jl of Illinois. 167 



latter work, shows that his specimens were the teleutoform, 

 and priority requires the name Uromyces caladii (Schw.) as 

 used by Farlow (Ellis N. Am. Fungi No. 232 [1879]. 



U. pyriformis, Cke. 



III. Spots none; sori amphigenous, frequently arranged 

 in an ellipse, elongated, very dark; spores pyriform, obtuse, 

 epispore smooth, thickened at the apex, 15-20 by 25-28 |tt; ped- 

 icel half as long to as long as the spore, colored. 



Amphigenous, erumpent, sori linear, sometimes confluent, rather 

 pulverulent, purple-brown, epispore thickened above; pedicels rather 

 short, thick, persistent, colored in the upper portion. Cooke, XXIX. 

 Rep. N. Y. Mus. p. 69. 



On leaves of Acorus calamus: Lake, Aug. 27, 1839; Cook, 

 Sept. 5, 1434, Sept. 6, 1449, Sept. 7, 1459. 



Mr. Peck remarks after the above description, u The species 

 is very closely allied to U. sparyanii, but appears to differ in 

 habit." It is very doubtful whether it is distinct. 



U. spharganii, C. & P. 



III. Spots inconspicuous or none; sori amphigenous, 

 scattered or in elongated clusters, round or elongated, often 

 confluent, dark, pulverulent; spores pyriform or oblong, apex 

 rounded or truncate, epispore smooth, strongly thickened at the 

 apex, 15-20 by 24-32 /*; pedicels colored, half as long to as long 

 as the spore. 



Sori minute, oblong, crowded, black, spores pyriform or oblong-py- 

 riform, about .001 in. long; pedicel colored, shorter than or equal to the 

 length of the spore. Peck, XXVI. Rep. N. Y. Mus. p. 77. 



On both sides of leaves of Sparyaninm enri/cr/>t/m: Cook, 

 Sept. 6. 1450, Sept. 8, 1450. 



U. erytheronii, (DC.) 



I. Spots purplish, inconspicuous; aecidia few, single or in 

 small clusters or lines, short, with a narrow, delicate, many- 

 lobed border: spores subglobose or oval, somewhat angular, 

 smooth or obscurely roughened, 15-21 by 21-27 /*. III. Spots 



13 



