Parr 7, 1922] AECIDIACEAE 509 
Artemisia Bigelovii A. Gray, Utah. 
Artemisia Brittonii Rydb., Colorado. 
Artemisia californica Less., California. 
Artemisia camporum Rydb., Colorado... 
Artemisia cana Pursh, Colorado, Montana, New Mexico, North Dakota, Oregon, South 
Dakota, Utah, Wyoming. 
Artemisia cana viscidula Osterhout, Colorado. 
Artemisia coloradensis Osterhout, Colorado. 
Artemisia diversifolia Rydb., Colorado. 
Artemisia Douglasiana Bess., California, Oregon. 
Artemisia dracunculoides Pursh, Arizona, California, Colorado, Iowa, Montana, Nebraska, 
Nevada, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, 
Wisconsin. 
Artemisia elatior (T. & G.) Rydb., California. 
Artemisia frigida Willd., Oregon; Alberta. 
Artemisia gnaphalodes Nutt., Colorado, Iowa, Kansas, Missouri, Montana, Nebraska, 
klahoma, Oregon. 
Artemisia heterophylla Nutt., California. 
Artemisia kansana Britton, Texas. 
Artemisia longifolia Nutt., South Dakota. 
Artemisia ludoviciana Nutt., Arizona, California, Colorado, Kansas, Montana, Nebraska, 
North Dakota, Oregon, South Dakota, Washington, Wisconsin; British Columbia. 
Artemisia mexicana Willd., Texas; Chihuahua, Mexico (state). 
Artemisia nova A. Nelson, New Mexico, Utah. 
Artemisia Parishii A. Gray, Nevada. 
Artemisia Purshiana Bess., Montana. 
Artemisia pycnocephala DC., California. 
Artemisia redolens A. Gray, New Mexico; Chihuahua. 
Artemisia rigida (Nutt.) A. Gray, California, Oregon, Washington. 
Artemisia serrata Nutt., Iowa. 
Artemisia silvicola Osterhout, New Mexico. 
Artemisia spinescens D. C. Eaton, Idaho. 
Artemisia Suksdorfii Piper, California. 
Artemisia tridentata Nutt., California, Colorado, Idaho, Montana, Nevada, New Mexico, 
Oregon, South Dakota, Utah, Washington, Wyoming. 
Artemisia tripartita Rydb., Idaho, Wyoming. 
Artemisia viscidula OsterHout, Colorado. 
Artemisia vulgaris L,., Costa Rica. 
Artemisia Wrightii A. Gray, Arizona, New Mexico. 
Sphaeromeria capitata Nutt., Wyoming. 
Sphaeromeria diversifolia (D. C. Eaton) Rydb., Utah. 
TYPE LocaLiTy: Vicinity of Mende, France, on Artemisia Absinthium. 
DIsTRIBUTION: North Dakota to Wisconsin and Texas, westward to the Pacific coast, and 
southward through Central America; also in Europe. 
ILLustrations: Corda, Ic. Fung. 4: pl. 4, f. 43; Grove, Brit. Rust Fungi f. 86; Beitr. Krypt. 
Schweiz 2?: f. 148; Fl. Ital. Crypt. Ured. f. 52a. 
Exsriccatt: Barth. Fungi Columb. 2346, 2445, 2753, 3737, 3738, 4252, 4253, 4346, 4450, 4561, 
4838, 4947, 5046, 5047, 5048; Barth. N. Am. Ured. 16, 221, 321, 322, 725,726, 921, 1020, 1021, 1022, 
1216, 1324, 1325, 1517, 1629, 1738, 1739, 1826, 1827, 1828, 2026, 2027, 2127, 2128, 2129, 2222, 2421; 
Brenckle, Fungi Dak. 418; Clements, Crypt. Form. Colo. 544; Ellis & Ev. Fungi Columb. 7540‘ 
1665, 1757, 1844, 2050, 2140; Ellis & Ev. N. Am. Fungi 1848 a, 6, 2250; Garrett, Fungi Utah. 79, 
80, 181; D. Griff. W. Am. Fungi 86, 86a, 248, 261, 354, 354b; Sydow, Ured. 836, 886, 1706, 1964. 
58. Bullaria Cirsii (Lasch) Arth. Résult. Sci. Congr. 
Bot. Vienne 346. 1906. 
Puccinia Cirsit Lasch; Rab. Fungi Eur. 89. 1859. 
Uredo Cirsii Lasch; Rab. Fungi Eur. 90. 1859. 
Puccinia californica Dietel, Bot. Gaz. 18:254. 1893. 
Puccir?~ Caschii Lagerh. Tromsé Mus. Aarsh. 17:63. 1895. 
Puccinia inclusa Sydow, Monog. Ured. 1:56. 1902. 
O. Pyenia chiefly epiphyllous, crowded in small groups, inconspicuous, punctiform, 
immersed, dark golden-brown, globoid, 100-135 » broad; ostiolar filaments 30-40 » long, 
free, becoming agglutinate. 
II. Uredinia amphigenous, chiefly hypophyllous, scattered or gregarious, or at first 
encircling the pycnia, round, usually small, 0.3-1 mm. across, early naked, pulverulent, light 
chestnut-brown, ruptured epidermis generally inconspicuous; urediniospores globoid or glo- 
bose, 22-28 by 24-32 »; wall golden-brown, moderately thick, 1.5-2.5 u, sparsely or mod- 
erately and minutely echinulate, the pores 3, rarely 4, equatorial. 
IiI. Telia amphigenous, chiefly hypophyllous, irregularly scattered or occasionally gre- 
garious, round, usually small, 0.3-1 mm. across, early naked, somewhat pulverulent, dark 
chestnut-brown, ruptured epidermis generally inconspicuous; teliospores broadly ellipsoid, 
