322 The Scottish Naturalist. 



Genus VII. Melampsora Castagne. 

 Subgenus I., Eumelampsora. 



(Teleutospores isolated, formed outside the epidermal cells of 

 the host-plant.) 



in. M. Helioscopiae (Pers.). On Euphorbia Helioscopia I 

 Summer — Autumn ! 



IE. (Uredo Helioscopice Pers., in Greville's Flor. Edin. 

 P- 44°)- 



III. {Mel. Euphorbia Castagne, M.S., 1300). 

 Forth, Tay, Dee ! 



112. M. Lini (Pers.). On Linum catharticum / Summer — 

 Autumn ! 



II. (= Uredo Lini D.C., in Greville's Flor. Edin. = Lecythea 

 Lini Berk., M.S., 1311). 



Tweed, Forth ! Clyde ! Tay ! Dee ! Moray ! Orkney ! 

 The Uredospores are of very frequent occurrence j but the 

 teleutospores are seldom seen. 



113. M. farinosa (Pers.). On Salix Capreal S. cinerea 1 and 

 S. aurita ! 



II. (Uredo farinosa Pers., in Greville's Flor. Edin. p. 

 457, = Lecythea saliceti Lev., M.S., 1309, p.p.). June — 



September ! 



III. Me lampsor a salicina Lev., M.S. 1304+ p.p.). Autumn 

 — Winter ! 



Tweed, Forth ! Clyde ! Tay ! Argyle ! Dee ! Moray ! 



Orkney ! 



114. *M. epitea (K. & S.). On *Salix viminalis) 



II. ( = Lecythea epitea Lev.) August — October. 

 Dee ! (near Aberdeen !) 

 I have not observed the teleutospores ; so there may be doubt 

 as to this species, the uredo of the species of Melampsora on 

 willows being so much alike. 



115. M. mixta (Schl.). On Salix purpurea. 



II. (? Lecythea mixta Lev., M.S., 1308,^.^.) Summer — 

 Autumn. 



Tay ! Dee ! (near Aberdeen.) 



11 6. M. vitelline (D.C.). On Salix pentandral S.fragilisl 

 S. vitellina. 



II. (Uredo vitellina', D.C., in Greville's Flor. Edin., p. 



