UREDINACEAE 407 



Uromyces fabae, De Bary, Ann. Sci. Nat., ser. iv. vol. xx. 

 1863. Spermogonia yellowish, in little groups on leaves 

 and stem ; aecidia scattered in rings or orbicular patches, 

 margin white, torn ; aecidiospores orange, verruculose, 

 16-26 p diam. ; uredospores forming powdery, pale brown 

 sori, globose or irregularly elliptical, etc., ochraceous, 

 aculeate, 17-35 X 17-25 /x; teleutospores forming blackish- 

 brown sori, often numerous and confluent, ovoid or clavate- 

 ellipsoid, smooth, brown, apex darker and thickened, 

 apiculate, 24-47 x I 7~3/ z ^ pedicel hyaline, long. 



Uromyces betae, Kiihn, Bot. Ztg., 1869, p. 540. 

 Spermogonia yellowish, in small groups ; aecidia crowded 

 on yellowish, often large patches, white, margin torn ; 

 aecidiospores angularly globose or elliptical, orange, smooth, 

 22-26x16-22 /*; uredospores forming small sori, often 

 orbicularly arranged, yellowish-brown aculeolate, or almost 

 smooth, 23-32X17-24 /A; sori of teleutospores blackish- 

 brown, scattered, or in groups ; ovate or ellipsoid, smooth, 

 brown, with an apical hyaline wart, 26-35 X 19-25 /* ; pedicel 

 slender. 



Hemileia, Berk, and Broome. Sori pustular, orange- 

 brown, hypophyllous ; spores ovate or piriform, oblique, 

 i-celled, one portion of the epispore smooth, the remainder 

 warted ; promycelium one or several ; secondary spores 

 spherical. 



Hemileia vastatrix, Berk, and Broome, Gard. Chron., 

 Nov. 6, 1869, figs. Pustules orange, then rufous: spores 

 subreniform, attached obliquely at the base, convex free 

 surface coarsely warted, the two lateral faces that are in 

 contact with others during growth, smooth, 35-39 X 10-14 /* 



Hemileia woodii, Kalchbr. and Cooke, Grev. t ix. p. 22 



