Part 6, 1921] AECIDIACEAE 467 
I. Aecia amphigenous, often scattered over considerable portions of the leaves, short- 
cylindric, about 0.2 mm. high; peridium colorless, erect, lacerate; peridial cells squarish in 
longitudinal section, 18-29 by 26-35 », the outer wall 6-10 uw thick, inconspicuously striate, 
the inner wail 3-6», rather coarsely verrucose; aeciospores globoid, 16-23 by 23-27 u; wall 
colorless, about 2 4% thick, inconspicuously verrucose, tubercles appearing deciduous. 
III. Telia amphigenous, scattered, oval or linear, 0.5-3 mm. long, tardily naked, choco- 
late- or blackish-brown, opening by a longitudinal slit; teliospores broadly ellipsoid, 35-51 
by 43-61 4, slightly or not constricted at septum, rounded at both ends, dark chocolate- 
brown, uniformly thick, 5-7 », smooth; pedicel colorless, usually deciduous, often laterally 
attached, rarely twice length of spore. 
ON ALLIACEAE: 
Hookera multiflora (Benth.) Britten (Brodicea multiflora Benth.), California. 
Hookera pulchella Salisb. (Brodiaea congesta Smith, Dichelostemma congestum Kunth), 
Oregon, Washington. 
TYPE LOCALITY: Bingen, West Klickitat County, Washington, on Dichelostemma congestum. 
DIsTRIBUTION: Southern Washington to northern California. 
ILLustrarion: Holway, N. Am. Ured. 1: pl. 8, f. 33. 
Exsiccati: Barth. N. Am. Ured. 139, 1541. 
6. Allodus claytoniata (Schw.) Arth. Résult. Sci. 
Congr. Bot. Vienne 345. 1906. 
Caeoma (Aecidium) claytoniatum Schw. Trans. Am. Phil. Soc. II. 4: 294. 1832. 
Aecidium (Caeonia) claytoniatum Schw. Trans. Am. Phil. Soc. II. 4. 309. 1832. 
Puccinia Mariae-Wilsoni G. W. Clinton; Peck, Bull. Buffalo Soc. Nat. Sci. 1:66. 1873. 
Dicaeoma claytoniatum Kuntze, Rev. Gen. 33: 466. 1898. 
Puccinia claytoniata Peck, Bull. N. Y. State Mus. 6: 226. 1899. 
O. Pycnia amphigenous, in groups often over large areas, inconspicuous, honey-yellow, 
depressed-globoid or globoid, 128-160 uw in diameter, 110-140 » high; ostiolar filaments up to 
50 » long. 
I. Aecia amphigenous, regularly scattered, often over large areas, frequently covering 
entire leaf or petiole, short, cupulate, 0.6—0.8 mm. in diameter; peridium colorless, the margin 
erose; peridial cells squarish or rhomboidal, 18-26 by 23-29 y, the outer wall 5-6 » thick, trans- 
versely striate, the inner wall 3-3.5 « thick, moderately verrucose-striate; aeciospores globoid, 
13-21 by 18-23 u; wall pale-yellow or colorless, 1—1.5 w thick, very minutely verrucose. 
III. Telia chie: y hypophyllous, scattered, sometimes co. fluent, small, roundish, 0.1-1 
mm. in diameter, tardily naked, cinnamon-brown, pulvinate, pulverulent, ruptured epidermis 
rather conspicuous; teliospores elliptic or terete, sometimes angular, 18-27 by 30—48 x, slightly 
constricted at septum, often narrowed at both ends; wall light cinnamon-brown, 1.5—2 thick, 
with a hyaline papilla over apex, up to 7 » thick, evenly and finely verrucose; pedicel colorless, 
fragile, short. 
On PORTULACACEAE: . 
Clayionia caroliniana Michx., New Hampshire, New York, Vermont; Ontario. 
Claytonia virginica L., Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, 
Maryland, Michigan, Missouri, New Jersey, New York, Ohio, Pennsylvania, Ver- 
mont, Virginia, West Virginia, Wisconsin; Ontario, Quebec. 
Limnia asarifolia (Bong.) Rydb. (Claytonia asarifolia Bong., Montia asarifolia Howell), 
Washington. 
Limnia sibirica (L.) Haw. (Claytonia sibivica L., Montia sibirica Howell), Utab. 
Type Locality: New York, on Claytonia virginica. : 
DISTRIBUTION: New England to Delaware, and westward to the Pacific coast. 
ILLUSTRATIONS: Holway, N. Am. Ured. 1: pl. 14, f. 59. : ; 
Exsiccati: Barth. N. Am. Ured. 29, 133, 424, 425, 538, 833, 1804; Ellis, N, Am. Fungi 1017, 
1027; Ellis & Ev. Fungi Columb. 180, 875; Garrett, Fungi Utah. 67; Kellerm. Ohio Fungi 12, 72; 
Rab.-Wint. Fungi Eur. 2909; Roum. Fungi Gall. 3414; Seym. & Earle, Econ. Fungi Suppl. B27; 
Shear, N. Y. Fungi 73, 131; Sydow, Ured. 323, 1315, 1316. 
7. Allodus gigantispora (Bubak) Arth. Résult. Sci. 
Congr. Bot. Vienne 345. 1906. 
Puccinia gigantispora Bub4k, Sitz.-ber. Bohm. Ges. Wiss. 19012: 9. 1901. 
O. Pycnia amphigenous, in small groups on yellow spots 0.5—-1 mm. across, surrounded by 
or opposite the aecia, erumpent, globoid, 60-120 » in diameter by 55-100 u high, honey-yellow; 
ostiolar filaments prominent, up to 60 » long. 
