218 MICEOSCOPIC EDNGI. 



sori rounded or effused, reddish-orange ; pseudo-spores sub- 

 globose, bright orange. — On Wild Rose leaves. 



Coleosporium Campauulse, L6v. Campanula K,ust ; 

 spots obliterated, brown on the opposite side ; sori irregular, con- 

 fluent, plane, on the under surface ; spores subglobose, cohering, 

 yellow, at length pale. — On leaves of various Campanula. Sep- 

 tember and October. 



Coleosporium Sonchi-arvensls, L^v. Sow-thistle 

 Rust ; on the under surface, depressed, irregular in form, scat- 

 tered, partially confluent; spores ovate, reddish-orange. — On 

 Sonchus oleraceus and arvemis. Summer. Common. (Plate 

 Vlll. figs. 178, 179.) 



Coleosporium Ehinanthacearum, L6v. Cow-tvheat 

 Rust ; spots none or subferruginous ; son irregular, confluent, 

 on the under, rarely on both surfaces ; spores subglobose, com- 

 pact, golden-yellow. — On Euphrasia officinalis, BarUia Odontites, 

 Melampyrum arvhnse, &c. August and September. Common. 

 (Plate Vm. figs. 176. 177.) 



Coleosporium Cacalise, DC. On the under surface; 

 sori small, numerous, orbicular, plane, soon covering the whole 

 under surface : pseudo-spores ovoid, deep- yellow.— On leaves of 

 Cacalin: Bath. (ifeo. /. J'. Vize^ 



Coleosporium Senecionis, Er. Gboundsel Rust; 

 spots obliterated ; sori solitary or regularly crowded, subrotund 

 or oval, on the under surface, surrounded by the raptured epi- 

 dermis ; spores subglobose when free, orange. — On various species 

 of Groundsel. (Plate Vll. figs. 145, 146.) 



Coleosporiura ochraoeum, Fckl. Ageimont Rust ; 

 hypophyllous; sori ochraceous, usually confluent, occupying the 

 whole urder surface, pulverulent; pseudo-spores subglobose, 

 ocbrey-jriUow ; epispore minutely rough. — On Agrimonia Hupa- 

 toria. 



Coleosnorium. Symphyti, Fckl. Comfkey Rust; sori 

 minute, very numerous, scattered, roundish, tlien confluent ; epi- 

 dermis ruptured, scarcely conspicuous round the margih ; pseudo- 

 spores subglobose, pallid orange.— On Comfrey. 



