598 NORTH AMERICAN FLORA [VoLuME 7 
epidermis conspicuous; teliospores obovate, oblong, or clavate, irregular, large, 22-30 by 
42-60 n, obtuse or obliquely truncate above, rounded or-somewhat narrowed below, slightly 
or not constricted at septum; wall smooth, dark cinnamon-brown, lighter below, rather thin, 
1~2.5 u, much thickened above, 7-12 »; pedicel tinted, firm, 7-12 » broad, equaling spore in 
length or usually shorter. 
ON CarRDUACEAE: 
Axiniphyllum tomeniosum Benth., Oaxaca. 
EH LOCALITY: Oaxaca, Mexico, on ‘Axiniphyllum tomentosum. 
DISTRIBUTION: Southern Mexico, in vicinity of the type locality. 
Exsiccati: Barth. N. Am. Ured. 1529, 
24. Puccinia nuda Ellis & Ev. Jour. Myc. 3: 57. 1887. 
Puccinia Hemizoniae Ellis & Tracy, Jour. Myc. 7: 43. 1891. 
Puccinia Lagophyliae Dietel & Holway; Dietel, Erythea 1: 250. 1893. 
Dicaeoma Hemizoniae Kuntze, Rev. Gen. 33: 469. 1898. 
Dicaeoma nudum Kuntze, Rev. Gen. 33: 469, 1898. 
Puccinia Madiae Sydow, Monog. Ured. 1: 121. 1902. 
II. Uredinia amphigenous, scattered, round or oval, 0.5-1 mm. across, early naked, 
pulverulent, cinnamon-brown, ruptured epidermis slightly noticeable; urediniospores globoid 
or ellipsoid, 22—26 by 26-32 »; wall dark or light cinnamon-brown, thick, 2.5-3 y, very finely 
and closely echinulate, often appearing smooth when wet, the pores 2, opposite and equatorial. 
III. Telia amphigenous, scattered, round, 1 mm. or less in diameter, early naked, pulvi- 
nate, compact, blackish-brown, ruptured epidermis noticeable; teliospores obovate-oblong or 
oblong, 20-26 by 32-48 p, obtuse or rounded above, rounded or somewhat narrowed below, 
usually slightly constricted at septum; wall chestnut-brown, usually paler below and slightly 
so at apex, moderately thick, 2-2.5 4, much thickened above, 6-10 u, smooth; pedicel color- 
less, about length of spore. 
On CARDUACEAE: 
Calycadenia truncata DC. (Hemizonia truncata A. Gray), Oregon. 
Hemizonia citrina Greene, California. 
Hemizonia Clevelandii Greene, California. 
Hemizonia luzulaefolia DC., California. 
Lagophylia congesta Greene, California. 
Lagophylla ramosissima Nutt., Oregon, Washington. 
Madaria elegans (D. Don) DC. (Madia elegans D. Don), Oregon.. 
Madia sativa Molina, Washington. 
TyPE Locality: Falcon Valley, Washington, on “Arnica foliosa,” error for Madia(?) sp. 
DISTRIBUTION: Washington to central California; also in South 
America. 
Exsiccatr: Barth. N. Am. Ured. 147, 453, 848, "1060; Ellis & Ev. Fungi Columb. 549, 1762; 
Ellis & Ev. N. Am. Fungi 3142; Sydow, Ured. 1718. 
25. Puccinia Parthenices H. S. Jackson, Mycologia 14: 108. 
1922. 
II. Uredinia not seen; urediniospores in the telia obovate or ellipsoid, 16-23 by 24-26 p, 
slightly flattened laterally; wall light cinnamon-brown, 1.5-2.5 » thick, very finely and closely 
echinulate, appearing smooth when wet, the pores 2, equatorial. 
III. Telia hypophyllous, rarely epiphyllous, round, 0.4-0.8 mm. across, early naked, 
compact, pulvinate, blackish-brown, ruptured epidermis not conspicuous; teliospores obovate, 
oblong, or ellipsoid, 20-26 by 32-45 y», rounded or obtuse above, rounded below, slightly con- 
stricted at septum; wall light chestnut-brown, 1.5-2.5 u thick, thickened 7-9 » at apex bya 
broad semi-hyaline umbo, similarly thickened over pore of lower cell at septum, smooth; 
pedicel colorless, firm, once to thrice length of spore. 
On CaRDUACEAE: 
Parthenice mollis A. Gray, Arizona. 
TvpH LOCALITY: Fort Lowell, Arizona, on Parthenice mollis. 
Disrrisution: Southern Arizona. 
26. Puccinia Guardiolae Dietel & Holway; Holway, Bot. Gaz. 
31: 334. 1901. 
II. Uredinia hypophyllous, scattered or gregarious, round, small, 0.2-0.5 mm. in diameter, 
