216 MICROSCOPIC FUNGI. 



Uredo Csryophyllacearum, Johnsf. STiTcmroETlJEEDo; 

 spots \ello\vish; sori subgiobo^e, scattered and aggregate, minute, 

 generally on the under surlace ; epidermis closed ; spores oval, at 

 length yellow. — On various Caryophyllacea. Autumn. 



Uredo Quercus, Brond. Oak-leaf Uredo ; on the under 

 surface ; son yellow, then orange, minute, ovate, and orbicular, 

 slightly prominent, scattered, solitary or agglomerated into minute 

 patches, surrounded by the ruotured epidermis ; spores subglo- 

 bose, pellucid, not cohering. — On Oak-leaves. September. Is'ot 

 common. 



Uredo porphyrogenita, Kze. BiED-CHEiitiY Uredo ; 

 spots purplisii ; sori subrotund, small, aggregate, hypogeuous ; 

 epidermis at length ruptured ; spnres coherent, subglobose. — On 

 leaves of Prunus Fadus. Scotland, 1S63. (Rev.M. J. Berkeley.) 



Uredo Vacciniorum, P. Bilberry Uredo; spots yellow- 

 brown ; sori subrotund, minute, aggregate, and scattered, on the 

 under surface of the leaves ; epidermis seldom ruptured ; spores 

 ovoid, yellowish. — On Faccinium Myrtillus and V. vitis-id(sa. 

 Scotland. 



Uredo conjaiueiis, DC. Mercury Uredo ; on the under 

 surface, depressed, yellow, oblong, concentric, at length con- 

 fluent ; spores nearly oval. — On Mercurialis perernns and M. 

 annua. May, June. Common. (Plate Vll. figs. 133, 131:.) 



Uredo Orchidis, Mart. Orchis Uredo ; amphigenous ; 

 spots reddish- brown ; sori subrotund, arranged in circles, often 

 conPiuenf ; sporidia subglobose, golden-yellow.— On Listem omita 

 and Orchis latifulia. Crosbv, near Liverpool. May, June, 1865. 

 {B. G. Mcleod.) 



Uredo Euonymi, Mart. Spindle Uredo ; spots yellow- 

 ish ; son roundish, cu-cinating, often conauent ; epidermis erum- 

 peut ; sporidia ovoid and slightly coherent, tawny-yellow.— On 

 leaves of Euonymus Europa>iis. Darenth Wood, Kent. August, 

 IS6i. Rare. 



Uredo Empetri, DC Crowberry Uredo ; hypogenous ; 

 spots obliterated ; sori oval, scattered ; the epidermis at first 

 convex, afterwards ruptured and concave ; sporidia ovoid or sub- 

 globose, bright yellow, — On Empetrum nigrum. Near Llanderfel, 

 N. Vv ales. May, 1S65. 



Uredo Tropseoli, Desmz. NASTURTimi Uredo; hypo- 

 genous ; spots pale-yeiiow ; sori minute, roundish, scattered or 



