. — H 5. H 113, H 116. Vermilion lake. 

 [I. & III. On Polygonum aviculaiv. 



Uromyces trifolii (A. &S.) Wint.— H34, Duluth. I. & [I. OnTrifol- 

 iuin repens. 



