508 NORTH AMERICAN FLORA [VoLUME 7 
III. Telia unknown. 
On CARDUACEAE: 
Gaillardia aristata Pursh, California. 
TYPE LOCALITY: Sisson, California, on Gaillardia aristata. 
Distrisurtion: Known only from the type locality. 
Exsiccatr: Barth. N. Am. Ured. 1384. 
56. Bullaria (?) Chrysanthemi (Roze) Arth. Résult. Sci. Congr. 
Bot. Vienne 346. 1906. 
Puccinia Chrysanthemi Roze, Bull. Soc. Myc. Fr. 17:92. 1900. 
Puccinia Chrysanthemi- chinensis P. Henn. Hedwigia Beibl. 40:26. 1901. 
Dicaeoma Chrysanthemi Arth. Proc. Ind. Acad. Sci. 1903: 147. 1904. 
O. Pycnia unknown. 
II. Uredinia hypophyllous, scattered, round, often confluent, early naked, large, 0.5-1 
mim. in diameter, pulverulent, chestnut-brown, ruptured epidermis usually noticeable; ure- 
diniospores globoid or broadly ellipsoid, 20-25 by 25-34 u, sometimes two-celled; wall cinna- 
mon- or chestnut-brown, 1.5-2 uw thick, closely and moderately echinulate, the pores 3, ap- 
proximately equatorial. 
III. Telia hypophyllous, scattered, roundish, 0.3—0.8 mm. across, early naked, pulvinate, 
dark chocolate-brown, ruptured epidermis noticeable; teliospores elliptic or obovate-ellipsoid, 
18-28 by 34-57 », rounded or obtuse at both ends, slightly or not constricted at septum; 
wall chestnut-brown, 1-2 4 thick, thicker above, 5-10 y, finely and moderately verrucose; 
pedicel colorless, once to twice length of spore. 
On CARDUACEAE: 
Chrysanthemum morifolium Ramat. (C. sinense Sabine), Alabama, California, Delaware, 
Indiana, Maryland, Massachusetts, Michigan, Montana, New Jersey, Oregon, Penn- 
sylvania, Tennessee, West Virginia; Ontario. 
TYPE LOCALITY: France, on “Chrysanthemum indicum,” probably identical with C. morifolium. 
DISTRIBUTION: In greenhouses in the uredinial form only, quite largely throughout the tem- 
perate part of North America; similarly in Europe, Australia, New Zealand, and Japan, telia occur- 
ring only in the last named country. 
ILLUSTRATIONS: GrovesBrit. Rust Fungi f. 83, 84; Centr. Bakt. IT. Abth. 10: 373-376, f. 1-7; 
aoe apes Austr. pl. E. f. 21, pl. 29, f. 251-255; Rostr. Plantep. Haandb. f. 94; Fi. Ital. 
rypt. Ure 
a Exsiccatt: Barth. N. Am. Ured. 1431, 1639; Ellis & Ev. Fungi Columb. 1956, 2052; Rel. Farl. 
57. Bullaria Absinthii (Hedw. f.) Arthur & Mains. 
Uredo (Puccinia) Absinthii Hedw.f.; Poir, in Lam. Encyc. 8: 245. 1808. 
Puccinia Absinthii DC. Fl. Fr. 6: 56. 1815. 
Puccinia Artemisiarum Schmidt & Kuntze, Deuts. so ae 4:5. 1816, 
Caeoma Artemisiae Link, in Willd. Sp. Pl. 62:19. 1825 
Puccinia discoidearum Artemisiarum Wallr. Fl. Crypt. Germ. 2: 222. 1833. 
Uredo Artemisiae Rab. Deutschl. Krypt.-Fl. 1:12. 1844. 
Caeoma Absinthii Corda, Ic. Fung. 6:1. 1854. 
Trichobasis Artemisiae Berk.; Cooke, Micr. Fungi 209. 1865. 
Puccinia Artemisiae Fuckel, Jahrb. Nass. Ver. Nat. 23-24: 55. 1870. 
Puccinia similis Ellis & Ev. Bull. Torrey Club 25: 508, 1898. 
Puccinia artemisiella Sydow, Monog. Ured. 1:14. 1902. 
O. Pyenia not seen. 
II. Uredinia chiefly hypophyllous, scattered, round, 0.3-0.5 mm. across, early naked, 
pulverulent, dark cinnamon-brown, ruptured epidermis noticeable; wrediniospores obovate 
or ellipsoid, 20-26 by 24-34 4; wall golden-brown, 1.5-2.5 4, minutely and moderately echinu- 
late, the pores 3, equatorial. 
III. Telia chiefly hypophyllous, scattered, round or oblong, 0.5-1 mm. across, early 
naked, pulverulent, dark chocolate-brown or blackish, ruptured epidermis usually incon- 
spicuous; teliospores ellipsoid or oblong, 20-28 by 40-60 », obtuse or rounded above, usually 
somewhat narrowed below, scarcely constricted at septum; wall chestnut-brown, minutely 
rugose, especially above, or smooth, moderately thick, 1.5-2.5 u, thickened above, 6-12 y, 
concolorous; pedicel nearly colorless, thick, 6-10 », once to once and a half length of spore. 
On CARDUACEAE: 
Artemisia arbuscula Nutt., Wyoming. 
Artemisia aromatica A. Nelson, Colorado, Idaho, Montana, Utah, Wyoming. 
