396 NORTH AMERICAN FLORA [VoLumE 7 
InLustRations: Holway, N. Am. Ured. 1: pl. 33, f. 1134, b; pl. 34, f. 113c-e, 114, 115a, by pl 
35, f. 115¢-h; pl. 36, f. 116, 117; Beitr. Krypt. Schweiz 22: f. 118; Krypt.-fl. Brand. Pilze 3: 7. B18; 
Corda, Ic. Fungi. 1: pl. 2, f. 95; 4: pl, 4, f. 51, 
Exsiccat1: Barth. Fungi Columb. 2469, 2558, 2771, 3750, 3752, 4767, 4859; Barth. N. Am. Ured. 
159, 295, 341, 356, 438, 439, 856, 953, 1148, 1252, 1262, 1350, 1339, 1440, 1589, 1958, 2052, 2144; 
Clements, Crypt. Form. Colo. 361; Ellis, N. Am. Fungi 1060, 1426; Ellis & Ev. Fungi Columb. 553, 
554, 1074, 1289, 1300, 1851; Ellis & Ev. N. Am. Fungi 1846, 2986, 2995, 3139, 3140, 3477, 3580; 
Garrett, Fungi Utah. 49, 50, 86, 92, 110, 145, 162, 173; D. Griff. W. Am. Fungi 381, 383, 383a, 
385; Sydow, Ured. 864, 865, 866, 874, 875, 881, 1063, 1064, 1768, 1918, 1919. 
186. Dicaeoma Proserpinacae (Berk. & Curt.) Kuntze, 
Rev. Gen. 33: 470. 1898. 
Aecidium Proserpinacae Berk. & Curt.; Berk. Grevillea 3:60. 1874. 
Puccinia Epilobit Proserpinacae Farl.; Ellis, N. Am. Fungi 260; hyponym. 1879. 
Puccinia Proserpinacae Farl. Proc. Am. Acad. 18: 80. 1883. 
O. Pycnia amphigenous, scattered, becoming brown, globoid, 140-180 » in diameter by 
120-165 » high; ostiolar filaments short, 15-25 p. 
I. Aecia chiefly hypophyllous, scattered over the leaf without spots, cupulate, small, 
0.1-0.2 mm. in diameter; peridium whitish, the margin recurved, lacerate; peridial cells rhom- 
boidal, 16-26 by 29-39 uw, overlapping, the outer wall 5-9 4, transversely striate, the inner 
wall 3-6 u, verrucose; aeciospores globoid or ellipsoid, 15-19 by 18-23 4; wall colorless, 1-1.5 pz 
thick, faintly verrucose. 
II. Uredinia hypophyllous, few, scattered, or sometimes in groups and confluent, on small 
spots 1-2 mm. in diameter, roundish, small, brownish; urediniospores ellipsoid or globoid, 
18-24 by 21-29»; wall golden- or cinnamon-brown, 1-2 » thick, moderately echinulate, the 
pores 2, equatorial or superequatorial. 
III. Telia amphigenous, scattered, roundish, small, 0.2-0.5 mm. in diameter, early naked, 
compact, pulvinate, cinnamon-brown, ruptured epidermis not noticeable; teliospores ellip- 
soid, cylindric or clavate, 13-20 by 35-58 yu, usually rounded above, narrowed below, slightly or 
considerably constricted at septum; wall golden- or cinnamon-brown, thin, 1-1.5 yu, 5-8 wat 
apex, lighter, smooth; pedicel hyaline, length of spore or less. 
On HALORAGIDACEAE: 
Proserpinaca palustris I,., Illinois, Massachusetts, New York, Wisconsin. 
Proserpinaca pectinata Lam., Massachusetts. : 
Proserpinaca sp., Alabama. 
TYPE LOCALITY: Alabama, on Proserpinaca sp. 
DIsTRIBUTION: Massachusetts to Wisconsin, and southward to Alabama. 
ILLUSTRATIONS: Holway, N. Am. Ured. 1: pl. 36, f. 120. 
Exsiccati: Barth. N. Am. Ured. 1002; Ellis, N. Am. Fungi 260; Ellis & Ev. Fungi Columb. 
1579, 
187. Dicaeoma Pimpinellae (Strauss) Kuntze, Rev. 
.Gen. 33: 470. 1898. 
Uvedo Pimpinellae Strauss, Ann. Wett. Ges. 2: 102. 1810. 
Puccinia Pimpinellae H. Mart. Fl. Mosq. ed. 2. 226. 1817. 
Caeoma Umbelliferarum Schlecht. Fl. Berol. 2: 115. 1824. 
Puccinia Pimpinellae Link, in Willd. Sp. Pl. 62: 77, 1825. 
Caeoma (Uredo) Anemonis Schw. Trarts. Am. Phil. Soc. II. 4: 291. 1832. 
Caeome (Uredo) Chelidonii Schw. Trans. Am. Phil. Soc. II. 4: 291. 1832. 
Puccinia Myrrhis Schw. Trans. Am. Phil. Soc. II. 4: 296. 1832. 
Aecidium Pimpinellae L. Kirchn. Lotos 6: 180. 1856. 
‘Aecidium Osmorrhizae Peck, Ann. Rep. N. Y. State Mus. 24:92. 1872. 
Puccinia Osmorrhizae Cooke & Peck; Peck, Ann. Rep. N. ¥. State Mus. 29:73. 1878. 
Uredo (Caeoma) Chelidonii Schw.; De-Toni, in Sacc. Syll. Fung. 7: 863. 1888. 
Puccinia Trifoliatae Ellis & Ev. Bull. Torrey Club 22:58. 1895. 
Dicaeoma Trifoliatae Kuntze, Rev. Gen. 32: 471. 1898. 
O. Pycnia amphigenous, few, scattered, rather inconspicuous, honey-yellow becoming 
dark-brown, globoid or flask-shaped, 90~128 « wide by 80-144 u high; ostiolar filaments up to 
80 » long, usually agglutinated into a column. 
I. Aecia hypophyllous or petiolicolous, more or less confluent in irregular elongate or 
circular groups, low, flattened-hemispheric, 0.2-0.5 mm. in diameter, opening at first by a 
small pore, later becoming wide open; peridium at first yellow, turning darker, the margin 
recurved, irregular; peridial cells oblong, 19-26 by 27-39 u, abutted or slightly overlapping, 
the walls of about equal thickness, 3-5 4, verrucose, the inner wall more coarsely marked than 
