216 1KCR0SC0PIC FUNGI. 



Uredo Caryophyllacearum, Johnst. StitchwortUredo; 

 spots yellowish; sorisubglobose, scattered and aggregate, minute, 

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

 length yellow. — On various Caryophyllacea. Autumn. 



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

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

 slightly prominent, scattered, solitary or agglomerated into minute 

 patche's, surrounded by the ruptured epidermis ; spores subglo- 

 bose, pellucid, not cohering. — On Oak-leaves. September. Not 

 common. 



Uredo porphyrogenita, Kze. Bird-cherry Uredo ; 

 spots purplish ; sori subrotund, small, aggregate, hypogenous ; 

 epidermis at length ruptured ; spores cohereut, subglobose. — On 

 leaves of Primus Padus. Scotland, 1863. (Rev. 31. 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 Vaccinium Myrtillus and V. vitis-id&a. 

 Scotland. 



Uredo confluens. DC. Mercury Uredo ; on the under 

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

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

 annua. May, June. " Common. (Plate VII. figs. 133, 134.) 



Uredo Orchidis, Mart. Orchis Uredo ; amphigenous ; 

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

 confluent ; sporidia subglobose, golden-yellow.— On Listera ovata 

 and Orchis latifolia. Crosby, near Liverpool. May, June, 1865. 

 (Pi. G. Mcleod.) 



Uredo Euonymi, Mart. Spindle Uredo ; spots yellow- 

 ish ; sori roundish, circinating, often confluent ; epidermis erum- 

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

 leaves of Euonytnus Europceus. Darenth Wood, Kent. August, 

 1864. 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 Llanderlel, 

 N.Wales. May, 1865. 



Uredo Tropseoli. Desmz. Nasturtium Uredo; hypo* 

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



