Ohio Fungi Exsiccati. 137 



4. Cintractia sorghi (Link) 



Sporisoriuni sorghi Link. Ustilago sorghi (Lk. ) Pass. 



On cultivated Sorghum (Sorghum vulgare Pers.) 



Cohmibus, Ohio. September 15, 1900. 



Coll. F. J. Tyler and O. E. Jennings. 



" Sporisoriuni sorghi. Sp. acervis ovalibus, sporidiis globosis 

 nigris germinum. 



" Diagn. Siibstantia farinosa genninuin Sorghi vulgaris pri- 

 inuni rimis variis separatur ita ut seniina hient. Turn sporidia 

 oriuntur, usque duni tota compages interior germinis in sporidia 

 dilapsa sit. Excrescunt quoque gluniae in apicibus ramulorurn 

 paniculae, sporidia et partes floris niutilas contineutes. Sub micro- 

 scopio coniposito acervi compacti conspiciuntur, aqua adfusa non 

 diffluentes, e quibus flocci simpHces aut semel ramosi exeunt tenues 

 septati, pauci tantum e singulo acervo. Sporidia conipressis acervis 

 iu conspectum prodeunt exacte globosa sat magna, minora majori- 

 bus intermixta." H. F. Link in Linne Species Plantarum, 

 6^:86. 



5. Cintractia sorghi (Link) 



Sporisoriuni sorghi Link. Ustilago .sorghi (Lk.) Pass. 



On cultivated Sorghum (Sorghum vulgare Pers.) 



Columbus, Ohio. November 10, 1900. 



Coll. W. A. Kellerman. 



Supplement to No. 4. 

 Obtained by inoculating the Sorghum seed with smut spores. 



6. Cintractia sorghi (Link) 



Sporisoriuni sorghi Link. Ustilago sorghi (Lk. ) Pass. 



On cultivated Broom Corn (Sorghum vulgare Pers.) 



Columbus, Ohio. November 21, 1901. 



Coll. W. A. Kellerman. 



Supplement to No. 4. 



7. Cintractia sorghi (Link) 



Spori.sorium sorghi Link. Ustilago sorghi (Lk.) Pass. 



On cultivated Broom Corn (Sorghum vulgare Pers.) 



Columbus, Ohio. November 21, 1901. 



Supplement to No. 4. 

 Obtained by inoculating the Broom Corn seed with the Sorghum 

 smut. 



