A 7itatpiLCcin ia. 1 4 7 



Puccinia gentianae. (Strauss.) 



^cidiospores — Pseudoperidia on circular or elongated brownish 

 spots, flat, with white torn edges. Spores globose, orange, 

 finely verrucose, 16-23 x 14-17/^. 



Uredospores — Sori roundish, scattered or circinating, at first 

 covered by the epidermis, chestnut-brown. Spores elliptical, 

 ovate, or obovate, brown, echinulate, 20-30 x 19-24/A. 



Teleiitosporcs — Sori small, blackish, pulverulent. Spores elliptical 

 or ovate, rounded at both ends, median constriction slight or 

 absent, smooth, thickened above, 28-38 x 20-25/x. Pedicels 

 colourless, delicate, very deciduous. 



Synonyms. 



Puccinia gentiame {^ixavLSs). Winter in Rabh., " Krypt. Flor.," 

 vol. i. p. 205. 



Uredo gentiance, Strauss. " Wetter Ann.," vol. ii. p. 102. 

 W. G. Smith, Gard. C/iron., Sept. 19, 1885, p. 372, fig. 82. 



On Gentiana acaiilis. Kew Gardens. 



Puccinia silenes. Schrot. 



y^cidiospores — Pseudoperidia on pale yellowish spots, in small 

 clusters, small, white, shortly cylindrical, edges torn. Spores 

 subglobose, granular, orange-yellow, 17-26 x 14-20/x. 



Uredospores — Sori brown, roundish, scattered or circinating, often 

 confluent. Spores roundish or elliptical, pale brown, echinu- 

 late, 20-26 X I7-2 0yU,. 



Teleutospores—^ox\ small, pulverulent. Spores elliptical or oblong, 

 very slightly constricted, rounded at both ends, apex slightly 

 thickened, smooth, chestnut-brown, 25-40 X 16-26/x. Pedicels 

 short, deciduous. 



Sytionyms. 



Puccinia silenes, Schrot. Winter in Rabh., "Krypt. Flor.,"' 

 vol. i. p. 215. 



Puccinia lychnidearuvi. Fckl, " Symb.," p. 50, pro parte. 



Puccinia sile?ies, Rabh. Cooke, " Micro. Fungi," 4th edit., 

 p. 211. 



On Silene inflata. 



