Part 3, 1912] ABCIDIACEAB 253 



0.4-1 mm. in diameter, rather early naked, somewhat pulverulent, slightly pulvinate, 



chocolate-brown, ruptured epidermis not noticeable; teliospores broadly ellipsoid or 



obovoid, 15-19 by 19-26 /x ; wall cinnamon-brown, 1.5-2 ju thick, slightly thicker at the 



apex, densely and rather coarsely verrucose ; pedicel short, hyaline, deciduous. 



On Fabaceae : 



LupinusDouglasiil. Ag., California. 



Lupinus holosericeus Nutt., Montana. 



Lupinus Kingii S. Wats. (Z,. SiLeH S. Wats.), Colorado. 



Luptnus latifoliusl. Ag., California. 



Lupinus leptophyllus Benth., California. 



Lupinus Lyallii A. Gray, Washington. 



Lupinus parvijiorus l^iutt. , Colorado, Utah. 

 Lupinus pule herrimus^y^.^ Utah. 

 Lupinus sp., Mexico (state). 

 Type locality : Sissons, California, on Lupinus latifolius. 



Distribution : Central Rocky Mountain region from Montana and Washington southward to 

 central Mexico. 



ExsicCATi: Sydow, Ured. 1763; Garrett, Fungi Utah. 119, 199; Earth. N. Am. Ured. 96; 

 Elhs, N. Am. Fungi U38. 



57. Nigredo substriata (Sydow) Arthur. 



Uromyces substriatus Sydow, Ann. Myc. 4 : 30. 1906. 

 O and I, Pycnia and aecia not seen. 



II. Uredinia chiefly hypophyllous, scattered, small, rather early naked, pale cinnamon- 

 brown, somewhat pulverulent, ruptured epidermis noticeable ; urediniospores broadly 

 ellipsoid, 19-23 by 21-29 ju; wall golden-brown, 1.5-2 ju thick, rather sparsely echinulate, 

 the pores 6-8, scattered. 



III. Telia chiefly hypophyllous, scattered, sometimes confluent, roundish, 0.5-1 mm. 

 in diameter, early naked, pulverulent, somewhat pulvinate, dark chestnut-brown, ruptured 

 epidermis noticeable ; teliospores broadly ellipsoid or obovoid, 16-21 by 18-24 m ; wall light 

 cinnamon-brown, rather thin, about 1.5 ju, slightly thicker at apex, moderately verrucose 

 with elongate papillae arranged in longitudinal rows ; pedicel short, hyaline, deciduous. 



On Fabaceae : 



Lupinus argenieus Pursh, Colorado, Montana. 



Lupinus laxijiorus Dougl., Wyoming. 



Lupinus monticola Rydb., Wyoming. 



Lupinus sericeus Pursh, Montana. 

 Type locality: Livingston, Montana, on Lupinus argenieus. 

 Distribution : Central Rocky mountain region from Montana to Colorado. 

 ExsiCCAti : Ellis & Ev. N. Am. Fungi 2226 ; Clements, Crypt. Form. Colo. 539 ; D. Griff. W. 

 Am. Fungi ^79. 



58. Nigredo punctata (Schroet.) Arthur. 



Uredo Leguminosarum d Astragali a, 0, y Opiz, Seznam 151, hyponym. 1852. 



Uredo acuminata Kirchner, Lotos 6 : 179. 1856- Not Nigredo acuminata Arth. 1906. 



Uromyces punctaius Schrot. Abh. Schles. Ges. 48 : 10. 1870- 



Uromyces Astragali Sacc. Mycol. Ven. Specim. 208, hyponym. 1873. 



Uromyces Oxytropidis J. Kunze ; Rab. Fungi Eur. 1793, hyponym. 1874. 



Trichobasis Oxylropi Peck. Bot. Gaz. 4 : 218. 1879. 



Uredo Oxytropidis De-Toni, in Sacc. Syll. Fung. 7 : 855. 1888. 



Uromyces Euphorhiae-Astragali Jordi, Centr. Bakt. II. Abth. 11 : 790. 1904. 



0. Pj^cnia chiefly hypophyllous, scattered, from a diffused mycelium, conspicuous, 

 honey-yellow becoming brownish, globoid, 145-160 ju in diameter; ostiolar filaments rather 



long. 



1. Aecia chiefly hypophyllous, from a diffused mycelium, rather evenly and extensively 

 scattered, cupulate, 0.3-0.4 mm. in diameter; peridium colorless, the margin slightly 

 recurved and somewhat lacerate; peridial cells rhomboidal, 10-15 /i thick, 18-25 m long, 

 overlapping, the outer wall rather thick, 6-9 m, transversely striate, the inner wall thinner, 

 about 3iu, finely verrucose; aeciospores angular-globoid, 15-21 m in diameter; wall color- 

 less, thin, 1-1.5 ju, densely and finely verrucose. , 



On Euphorbiaceae : . « . ^ r j ■ * • 



Euphorbia Cyparissias X,. and E. virgata Waldst. & Kit. , Europe ; not yet found m America. 



II. Uredinia amphigenous, scattered, roundish, 0.3-0.8 mm. in diameter, soon naked, 

 pulverulent, cinnamon-brown, ruptured epidermis not conspicuous ; urediniospores broadly 



