218 MICROSCOPIC FUNGI. 



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

 globose, bright' orange. — On Wild Rose leaves. 



Coleosporium CampaiiTilse, Lev. Campanula Rust; 



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

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

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

 tember and October. 



Coleosporium Sonchi-arvensis, Lev. Sow-thistle 

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

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

 Sonchus oleraceua and arvemis. Summer. Common. (Plate 

 Vill. figs. 178, 179.) 



Coleosporium Rhinanthacearum., Lev. Cg^v-^vheat 

 Rust ; spots none or subt'enuginous ; sori irregular, confluent, 

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

 pact, golden-yellow. — On Euphrasia officinalis, Bartsia Odontites^ 

 Zlelampvrum arvense, &c. August and September. Common. 

 (Plate VIII. 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 

 Cacalia. Bath. {Rev. J. E. Flze.) 



Coleosporium Senecionis, Fr. Grou>:dsel Rust ; 

 spots obliterated; sori solitary or regularly crowded, subrotuncl 

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

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

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



Coleosporium. ochraceum., Fcld. Agrimony Rust x. 

 hypophyllous; sori ochraceous, usually confluent, occupying the 

 whole under surface, pulverulent; p?eudo-spores_ subglobose, 

 ochrey-yellow ; epispore minutely rough. — On Agrimonia Eupa- 

 toria. 



Coleosporium Symphyti, Fckl. Comfrey Rust; sori 

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

 dermis ruptured, scarcely conspicuous round the margin ; pseudo' 

 spores subglobose, pallid orange. — On Comfrey. 



