574 NORTH AMERICAN FLORA [VoLUME 7 
ON CaRDUACEAE: 
Eupatorium pansamalense B. 1,. Robinson, Guatemala. 
Eupatorium urticaefolium Reichard (E. ageratoides L. £.), New York. 
~ LOCALITY: Central Andes, Soledad, Tolima, Colombia, on Eupatorium sp. 
Disrripution: Guatemala and one locality in central New Vork; also in South America. 
ILLustRATION: Mém. Soc. Neuch. Sci. Nat. 5: f. 40. 
125. Micropuccinia praemorsa (Dietel & Holway) Arth. & 
Jackson; Arth. Bull. Torrey Club 48: 41. 1921. 
Puccinia praemorsa Dietel & Holway; Holway, Bot. Gaz. 31: 332. 1901. 
Dasyspora praemorsa Arth. Résult. Sci. Congr. Bot. Vienne 347. 1906. 
Lepiopuccinia praemorsa Sydow, Ann. Myc. 20: 121. 1922. 
QO. Pycnia unknown, probably not formed. 
IIT. Telia hypophyllous, crowded and partly confluent in more or less circular groups 
1-4 mm. across, small, 0.2-0.4 mm. across, early naked, compact, pulvinate, chocolate-brown, 
ruptured epidermis not conspicuous; teliospores oblong or clavate, somewhat irregular, 18-24 
by 45-64 », rounded or acute above, narrowed below, somewhat constricted at septum; wall 
chestnut-brown above, cinnamon-brown below, 2.5-3.5 4 thick, slightly thickened above, 
4-7 u, smooth; pedicel concolorous with base of spore, firm, one fourth to one half length 
of spore. 
On CARDUACEAE: 
a RR veronicaefolia (H.B.K.) Kuntze (Brickellia veronicaefolia A. Gray), Oaxaca, 
TYPE LOCALITY: Oaxaca, Mexico, on Brickellia veronicaefolia. 
DistRIBUTION: Southern Mexico. 
ILLUSTRATION: Sydow, Monog. Ured. 1: gl. 3, f. 32. 
126. Micropuccinia Spegazzinii (De-Toni) Arth. & Jackson; 
Arth. Bull. Torrey Club 48: 41. 1921. 
Puccinia australis Speg. Anal. Soc. Ci. Argent. 10: 8. 1880. Not P. australis Korn. 1876. 
Puccinia Spegazzinii De-Toni, in Sacc. Syll. Fung. 7: 704. 1888. 
Dicaeoma Spegazzinit Kuntze, Rev. Gen. 33: 470. 1898. 
Dasyspora australis Arth. Résult. Sci. Congr. Bot. Vienne 346. 1906. 
Puccinia Melothriae Stevens, Bot. Gaz. 43: 283. 1907. 
O. Pycnia unknown, probably not formed. 
III. Telia hypophyllous, crowded in orbicular groups 1-5 mm. across, rarely confluent, 
round, small, 0.25 mm. or less in diameter, compact, soon naked, cinnamon-brown, ruptured 
epidermis inconspicuous; teliospores linear-oblong or clavate, 14-18 by 38-60 4, obtuse or 
rounded above, narrowed below, slightly or not constricted at septum; wall pale-yellowish, 
thin, 1 », slightly thickened at apex, 2-3 yu, smooth; pedicel colorless, 8-10 » thick, as long 
as spore or shorter, often somewhat expanded immediately below attachment to spore. 
ON CARDUACEAE: 
Mikania cordifolia (1. {.) Willd. (Willugbaeya cordifolia Kuntze), Florida; Guatemala. 
Mikania scandens (1,.) Willd. (Willugbaeya scandens Kuntze), Alabama, Florida, Mississippi, 
North Carolina, Texas; Costa Rica; Cuba; Panama; Porto Rico; Martinique. 
TYPE LOCALITY: Boca del Riachuelo, Argentina, on Mikania scandens periplocifolia. 
DistrisuTion: North Carolina to Texas southward through the West Indies and Central 
America; also in South America. 
Exsicceatr: Seym. & Earle, Econ. Fungi Suppl. B18. 
127. Micropuccinia Virgaureae (DC.) Arth. & Jackson; Arth. 
Bull. Torrey Club 48: 42. 1921. 
Xyloma Virgaureae DC. Syn. Pl. 63. 1806. 
Xyloma Solidaginis Fries, Obs. Myce. 1: 199. 1815. 
Dothidea Solidaginis Virgaureae Fries, Syst. Myc. 2: 562. 1822. 
Asteroma Virgaureae Libert, Pl. Crypt. 393. 1837. 
Puccinia minutula Peck, Ann. Rep. N. Y. State Mus. 24: 91. 1872. 
Dicaeoma Virgaureae Kuntze, Rev. Gen. 33: 471. 1898. 
Dasyspora Virgaureae Arth. Résult Sci. Congr. Bot. Vienne 347. 1906. 
O. Pycnia unknown, probably not formed. 
Ill. Telia hypophyllous, closely gregarious but not confluent, in irregular or orbicular 
groups 3-8 mm. across, on discolored spots, small, 0.2-0.3 mm. in diameter, punctiform, often 
