Additional Species. 175 
400. Septoria astericola, Ell. & Evht. 
On Aster sagittifolius, Willd. Racine. 
401. Septoria atropurpurea, Peck. 
Cn Aster macrophyllus , L. Racine. 
402. Septoria aitrea, E. & E. 
On Ribes aureum , Pursh. (cult.) Racine. 
402 a. Septoria betul^e, (Lib.) West. 
On Betula papyrifera, Marsh. Three Lakes. 
403. Septoria campanula, (Lev.) Ellis. 
On Campanula Americana , L. Madison. (Sey¬ 
mour. ) Kenosha county. 
404. Septoria canadensis, Ell. & Davis. 
On Solidago Canadensis , L. Racine and Sharon. 
405. Septoria caricinella, Sacc. & Roum. 
On Carex cephaloidea , Boott and Carex , sp. Ra¬ 
cine. Not scarce. 
406. Septoria cerastii, Rob. & Desm. 
On Cerastium , sp. Lake Geneva. Racine. 
407. Septoria cirsii, Niessi. 
On Cnicus arvensis , Hoffm. Racine. Rather 
common and abundant. 
408. Septoria conspicua, Ell. & Martin. 
On Steironema ciliatum, Raf. Racine. Common 
and abundant. 
409. Septoria cornicola, Desm. 
On Cornus sericea, L. Madison. (Seymour.) On 
Cornus cdternifolia , L., and C. paniculata , L’Her. 
Racine. C. alternifolia , L. Lake Geneva. Com¬ 
mon. 
410. Septoria corylina, Peck. 
On Corylus rostrata ) Ait. Three Lakes. 
411. Septoria crat^gi, Kickx. 
On Crataegus tomentosa , L. Racine. Not com¬ 
mon. 
