Explanation of Plates. 



PLATE XXXIX. 



(All aecidia X 50, and aecidio scores X 300.) 



AECIDIUM. 

 Fig. 



287. A. veronicae on Veronica sp. 



288. A. $lantaginis-variae on Plan fa go varia. 



289. A. lobeliae Thuem., on Lobelia pratioides, described in connexion with Pttccinia 



aucta. The free margin ruptures irregularly, and it is sometimes difficult to 

 detect a peridial wall, so that it partakes of the nature of a Caeoma. 



290. A. cymbonoti on Cymbonotus lawsonianus. 



291. A. monocystis on Abrotanella forsterioides. 



292. A. vittadiniae on Vittadinia australis. 



293. A. soleniiforme en Goodia loti folia. 



294. A. deeringiae on Deeringia celosioides. 



295. A. calttiae on Caltha introloba. 



296. A. ranunculacearum on Ranunculus rivularis. 



297. Aecidium of Uromyces *politus on leaves of Muehlenbeckia cunningnami a. 



nat. size, b. aecidial tubes X 5. 



298. Aecidiospores of same(X 300) and pseudoperidial cells (X 150). 



