Part 7, 1922] AECIDIACEAE 519 
III. Telia hypophyllous, sometimes also petiolicolous or catilicolous, crowded and eften 
confluent in orbicular groups upon the leaves, or elongate groups upon the petioles or stems, 
2-10 mm. across, upon yellowish spots, roundish, small, 0.3-0.7 mm. across, early naked, 
compact, pulvinate, chocolate-brown, surrounding epidermis noticeable; teliospores obovate 
or ellipsoid, 17-25 by 24-33 y, narrowed or rounded at both ends; wall chestnut-brown, 
2-3 » thick, much thicker at apex, 6-12», smooth; pedicel nearly colorless, about as long 
as spore. 
On CARDUACEAE: 
Solidago elongata Nutt., Wyoming. 
Solidago pulcherrima A. Nelson (S. nemoralis Auct.), Colorado. 
Solidago serotina Ait., Idaho, Montana, Washington, Wyoming. 
Solidago sp., Oregon. 
TYPE LocaLity: Norrland, Sweden, on Solidago virgaurea. 
P en: Colorado and Montana westward to Oregon and Washington; also in Europe 
and Asia, 
ILLUSTRATIONS: Arch. Nat. Land. Béhmen 13: f. 12; Beitr. Krypt. Schweiz 2?: f. 44; Sitz.-ber. 
Boehm. Ges. Wiss. 190246: f. 19-24. . , Beta oe es eee eet ne 
Exsiccati: Ellis & Ev. N. Am. Fungi 2883; D. Griff. W. Am. Fungi 361. 
-9. Teleutospora amoena (Sydow) Arthur & Bisby. 
Uromyces amoenus Sydow, Ann. Myc. 4:28. 1906. 
O. Pycnia unknown. 
III. Telia hypophyllous, densely grouped and often confluent on circular, purplish spots 
2-8 mm. across, the margin of the spots yellow, roundish, small, 0.2-0.7 mm. across, early 
naked, compact, ptulvinate, dark chestnut-brown, covered by the tomentose pubescence of 
the host, ruptured epidermis inconspicuous; teliospores globoid, obovoid, or ellipsoid, 16-23 
by 22-30, usually rounded above and narrowed below; wall dark golden- or cinnamon- 
brown, moderately thick, 1.5-2.5 yw, thicker at apex, 4-7 u, smooth; pedicel pale-yellowish, 
up to the length of spore. 
On CaRDUACEAE: 
Anaphalis margaritacea occidentalis Greene, Oregon. 
Anaphalis subalpine (A. Gray) Rydb. (A. margaritacea subalpina A. Gray), Idaho, Oregon, 
Washington, Wyoming; British Columbia. 
Typr LocaLity: Washington, on Gnaphalium (Anaphalis) margaritacea. 
DISTRIBUTION: Wyoming to British Columbia and Oregon. 
Exsiccatt: Barth. N. Am. Ured. 1385, 1584; Ellis & Ev. Fungi Columb. 1795. 
10. Teleutospora Rudbeckiae (Arth. & Holway) Arth. & Bisby; 
Arth. Bull. Torrey Club 48:.39. 1921. 
Uromyces Rudbeckiae Arth. & Holway; Arth. Bull, Iowa Agr. Coll. 1884: 154. 1885. 
Cacomurus Rudbeckiae Kuntze, Rev. Gen. 33: 450. 1898. 
Telospora Rudbeckiae Arth. Résult. Sci. Congr. Bot. Vienne 346. 1906. 
O. Pycnia unknown. 
Ill. Telia hypophyllous, occasionally also epiphyllous, densely gregarious upon brownish 
spots, paler below, 1-10 mm. across, rather circinate, small, 0.2-0.8 mm. in diameter, early 
naked, compact, pulvinate, cinnamon-brown, soon cinereous from germination, surrounding 
epidermis not noticeable; teliospores ellipsoid, obovoid, or pyriform, 11-17 by 19-30 u, rounded, 
acute or obtuse above, narrowed below; wall yellowish or very pale chestnut-brown, thin, 
1p, thicker at apex, 5~7 », smooth; pedicel hyaline, twice as long as spore or less. 
On CARDUACEAE: 
Rudbeckia laciniata L,., Colorado, Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, 
Montana, Nebraska, New Mexico, North Dakota, Pennsylvania, Wisconsin, Wyo- 
ming; Ontario. 
Rudbeckia sp., Texas. : 
TyPE LOCALITY: Decorah, Iowa, on Rudbeckia laciniata. 
DistRIBUTION: Ontario and Pennsylvania to Montana and southeastern Texas. 
ILLUSTRATION: Bull. Lab. Nat. Hist. Univ. Iowa 3?: pl. 1, f. 1. 
Exsrccatr: Arth. & Holway, Ured. Exs. Ic. 1; Barth. Fungi Columb. 4394; Barth. N. Am. 
Ured. 299, 1099, 1397; Brenckle, Fungi Dak. 274; Ellis & Ev. Fungi Columb. 2097; Ellis, N. 
Am. Fungi 1439; Rab.-Wint. Fungi Eur. 3412; Sydow, Ured. 1305, 1962. 
