﻿71 



(Uredo.) 



linearis, Pers. On wheat stalks. Cincinnati, June 30, 



1841. 

 segetum, Pers. On wheat, very abundant. Cincinnati, 



June 3, 1840. 

 Potentillffi, Dec. On Potentilla canadensis. Cincinnati, 



May 7, 1842. 

 Candida, Pers. Cincinnati. 

 Cronartium. 



asclepiadeum, Kze. var. Thesii, Berk. Cincinnati.' 



iEciDIUM. 



Epilobii, Dec. On Isnardia alternifolia. Cincinnati, 



June 20, 1839. 

 compositarum, Mart. 

 Euphorbise, Pers. 



podophyllatum, Schwein. Cincinnati, 

 cimicifugatum, Schwein. Cincinnati. 



SCORIAS. 



spongiosa, Fr. On the ground, in woods. Cincinnati, 

 Dec. 9, 1841. 



TUBERCULARIA. 



vulgaris, Tode. Cincinnati. 



FuSARIUM. 



lateritium, Nees. On Beech. Cincinnati, April 14, 

 1841. 

 Cladosporium. 



herbarum, Lk. On dead Tomato stems. Cincinnati, 

 Jan. 25, 1842. 

 Macrosporium. 



pinguedinis. Berk, On grass soiled with fat. Cincin- 

 nati, June 19, 1841.^ 



' C. ASCLEPIADEUM Kze. var. Thesii; maculisobliteratis; tuberculis parvis 

 f?parsis ; sporis subglobosis ; peiidiis elongatis, incurvatis, extus miniitissime ra- 



mentaceis. Berk, in Hook. Lond. Journ., vo[. iv. p. 311. On Thesium um- 



bellatum, generally scattered, not aggregate, as in the original species, where 

 they seem to be usually confined to a determinate spot. Peridia more minute; 

 cells of the peridium longer; spores not so much elongated. 



^ Macrospohium pinguedinis : latissime effusum, lloccis tenuibus, erectis, 

 simplicibus, septatis; sporis lanceolatis, quandoque obovato-obiongis. Berk, in 

 Hook. Lond. Journ., vol. iv. p. 309, tab. 12, fig. 2. Completely investing tho 



